VIJAYAPRASAD.C/ ABB INDIA LTD – 16.12.2016 , 2nd Work Shop at HINDALCO , HIRAKUD ABB India - High Power Rectifiers in Aluminum

© ABB Group December 16, 2016 | Slide 1 © ABB Group - 2 - 16-Dec-16 ABBIndia in Aluminium n n n n n n ABB CH some reference Projects ABB CHsomereference Aluminum Projects Executed ABB IndiaRectifiersinAluminumSmelters Efficiencies Achieving Highin RectifierSystems Capabilities inRectifiers Introduction © ABB Group - 3 - 16-Dec-16 Rectifiers High Power oe Electronics Power Advanced Systems Static Excitation Power Electronics Global Organization Global Electronics Power Power Electronics Global Organization Global Electronics Power S. Giovanni Italy-Sesto New Berlin USA Osasco Osasco Brazil Brazil Canada/USA Canada/USA St. Laurent St. Laurent Switzerland Switzerland Switzerland Turgi Turgi Turgi South AfricaSouth AfricaSouth Randhart Randhart Poland Poland Lodz Lodz Bangalore Bangalore India India Responsible Unit Responsible Engg Center Lead Center (Bangalore) Product Local Australia Australia Lilydale Lilydale © ABB Group - 4 - 16-Dec-16 & HT Capacitors & HT ABB Operations Bangalore Drives, Motors, Electronics, LT LTMachines , Power Paper, Minerals, Marine Bangalore manufacturing Automotive & industries Robotics, 3000 employees Platform & Enterprise Products Control Low-Voltage Products Construction Chemical & Petroleum, Industries © ABB Group - 5 - 16-Dec-16 n n n n n n n Capabilities inRectifier Systemssince 1991 Rectifier Systems. Servicing &AMCof RectifierSystem. Retrofitting and RevampingRectifierJobs. Design, Engineering Manufacturing, HarmonicFilters. Manufacturing Thyristor and DiodeRectifiers. Designing plant layoutandexecution. Design, Engineering Thyristor andDiode Installation and Commissioning. © ABB Group - 6 - 16-Dec-16 II. Operating pointsfor theTransformer: the squareofcurrent. better efficiency, Rectifier ofthelossesin are proportional as themost to Operating theRectifier at loadslower thantheRatedcapacity willdeliver I. OperatingPointforRectifierachievingbetterEfficiency: Rectiformers Constant Efficiency Improvements inABB B. A. are smallhenceignored) ]isequal fixedcore loss(Pc). to the loss [I^2.R (stray losses Maximumwhen thevariable ohmic In a TransformerIn iftheloadcurrent iskeptconstant, then the At aSpecifiedvalue ofloadpower factor,theefficiency willbe maximum efficiency occurs unity powerat factor. © ABB Group - 7 - Efficiency

16-Dec-16 97.700% 97.720% 97.740% 97.760% 97.780% 97.800% 97.820% 97.840% 97.860% 97.880% 97.900% n n n High EfficiencyConcept 0.0% V. EfficiencyCurves ofTransformer and Rectifier(Typical). level. achieved whenthe Saturable reactor isoperated its saturation close to is similartofiringangle control inThyristorplant. Best efficiency willbe IV. DiodePlant: aspossiblei.e(Shiftingangle asminimum ofefficiencycurve). selected tap (OCTC)the operating shall beclose to point tokeepfiring Efficiency willbe increased close as weto UPF go bigger fining angle whichimplies lesspowerfactor andmore harmonics. III. ThyristorPlant: 97.770% 97.770% 97.770% 20.0% 97.865% 97.840% 97.831% Fine control of voltagebySaturable reactor ( Transductor) Operating atlower loads[ 40.0% 97.860% 97.835% 97.825% % Load 60.0% 97.827% 97.810% 97.783% 80.0% I and [ II(B)] Rect.Efficiency Transformer Effi.8pf Transformer Efficiency atUPF II (A) II 97.733% 97.786% 100.0% 97.780% above] implies hence the 120.0% © ABB Group - 8 - 16-Dec-16 Reason forHigher Voltages Transformer) perMillion TonReduction of Losses (Rectifier and © ABB Group - 9 - 16-Dec-16 § § § § § § § § § Green Field Rectifier Projects In Aluminum In Projects Rectifier Green Field Vedanta, Jharsguda 4x 380 kA 1560 Vedanta, V Jharsguda 4x 380kA Balco, Korba1x 380kA1560V2013 Hindalco, 600 V2014 Hirakud 4x90 kA Vedanta, Jharsuguda 2x 350 kA 1380 Vedanta, V Jharsuguda 2x 350kA INALUM, Indonesia Hindalco, Hirakud 2x 90 kA 850 V 2x 90kA850 Hindalco, Hirakud Hindalco, Renukoot 2x 66 kA 850 V 1993 Hindalco, 2x 66kA 850V Renukoot Hindalco, 2000 Renukoot 3x(2x70)kA900 V Balco, Korba 1x45800 V kA 1x 350 2003 kA 1300 V 2008 2007 2006 2005 © ABB Group - 10 - 16-Dec-16 § § § § § In Aluminum Retrofit Hindalco, Renukoot in Renukoot 2012. Hindalco, of to Latest Revamp AC 800PECinPL#8at BHEL systemControl in 2013. Renukoot PL#7 atHindalco, to Latest of SystemABB Analog AC 800PECin Control Revamp 800Vin2014-15. 6x45kA, Indonesia- of PL#2atINALUM, controls & Rectifiers ofToshiba Replacement in 2016. & efficiency thereliabilityof PL#3 atINALUM,Indonesiatoincrease of systemwith ABB CoolingSystemReplacement Cooling Toshiba in2013-16. Hirakud 900VatHindalco, 850Vto2x 2x 5x22kA, 3 x55kA, Converting - Revamp RectifierProjects Executed © ABB Group - 11 - n

16-Dec-16 1995 2X66KA/850V DC – 1. Hindalco, Renukoot – GREEN FIELDPROJECTS Scope of supply : n n n n n n n n n CIoaos–40KA/1500VDC DC Isolators – Common trip andDCmeteringpanels Local Control2 Panels ,1Master controlpanelandSCADA Cooling units. Total24 Pulsesystem 2 x66KA/850 V DCThyristor Rectifiers , 12pulsewith DMWater . from ABBItaly Transformers – 7.5deg Rectifier 2 x(X37.15 )MVA132 KV , / 796-804 V, +/- Related Switchyard. 132 KVCT’s /PT’s 6Breakers SF- Incoming Incoming Isolators 132 KVAC for main and standbyBus © ABB Group - 12 - 16-Dec-16 Scope of supply : 2000-03 2. Hindalco,Renukoot n n n n n n n n oln o9–11 potline No 9– 2 Local Control2 Local Panels ,1Master controlpanel Cooling units. 24 pulsesystem. Total 2 x70KA/900VDC,12pulse each Diode Rectifiers with DMWater . fromABBItaly Transformer – 7.5deg Rectifier 3 X(2x(236.78 MVA)) ,72.5 KV/743 V ,+/- fromABBIndia. Regulating Transformers– 3 X(2x 71.4 MVA ),132 KV /72.5 KV, 3 OCTC ,and17OLTC’s 132 KVCT’s /PT’sandrelated switchyard . Breakers 6 SF- Incoming Incoming 132 KV AC Isolators Incoming 132 KVAC for Total OrderforRectifier System for main andstandbyBus – 3 X( 2 X70KA /900 ) VDC – © ABB Group - 13 - 16-Dec-16 n idlo euot–3X( 2 X70 KA /900 )VDC( contd) Hindalco, Renukoot – Special features features : Special n n n n n n monitoring and Controlpurposes system Filters on132KV.and 11thHarmonic 5thFilters foreachRectifier PSR2introduced first timeinIndia. Control platform – DC Isolators – 80 KA / 1500 VDC 80KA/ DC Isolators – ABB Micro SCADAforsupervision, Common trip andDCmetering panels Control2 Local Panels ,1Master controlpanel © ABB Group - 14 - 16-Dec-16 n .BLO,Kra–350KA/ 1300 V DC 2004-05 3. BALCO, Korba – Scope ofsupply: n n n n n n n euaigTasomr–fromABBTurkey Regulating Transformers– 69.47(25) 220 KV/ KV,107 tapscontinuous, and construction Rectifier of Building. Rectifier System including Civil Engineering Common trip andDCmeteringpanels Local and 5 remote Control Panels ,1Master control panel units. 5 Nos87.5KA1300 / V DCDiodeRectifiers DM withCooling Water 12 deg on220 KV Network 6deg,+/- Total 60pulsewith 0,+/- Rectifier Transformer5 Nos(2x67.58)MVA fromItaly. o 3 V 3MA(4 V tertiary), 5 Nos137MVA /137MVA (40MVA - Complete Engineering of 350KA/1300DC V © ABB Group - 15 - 16-Dec-16 AC ob 350KA/ 1300 V DC (contd) BALCO, Korba - n n n ABB Micro SCADA for monitoring ABB MicroSCADA formonitoring and Controlpurposes LKP400onTotalising Bus DC Measuring System – VDC 100KA/1500 DC Isolators– © ABB Group - 16 - 16-Dec-16 n AC ob 350KA/ 1300 V DC (contd) BALCO, Korba - Special Features : Special n n n ( FiltersinBALCO’sscope supplied by othervendor) Compensation provided 24MVAR in5thand7thFilters Filters connected on 25KVtertiarywindingofRegulating Transformer. Potline ABB India’s first 350KA/1300VDC © ABB Group - 17 - 16-Dec-16 n .Hnac,Hrkd 0K 5 C 2006 2X90KA/850V DC- 4. Hindalco, Hirakud – Scope ofsupply : n n n n n n n n n n rnfres,17tp LCcniiu fromABBIndia Transformers , 107tapsOLTCcontinious – ABB Micro SCADA for monitoring ABB MicroSCADA formonitoring and Controlpurposes VDC 100KA/1500 DC Isolators– Common trip andDCmeteringpanel Local Control Panels,1 2 Mastercontrol panel Cooling units .Total 24pulsesystem on 132 KV Network . 2 x90KA/850 V DC,12PulseDiode Rectifiers with DM Water 7.5degphaseshift. Italy, +/- , 73KV/714VRectifier 2 x(X45.45 )MVATransformer from ABB 76MA,12K 5K 81.11KVRegulating 2 x97.6MVA ,132 KV /45– 132 KVCT’s /PT’s Breakers 6 SF- 132 KVIncoming 132 KVACIsolatorsfor main andstandby Bus © ABB Group - 18 - 16-Dec-16 n idlo iau –2X90KA/850VDC(contd) Hindalco, Hirakud – Special Features: n n n n n n n Rectifier Out put 850 VDC. purposes Total OrderforSwitchyard ,Harmonic Filter andRectifier System. Totalising DCCT LKP100andmeasuring system installation done atsite. special caseTotalisingAs a Busbars supplied welding and and and successfully commissioned. First time ABB Indiaused AC 800PECcontrollerasacontrol platform 132 KV direct input Regulating 132 KV to Transformer and ABB Micro SCADA for monitoring ABB MicroSCADAformonitoring andControl VDC 100KA/1500 DC Isolators– © ABB Group - 19 - 16-Dec-16 .Vdna hruua–2X350KA/1380 VDC2008-9 5. Vedanta, Jharsuguda – n Scope ofsupplyforeachpotline : n n n n n n ihs CVlae–1380VDC . Highest DC Voltage – – Common trip andDCmeteringpanels Local and 5 remote Control Panels ,1Master control panel ABBIndia units – 5 Nos87.5KA1380 / V DCDiodeRectifiers DM withCooling Water from ChalicoChina , 56.6KV/1180 5 Nos2x436.5)MVA V RectifierTransformer - Chalico China from 146 MVA, 220KV/56.6Regulating 5 Nos Transformers– 2 X(5x87.5KA ) /1380VDC potline for 550K Tons /Anum © ABB Group - 20 - 16-Dec-16 eat,Jasgd 2X350KA/1380 VDC(contd) Vedanta, Jharsuguda – n n ABB Micro SCADA for monitoring SCADA formonitoring ABB Microand Controlpurposes DC Measuring System UnitDC measurement 45 by FOCS © ABB Group - 21 - 16-Dec-16 n eat,Jasgd 2X350KA/1380 VDC Vedanta, Jharsuguda – Special Features : Special n n n n n n and Rectifier Out put,1380 V DC. 7th and11th Harmonic on each , 3x9MVAR Transformer. Harmonic Filters on Tertiary windingEach Filertuned 20KV. for 5th, DC measuring unit FOCS 45and Totalising FOCS 400 First time ABB India using AC 800PECforcontrolling First timeABB IndiaRectifiers are integrated 220 KVdirectinputtoRegulating Transformer with ChineseTransformers. 5 unitswith oneMaster . © ABB Group - 22 - 16-Dec-16 n .Vdna hruua–4X380KA/1560VDC 6. Vedanta, Jharsuguda – Scope ofsupplyforeachpotline : n n n n n n ihD ae oln nt ABBIndia ,12Pulse DM withCooling Water units – Common trip andDCmeteringpanels Local and 6 remote Control Panels ,1Master control panel 6 Nos.76KA/1560 V DCDiode Rectifiers 6 Nos.4x35.66 MVA ,56.65KV/ 1328 V 6 Nos.142.6 MVA220 KV , /56 KV,Regulating Biggest Potline in India x 300KTons /Anum , 4 etfe rnfre fromChalicoChina Rectifier Transformer - rnfres fromChalico China Transformers– © ABB Group - 23 - 16-Dec-16 eat,Jasgd 4X380KA/1560VDC(contd)7 Vedanta, Jharsuguda – n n n DC Isolators – 45 KA / 2000 VDC 45KA/ DC Isolators – ABB MicroSCADA formonitoring and Controlpurposes DC Measuring System UnitDC measurement 45 by FOCS © ABB Group - 24 - 16-Dec-16 .eat,Jasgd 8K 50VD 08 11 4X380KA / 1560V DC 2008- 7.Vedanta, Jharsuguda – n Special Features : Special n n n n control . control panelsand supervision overall SCADAfor , monitoring and Control Platform AC800PEC. Master communicating withLocal 6 Transformer tertiary. 7th and11th Harmonic . Compensation on each 3 x9MVAR Harmonic Filters on Tertiary windingEach Filertuned 20KV. for 5th , 400 DC measuring unit FOCS 45andTotalisingDC measurementFOCS 12.5deg 7.5 deg,+/- 2.5deg,+/- Total system72Pulse Transformerswith oriented to +/- © ABB Group - 25 - 16-Dec-16 1. Hindalco2x3x55kA,900 V2013-15 RETROFIT PROJECTS control. DCS800 technology inPremagnetization Panel forsmoothcurrent 2x5x22kA, 850 V wasupgraded to 2x3x55kA, 900 V usinglatest © ABB Group - 26 -

16-Dec-16 2016 PL#3, COOLINGSYSTEM- 2.INALUM § system. one, which lead toincreaseinReliability & efficiency of thewhole left picturedepicts The the earlierstage the right oneisthemodified © ABB Group - 27 - 16-Dec-16 3. INALUMPL#2, 6X45KA,800 V2014-15 with Reliability more & emergency Control Options. DCS800 wasintroduced in place ofFCOGcardsinPremagnetization Panel lead toincrease in thecapacityfrom 35kA kA. Theto 45newtechnology of depicts left Thethe earlier stage therightoneismodified one, which © ABB Group - 28 - 16-Dec-16 4. INALUM, SWING UNITSU23&122009-11 4. INALUM, future expansion ,Maintenance &Shutdown. increase the reliability of thethreePotlinesinperspective Load Balancing, of The TwoSwing Units12&23of45kA were proposed & madefunctional to © ABB Group - 29 - 16-Dec-16 ABBCH Aluminum Projects References © ABB Group - 30 - Kitimtat, Rio TintoAluminum Smelter,Canada Aluminum Reference HighPower Rectifiers- December 16, 2016 | Slide 30 |Slide 2016 16, December Group© ABB

16-Dec-16 2015 June operation since Smelter is in § Customer benefits § § § § § Key requirements ABB solution efficiency and good powerquality Reliable and safe DC power withhigh 3 x90kA&42Vdc loop rectifiers filters 5 x85 MVAr systems 5 x105kA&1650Vdc diode rectiformer at 405kAand1750Vdc smelter consisted 384 potsoperated of modernisation The of 60-year-old © ABB Group - 31 - 16-Dec-16 ABB CH’s MajorUnitRatingReferences § § § § § § § § § § Dunkerque, Alma 1+2, Hillside 3, Alouette 2, Sunndal, SU4, 72kA, 1580VDC Alba PL4-PL5 Swing unit, Dubal Sohar Oman, Kitimat Qatalum 100kA, 1200VDC 100kA, 100kA, 680VDC 100kA, 89/103kA, 1320VDC 89/103kA, 69kA, 1500VDC 69kA, 50 kA, 1500VDC 50 103/113kA,1650VDC 105kA, 1650VDC 105kA, 87/103kA, 1200VDC 87/103kA, 85kA, 1750VDC 85kA, © ABB Group - 32 - December 16, 2016 | Slide 32 |Slide 2016 16, December Group© ABB December 2012 since operation § 16-Dec-16 Pot line 1 in a lKarAluminum,KingdomofSaudiArabia AlKhair Ras Reference Power Control, HighPower Rectifiers § § Customer benefits § § § § Key requirements Electric Grid Code) SEC gridcodecompliance (Saudi efficiency and better power quality Reliable and safe DC power withhigher 2 x 5 x 85MVAr filters systems rectiformer 2 x5105kA & 1750Vdc diode ABB solution each with360 pots;420kA and 1750Vdc potlines DC power fortwo aluminum © ABB Group - 33 - totalsystem Typical modernRectiformer Substation Configuration The Rectiformer December 16, 2016 | Slide 33 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § Start of operation: Start of September 2009 Technology: Hydro Aluminium Capacity: 352pots,340 kA /1750VDC Co.L.L.C,Qatar Plant: Qatalum § § § 220 kV GIS. 220 kV 33kV/Potline 5 Harmonic filters of 65Mvar unitsof 85 kA,1750Vdc/Potline 5 Rectiformer © ABB Group - 34 - «ETI Aluminyum» smelterproject Aluminium December 16, 2016 | Slide 34 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: Technology: Capacity: Project: Client: § branches connected to33.25kVbus distributed various tuned harmonicfilters into Mvar 100 design collector busbar DC 110 kA / 450VDC diode rectiformers 33.25 kVindoor switchgearsGIS 380 /33.25kVstep-down transformers incoming380 kV AIS Switchgears calculation. design, Overall DC powerstudies and performance system switchgears andthe forsupervising the rectiformers MicroSCADA on ABB’sproven FOCS technology Level 1and2automation basedon PECABB and Rectifier Rectifier measurementand potline DC current system based April 2014 April 2012 November SAMI / 330kA 92 pots 450 VDC of ModernisationSmelter Holding) Cengiz (Unit of Turkey. A.S. Aluminum ETI © ABB Group - 35 - smelter project Aluminium December 16, 2016 | Slide 35 |Slide 2016 16, December Group© ABB 16-Dec-16 2Crowbar System «Nordural» Potline § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture, site, delivery to Scope ofsupplywith Orkuvirki: Start ofoperation: Aluminiumwerke, Vereinigte Award ofcontract: : Consultant Technology: Capacity: Project: Client: Complete cabling Completeinstallation cabling and system upgrade and crowbar for RT25 collector DC busbar Micro SCADA system upgrade Local control and mastercontrol system upgrade diode One 250kA crowbar Crowbar system to override power swings November 2013 November July 2012 Germany phase) to 180,000 t/yin (increased 3 kA = 90,000t/y 120 pots195 oln 2:180pots,4 Potline 2 Potline Iceland hf,Reykjavik, Nordural th phase rd © ABB Group - 36 - December 16, 2016 | Slide 36 |Slide 2016 16, December Group© ABB 16-Dec-16 lmnu smelter project Aluminium Nrua»Ptie2RT 25 «Nordural» Potline § § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture,site, delivery to Scope ofsupplywith Orkuvirki: Start ofoperation: Aluminiumwerke, Vereinigte Award ofcontract: : Consultant Technology: Capacity: Project: Client: Complete cabling Completeinstallation cabling and system Power factor correction and harmonicfilter equipment Micro SCADA system Local control control upgrade and mastersystem 1500VDC 65kA, Thyristor One Rectiformers with Switchsync Regulation One 220kV Tr 245 kVswitchyard extension November 2013 November July 2012 Germany phase) to 180,000 t/yin (increased 3 kA = 90,000t/y 120 pots195 oln 2:180pots,4 Potline 2 Potline Iceland hf,Reykjavik, Nordural th phase rd © ABB Group - 37 - December 16, 2016 | Slide 37 |Slide 2016 16, December Group© ABB Upgrade» «Alba PL4,Control smelter project Aluminium 16-Dec-16 DC switch monitoring DC switch monitoring system.FOCS 400kA 4 setsof ABB Upgrade of and SCADAHMI system.Installation of ABB’snew system 800PEC suitable control thepotline to 1400VDC.with control seven rectiformer and installation key supply of Turn Scope ofsupply: Start ofOperation: Award ofContract: Consultant: Technology: Capacity: Project: Client: May 2013 2012 July - France Pechiney,AP30 at69kA 1400 VDC to 1400VDC 4Upgrade Potline Bahrain (c), B.S.C. Aluminium Bahrain © ABB Group - 38 - December 16, 2016 | Slide 38 |Slide 2016 16, December Group© ABB PL5PFC» «Eagle Boosters smelter project Aluminium 16-Dec-16 § § § § commissioningcompletion of: and Design, manufacture,erection, site, testing, delivery to Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Project: Client: Civil works Civil Protection andSCADA 11kV Switchgear extension Booster harmonic 2 systems8Mvarfilter December 2012 December May 20112 Tractebel Arab Emirates Dubal, United PFC Boosters 5, number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 39 - PL1and2 AlKhair Ras smelter project Aluminium December 16, 2016 | Slide 39 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Capacity: Project: Client: STSO for Installation for Installation STSOSupervision and Commissioning 110VDC Battery System andDistribution 230kV Surge ArrestersSF 6 forMTA’s Transformer230kV SF 6 Bushings MTA’s Transformer230kV SF 6 Bushings RT’s 230kV Cables Plantand Terminations wide 380kV Upgrade GIS withSA andVT December 2012 December 2011 AP 39 VDC 1750 420 kA 360 pots 1+2 Number Potline Arabia of Saudi Kingdom Aluminium Ma’aden © ABB Group - 40 - upgrades «PL5-6 SBRT-56»andTransformer smelter project Aluminium December 16, 2016 | Slide 40 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Project: Client: Refurbishment 2 Transformersof Upgrade Transformersof 2 132kV Cables,installation material distribution system LV collector DC busbar DC current and voltage metering system ABBFOCS control system Upgrade Master control system Local Upgrade 1 Rectiformers, 65 kA, 1300VDC May 2011 June 2010 SNC, Lavalin Arab Emirates Dubal, United swingunit Rectiformer 5-6, Number Potline Dubai, U.A.E. Co.Ltd. Dubai Aluminium © ABB Group - 41 - «Alma Swing-unit» smelter project Aluminium December 16, 2016 | Slide 41 |Slide 2016 16, December © ABB Group 16-Dec-16 § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Installation & civil work system collector busbar DC 161kV Micro SCADAupgrade control system Masterexisting Integration to rectifier unit 50 kAThyristor 1 x Harmonic filter 1 x161kV GIS bay 2011 June 2010 V / 1320 330 kA Pechiney AP35 unit Swing Alma Canada Quebec, Alma, © ABB Group - 42 - PL1&2» AlKhair «Ras smelter project Aluminium December 16, 2016 | Slide 42 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: : Engineer Technology: Capacity: Project: Client: 2 Power Transformer 110MVA and Distribution SWG MVTransformer Engineered package Detailed civil design bay 400VAC rectiformer distribution in 2controls Level 1andlevel DC measurement 500kA ABB FOCS units 1750VDC105 kA, 10 Rectiformer engineering Collector DC Busbar 34.5 kV PFCbanks 10 of83 Mvar 380kv GIS December 2012 December 2010 April Bechtel AP 39 1750VDC / 420kA 360 pots 4 Number Potline Extension Arabia of Saudi Kingdom Aluminium Ma’aden © ABB Group - 43 - December 16, 2016 | Slide 43 |Slide 2016 16, December Group© ABB Swing-unit» «Alouette smelter project Aluminium 16-Dec-16 § § § § § § § § § Scope ofsupply: Start ofOperation: Award ofContract: Consultant: Technology: Capacity: Project: Client: Installation & civil workInstallationcivil & distribution system voltage DC distribution LV system system top phase 1 &2 DC busbar control system existing Master Integration to rectifier unit 50 kAthyristor 1 x Harmonic filter testing, commissioningcompletion of: and Design, manufacture,erection, site, delivery to 2011 Jan 2010 - V / 1320 330 kA Pechiney AP35 Swingunit Alouette Quebec, Canada Alouette Aluminerie © ABB Group - 44 - December 16, 2016 | Slide 44 |Slide 2016 16, December Group© ABB «Alba PL4,Upgrade» smelter project Aluminium 16-Dec-16 connecting to the existing rectifiers. connecting to the transformersingle housed tank and rectifier in a are 1400VDC.withpot line suitable provide The regulation the to transformer Turn keysupply and installation six rectiformer of Scope ofsupply: Start ofOperation: Award ofContract: Consultant: Technology: Capacity: Project: Client: May 2010 2009 June - France Pechiney,AP30 at69kA 1400 VDC to 1400VDC 4Upgrade Potline Bahrain (c), B.S.C. Aluminium Bahrain © ABB Group - 45 - December 16, 2016 | Slide 45 |Slide 2016 16, December Group© ABB «Eagle BoostersPL5» smelter project Aluminium 16-Dec-16 § § § § § § § § commissioningcompletion of: and erection, testing, site, Design, manufacture,delivery to Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Project: Client: Cables, installation material distribution system voltage DC distribution LV system system/transfer busbar DC collector busbar current andvoltage meteringDC system control system Master Local control system AC800PEC Booster rectifier-transformer2 kA, 60VDC units, 40 June 2010 May 2009 SNC Lavalin Arab Emirates Dubal, United rectifiers Boosters 5, number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 46 - December 16, 2016 | Slide 46 |Slide 2016 16, December Group© ABB «PL5-6 SBRT-6» smelter project Aluminium 16-Dec-16 § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Project: Client: 132kV Cables,installation material distribution system LV collector busbar DC DC current and voltage metering system ABBFOCS Upgrade Master controlsystem control system Upgrade Local 1 Rectiformers, 65 kA, 1300VDC August 2009 August March 2008 SNC, Lavalin Arab Emirates Dubal, United swingunit Rectiformer 5-6, Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 47 - December 16, 2016 | Slide 47 |Slide 2016 16, December Group© ABB Hlui»Ptie1 «Helguvik» Potline smelter project Aluminium 16-Dec-16 Start ofoperation: Award ofcontract: § § § § § § § § Scope ofsupply: : Engineer Technology: Capacity: Project: Client: Erection andcommissioning Completeinstallation cabling and system Collector CD Busbar Power factor correction and harmonicfilter equipment Micro SCADA system control system andmasterLocal control 1650VDC 98kA, Diode 5 Rectiformers Switchsync with 220kV Regulation 5 Tr Project onhold Project September 2015 September 2008 March Iceland HRV Engineering, AP 3X 1: 360pots, Potline 1 Potline Iceland Century hf,Reykjavik, © ABB Group - 48 - December 16, 2016 | Slide 48 |Slide 2016 16, December Group© ABB «PL21» smelter project Aluminium 16-Dec-16 § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Project: Client: 132kV Cables,installation material distribution system LV collector DC busbar DC current and voltage metering systemFOCS ABB control system Upgrade Master control system Local Upgrade 5 Rectiformers, 50 kA, 1500VDC February 2010 Nov. 2007 SNC, Lavalin Arab Emirates Dubal, United replacement Rectiformer 21, Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 49 - December 16, 2016 | Slide 49 |Slide 2016 16, December Group© ABB «Lochaber» smelter project Aluminium 16-Dec-16 § § § additional of: commissioning supervision, testing, delivery to site, Design, manufacture,installation, Scope ofsupply: Start ofOperation: Award ofContract: Operating at: Project: Client: DC current DC current metering system system control Local 75kA/400V3x diode rectiformers 2010 2007 November /400Vdc 198kA Conversion A.C. UK Limited Aluminium Alcan © ABB Group - 50 - December 16, 2016 | Slide 50 |Slide 2016 16, December Group© ABB «Kitimat» smelter project Aluminium 16-Dec-16 § § § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: EPC : Technology: Capacity: Project: Client: Cables, installation material distribution system voltage DC distribution system LV system collector busbar DC current andvoltage meteringDC system control system Plant controlsystem local and Master 1650VDC105 kA,x diode 5 rectifier unit Harmonic filter AIS kV 315 Project on hold, equipment supplied onhold,equipment Project 2013 2007 November Bechtel Pechiney AP3X new: 360pots Potline Kitimat Canada Alcan, Tinto Rio © ABB Group - 51 - December 16, 2016 | Slide 51 |Slide 2016 16, December Group© ABB Ea PL1and2» «Emal smelter project Aluminium 16-Dec-16 § § § § § § § § § § § Scope ofsupply: Start ofoperation: Dubal Award ofcontract: : Engineer Technology: Capacity: Project: Client: Turn-key Commissioning test High voltage Installation Control and ProtectionwithIEC 61850 400kV FeederProtection andTelecom SCADA with IEC61850 400VAC distribution standard as smelter 6.6kV Switchgear for, smelter andpowerplant 33kV Switchgear forcompletesmelter Insulated 245 kVGas Switchgear(GIS) December 2009 December July 2007 SNC Lavalin 360pots 1+2 Number Potline Abu Dhabi Co. L.L.C Aluminium Emal © ABB Group - 52 - December 16, 2016 | Slide 52 |Slide 2016 16, December Group© ABB QtlmPL1and2» «Qatalum smelter project Aluminium 16-Dec-16 § § § § § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: : Engineer Technology: Capacity: Project: Client: Turn-key Turn-key package EPC Detailed civil design and supervision 400VAC distribution 33kV aux. power Level controls 1 &2 DC measurement 400kA ABB FOCS 10 Conversion 1750VDC units 85kA collector busbar DC 33kVPFCbanks 10 of65 Mvar 220 kVcables Power plant 220kV and SCADAGIS September 2009 September June 2007 Hydro, Norway Hydro VDC kA 1750 352 pots340 1+2 number Potline Qatar L.L.C Co. Aluminium Qatalum © ABB Group - 53 - December 16, 2016 | Slide 53 |Slide 2016 16, December Group© ABB «Hormozal» Iran smelter project Aluminium 16-Dec-16 § § § § § § Scope ofsupply: Start ofoperation: Dubal Award ofcontract: Engineer: Technology: Capacity: Project: Client: FOB supply only and supervision only supply FOB 132kV Switchyard 132kV powerfactor compensation SCADA system collector DC busbar 1350Vdc rectifier units 80 kA– 4x October 2009 Jan 2007 FATA EPC 240 kA 260 pots 2 Potline FATA EPC Italy IMIDRO © ABB Group - 54 - December 16, 2016 | Slide 54 |Slide 2016 16, December Group© ABB «Vedanta» smelter project Aluminium 16-Dec-16 § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: construction, installation and commissioning installation and construction, equipment, mechanicalequipment, design, civil 220kV switchgear interface, including electrical AIS systemonaturn-key basis, 1 complete rectiformer units 1380Vdc rectiformer 10 x90kA– October 2008 January 2007 GAMI,P.R. China GAMI, P.R.China 350 kA 280 pots New potlines Jharsuguda, India Co. Ltd, Aluminium Balco © ABB Group - 55 - December 16, 2016 | Slide 55 |Slide 2016 16, December Group© ABB «PL43» smelter project Aluminium 16-Dec-16 § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Project: Client: Civil works 132kV cables,installation material distribution system LV collector busbar DC DC current and voltage metering system ABBFOCS Upgrade Master controlsystem controlsystem Upgrade local 5 rectiformers, 50 kA, 1500VDC July 2007 July 2006 SNC, Lavalin Arab Emirates Dubal, United replacement Rectiformer 43, Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 56 - December 16, 2016 | Slide 56 |Slide 2016 16, December Group© ABB «Pavlodar» smelter project Aluminium 16-Dec-16 § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: equipment, mechanicalequipment, design civil 220kV switchgear interface, electrical including AIS systemonaturn-key basis, 1 complete rectiformer units 1350Vdc rectiformer 6 x70kA– October 2008 March 2006 GAMI,P.R. China GAMI, P.R.China 350 kA 280 pots New potline Kazakstan Ltd, Co. Aluminium Pavlodar © ABB Group - 57 - December 16, 2016 | Slide 57 |Slide 2016 16, December Group© ABB ShrPL1» «Sohar smelter project Aluminium 16-Dec-16 § § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Capacity: Project: Client: Delivery Supervision, Delivery DDU,Commissioning Power demand control 33kV and400VAC 2controls also Level 1andlevel for GIS, DC measurement 400kA ABB FOCS Conversion 5 1650VDCunits 103kA, 220 kVcableterminations banks 220kVPFC withAIS Two 100Mvar 220 kVIncomer GIS, SurgeArresters March 2008 January 2006 Oman, Bechtel, AP35 Pechiney, Aluminium VDC 1650 360 kA 360 pots 1 Number Potline Oman L.L.C Co. Aluminium Sohar © ABB Group - 58 - smelter project Aluminium December 16, 2016 | Slide 58 |Slide 2016 16, December Group© ABB 16-Dec-16 «CBA» § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Engineer: Technology: Capacity: Project: Client: Cables, installation material distribution system voltage DC distribution system LV current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier units 60 kAthyristor 2 x October 2007 2005 November CBA AP 39 135 kA 192 pots 6&7 New Potline CBA Brazil © ABB Group - 59 - smelter project Aluminium December 16, 2016 | Slide 59 |Slide 2016 16, December Group© ABB 16-Dec-16 «Sunndal» § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: : Engineer Technology: Capacity: Project: Client: Cables, installation material voltage distribution system DC distribution system LV current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier units 60 kAthyristor 2 x May 2006 2005 April Hydro V / 1000 200 kA Hydro Pre-baked Norsk 3:200 pots Potline 3 SU Sunndal Norway Sunndalsora, a.s HydroAluminium © ABB Group - 60 - smelter project Aluminium December 16, 2016 | Slide 60 |Slide 2016 16, December Group© ABB 16-Dec-16 «Ardal» § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Cables, installation material controlsystemlocal and Master rectifier x 40kAdiode 2 unit October 2006 2005 April None V / 1000 200 kA Hydro Pre-baked Norsk 1: 200pots Potline ÅI Upgrade Norway Sunndalsora, a.s HydroAluminium © ABB Group - 61 - smelter project Aluminium December 16, 2016 | Slide 61 |Slide 2016 16, December Group© ABB 16-Dec-16 2 «Nordural» Potline § § § § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture, site, delivery to withOrkuvirki: Scope ofsupplyinconsortium Start ofoperation: Aluminiumwerke, Vereinigte Award ofcontract: : Consultant Technology: Capacity: Project: Client: Complete cabling installation Completecabling system and Power factor correction and harmonicfilter equipment Micro SCADA system control system andmasterLocal control 1500VDC 65kA, Thyristor 4 Rectiformers Switchsync with 220kV Regulation4 Tr Distribution transformers 6.6 kVswitchgears, 380 Vdistribution 245 kVswitchyard February 2006 October 2004 Iceland HRV Engineering, Germany phase) to 180,000 t/yin (increased 3 kA = 90,000t/y 120 pots195 oln 2:180pots,4 Potline 2 Potline Iceland hf,Reykjavik, Nordural th phase rd © ABB Group - 62 - smelter project Aluminium December 16, 2016 | Slide 62 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alumar» § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: construction, installation and commissioning. installation and construction, electrical equipment,mechanical design, equipment,civil systemonaturn-key basis, including 4 complete rectiformer Units 1125Vdc Rectiformer 45kA 4 x – March 2005 2004 August 225 kA 250 pots Retrofit PL2 Brazil Alumar © ABB Group - 63 - smelter project Aluminium December 16, 2016 | Slide 63 |Slide 2016 16, December Group© ABB 16-Dec-16 «BALCO» § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: and commissioning. design, construction, installation mechanicalequipment, civil 220kV switchgear AIS interface, electrical equipment, turn-key systemona basis, including 1 complete rectiformer Units 1300Vdc Rectiformer 5 x87.5kA– October 2004 June 2003 GAMI, P.R.China GAMI, P.R.China 350 kA 280 pots New Potline India (Chhattisgarh), Korba Ltd, Co. Bharat Aluminium © ABB Group - 64 - smelter project Aluminium December 16, 2016 | Slide 64 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alba PL4,PL5 Swing unit» § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: control &protection. Extensionexisting GIS-Switchgears of 132 kV including existingExtension LV-distribution. of Extensionand reinforcing collectorexisting DC of busbar. bay including control equipment.metering & construction Supply one complete& additional of rectiformer 5. potline and future 4 Turn keyinstallation potline one swing unit of for July 2004 January 2003 - France Pechiney,AP30 at72kA 1580 VDC 4 & 5 unit forPotline Swing Bahrain (c), B.S.C. Aluminium Bahrain © ABB Group - 65 - smelter project Aluminium December 16, 2016 | Slide 65 |Slide 2016 16, December Group© ABB 16-Dec-16 «Eagle BoostersPL5» § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Project: Client: Cables, installation material voltage distribution system DC distribution system LV system/transfer busbar DC collector busbar current andvoltage meteringDC system systemcontrol Master system control Local Booster rectifier-transformer2 kA, 60VDC units, 20 September 2004 September February 2003 Mott MacDonald Arab Emirates Dubal, United Rectifiers Booster 5, Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 66 - smelter project Aluminium December 16, 2016 | Slide 66 |Slide 2016 16, December Group© ABB 16-Dec-16 2» «Alouette § § § § § § § § § § commissioningcompletion of: and erection, testing, site, Design, manufacture,deliveryto Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Cables, installation material voltage distribution system DC distribution system LV system collector busbar DC current andvoltagemeteringDC system control system Plant controlsystemlocal and Master rectifier x 89kAdiode 5 unit Harmonic filter switchgear 170 kV GIS Emag ABB Calor 2004 2002 December Hatch SNC-Lavalin, V / 1320 330 kA Pechiney AP30 2:312 pots Potline 2 Alouette Canada Quebec, Alouette Aluminerie © ABB Group - 67 - smelter project Aluminium December 16, 2016 | Slide 67 |Slide 2016 16, December Group© ABB 16-Dec-16 «Boosters PL3» § § § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture, site, delivery to Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Cables, installation material voltage distribution system DC distribution system LV system/transfer busbar DC collector busbar current andvoltage meteringDC system systemcontrol Master system control Local Booster rectifier-transformer2 kA, 300VDC units, 15 January 2004 2002 November Mott MacDonald Arab Emirates Dubal, United kA + 50pots,260 3:118pots,230kA Potline Rectifiers Booster 3, Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 68 - smelter project Aluminium December 16, 2016 | Slide 68 |Slide 2016 16, December Group© ABB 16-Dec-16 «Kestrel» § § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture, site, delivery to Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Cables, installation material system/transfer busbar DC collector busbar DC metering system Micro SCADA system systemcontrol Master system control Local Fourteen 63kA/1240Vrectifier-transformer units uut20 March2006 August 2003– June 2002 Mott MacDonald Arab Emirates Dubal, United 230kA 3:218pots, Potline 230kA 2:168pots, Potline 230kA 1:168pots, Potline 1-3,revamp Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 69 - smelter project Aluminium December 16, 2016 | Slide 69 |Slide 2016 16, December Group© ABB

16-Dec-16 «Hillside PL3» § § § § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Turn-key system detection Fire Power demand control 2controls Level 1andlevel design DC collector bus DC measurement400 kA Conversion 5 680 VDCunits 100kA, 132 kVcables 132 kV PFCbanks Two 60Mvar 170 kV withGIS threeincomers November 2003 November 2002 April South Africa MurraySNC-Lavalin, &Roberts, AP30 France Pechiney, 680VDC 330 kA 144 pots 3 Number Potline South Africa SALtd., Aluminium Billiton © ABB Group - 70 - smelter project Aluminium December 16, 2016 | Slide 70 |Slide 2016 16, December Group© ABB 16-Dec-16 «Tomago» § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Plant control system Plant controlsystem local and Master x 65kA,1250VDC,diode rectifier 3 units 82 kV switchgear September 2003 September 2002 April None V / 1250 225 kA Pechiney, AP22 1-3:280potseach Potline current of potline PL 1-3,increase Australia Wales, South New / Tomago, Pty Limited Company Aluminium Tomago © ABB Group - 71 - smelter project Aluminium December 16, 2016 | Slide 71 |Slide 2016 16, December Group© ABB 16-Dec-16 «Inespal» § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: Master and local controlsystem local and Master rectifier units 21 kAthyristor 7 x December 2002 December June 2001 None V / 615 126 kA Pechiney, France 1:128pots Potline current of potline PL 1,increase La Coruña,Spain S.A. Inespal Alcoa © ABB Group - 72 - smelter project Aluminium December 16, 2016 | Slide 72 |Slide 2016 16, December Group© ABB 16-Dec-16 «Dunkerque» § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: Consultant: Technology: Capacity: Project: Client: 1 x 100 kA diode 100 kAdiode rectifier x units 1 August 2002 August May 2001 None V / 1200 350 kA AP30 Pechiney 1:264pots Potline current of potline PL 1,increase France Dunkerque, Aluminium © ABB Group - 73 - smelter project Aluminium December 16, 2016 | Slide 73 |Slide 2016 16, December Group© ABB 16-Dec-16 «Sunndal» § § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Cables, installation material voltage distribution system DC distribution system LV system collector busbar DC current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier x 69kAdiode 5 unit rectifier transformer winding each tertiary Harmonic bank,connected of filter to October 2002 2001 April None V / 1500 250 kA Hydro Norsk 4: 316pots Potline 4 SU Sunndal Norway Sunndalsora, a.s HydroAluminium © ABB Group - 74 - smelter project Aluminium December 16, 2016 | Slide 74 |Slide 2016 16, December Group© ABB 16-Dec-16 «Nalco» § § § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Redundant control system Redundant control Cables, installation material distribution system voltage DC distribution system LV systemdesign DC collector busbar current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier x 66kAdiode 4 unit AIS switchgear220 kV August 2002 August October 1999 EIL V / 1150 185 kA Pechiney AP18 3:240 pots Potline 3 Potline Bhubanswar,India (NALCO) Co.Ltd. Aluminium National lmnu smelter project Aluminium

© ABB Group - 75 - «Alcan Alma» December 16, 2016 | Slide 75 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § § § § § § commissioningcompletion of: and erection, testing, Design, manufacture, site, delivery to Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Redundant control system Redundant control Cables, installation material voltage distribution system DC distribution system LV system collector busbar DC current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier 2 x38.5kA/35 powerV loop thyristor kA diode 89 rectifier 10 x unit transformer winding each rectifier Harmonictertiary connected toof filter, switchgear145 kVGIS 161 power 3 x kV lines with 19bay 2000 1998 Lavalin SNC / Bechtel V / 1130 350 kA Pechiney AP35 2:144 pots Potline 1:288 pots Potline with2 PL ALMA, newsmelter Canada Quebec, Alma, Inc. Alcan © ABB Group - 76 - smelter project Aluminium December 16, 2016 | Slide 76 |Slide 2016 16, December Group© ABB 16-Dec-16 «Condor» § § § § § § § § § § plant Rectifier turn-key basisincluding: 1 on Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: 1 Collector busbar,1 Transferbusbar 1 1 LEMDC measuring system,260 kA transfer isolator control panel 1 1 MMI-Interface 1 Commontrip panel 2 110VDC distribution boards 380 Vdistribution 1 board Master controlpanel 1 Local control panels 4 Transformer 4 1300 rectifiers 55 kA,VDC à June 1999 March 1998 MottEngland MacDonald, Dubal, UAE 200kA 240 pots,135,000t/y 6 potline Extention (U.A.E.) Emirates Arab Dubai United Ltd., Aluminium Dubai © ABB Group - 77 - smelter project Aluminium December 16, 2016 | Slide 77 |Slide 2016 16, December Group© ABB 16-Dec-16 «Nordural» § § § § § § § § § § § Scope ofsupply: Start ofoperation: Aluminiumwerke, Vereignite Award ofcontract: : Consultant Technology: Capacity: Project: Client: Erection andcommissioning installation Completecabling system and Power factor correction and harmonicfilter equipment system Micro scada control system local control and masterNew Refurbishment rectifiers existing of from Töging Distribution transformers 380 Vdistribution 6.6 kV switchgears 33 kV switchgears 220 kVswitchyard June 1998 May 1997 England Engineering, K-Home Germany 90,000 t/y in 2 =60,000 t/y to (increased 1:120 pots180kA Potline Germany fromTöging, equipent with smelter New aluminium Iceland hf,Reykjavik, Nordural nd phase) © ABB Group - 78 - smelter project Aluminium December 16, 2016 | Slide 78 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alba PL1and2» § § Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: collector busbar on turn-key basis on collector busbar connection betweenand rectifiers busbar Modification of system (water)on turn-key basis Replacement rectifier cooling of new cooling system (oil) by ue19 March1998 June 1997 – 1996 September - Norway HydroAluminium, Southwire, USA; 114kA 2:228 pots, Potline 120kA 1:228 pots, Potline 1and2 Number of Poline Rectifiers Revamp Bahrain (C), B.S.C. Aluminium Bahrain © ABB Group - 79 - smelter project Aluminium December 16, 2016 | Slide 79 |Slide 2016 16, December Group© ABB 16-Dec-16 «Eagle» § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Cables, installation material system collector busbar DC DC metering system system Control kA, 60 VDC rectifiers à 30 Thyristor 3 basisincl. Boosters onturn-key 3 July 1997 1996 August England Ltd., Engineering K-Home Dubal, UAE 260 kA 5 pots, 5,Boosters Number Potline (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 80 - smelter project Aluminium December 16, 2016 | Slide 80 |Slide 2016 16, December Group© ABB 16-Dec-16 «Isal» § § § § § § § Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Main control andmonitoring systemMain system filter and harmonic factor correction Power Plant poweranddistribution transformers kA, 770VDC controlled 45 rectifiers 4 x Thyristor 33 kVand21 kV switchgears Main power transformer 4x51MVA Expansion 220 kVSwitchyardof June 1997 1995 December Zürich, Switzerland Ltd. Engineering Alusuisse Alesa Switzerland Alusuisse, 160 pots,135kA 3 Number potline Extension Iceland Straumsvik, Co.Ltd., Aluminium Icelandic © ABB Group - 81 - smelter project Aluminium December 16, 2016 | Slide 81 |Slide 2016 16, December Group© ABB 16-Dec-16 «Falcon» § § § § § plantRectifier 1 turn-key basis including: on Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: 380 Vdistribution system busbar Collector Micro SCADA system system control Potline Transformer5 rectifiers 1300 55 kA,VDCà September 1996 September May 1995 Preece, England Mott-Ewbank, Arab Emirates Dubal, United 240 pots,200kA 5 Number potline Extension (U.A.E.) Arab Emirates Dubai, United Ltd. Company Dubai Aluminium © ABB Group - 82 - smelter project Aluminium December 16, 2016 | Slide 82 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alba PL3» collector collector busbar. controlsystem andDC rectifier 1500 units, including V potline Complete 27.5 kA, rectifier plant onturn-key x basis with6 Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: coe 95–August1996 1995 – October 1994 August - Norway HydroAluminium, 294 pots,135kA 3 Number potline Extension Bahrain (C), B.S.C Aluminium Bahrain © ABB Group - 83 - smelter project Aluminium December 16, 2016 | Slide 83 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alba PL4» § § § Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: including control equipmentmeteringand Modification and extensionexisting 33kVswitchgears ofthe distribution resistors and380/220 V center. 35 MVA2 x transformers, power factor capacitors, earthing Complete auxiliary 3 substation a turn-keybasisincluding on busbar. collector including units, DC rectifier control system and V Complete rectifier plant onturn-key 1300 63 kA,x basis with6 July 1992 July 1990 USA Corporation, Bechtel Pechiney, France 288 pots,300kA 4 Number potline Extension Bahrain (C), B.S.C Aluminium Bahrain © ABB Group - 84 - Plant» Plant»«Ewarton «Kirkvine RefineryPlant Aluminium December 16, 2016 | Slide 84 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § strategies: process optimizing solutionincluding andComplete Experthardware Optimizer Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: calcination Process the optimization solution for Calcination 1 strategy Engineering 1 station Operator station 1 1 Expert Optimizer Server July 2001/ 2003 2000 /2003 October - process) Bayer (lowtemperature ALCAN 1,200,000 t/y Expert Optimizer Company, Jamaica Alumina Indies (West Windalco © ABB Group - 85 - «Alunorte» «Line3-5,Expansion 1+2» RefineryPlant Aluminium December 16, 2016 | Slide 85 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § including: controlsystem (800xASystem) Complete distributed Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: and commissioning Completesoftware with programming,erection supervision MCC´s communication viaProfibus-DP SmartFoundation Fieldbus Instrumentation 68 Remotecontrol panels 20 AC800M controllers PPA.15 Operatorstationswith planned January 2003 / planned January 2006 2001/2003 December PROMON, SETAL and EPC process) Bayer (lowtemperature ALCAN 2 = 4,200,00 t/y incl. Expansion Expansion 2 Para,Brazil (Belem), Barcarena S.A. doBrazil doNorte Alumina © ABB Group - 86 - RefineryPlant Aluminium December 16, 2016 | Slide 86 |Slide 2016 16, December Group© ABB 16-Dec-16 «Alunorte» «Line1and2» § § § § § system (DCS)including: control distributed Complete Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: and commissioning Completesoftware with programming,erection supervision 22 Remotecontrol panels 2 Starcouplers 11 Controlunits 280/1 MP Operator 8 stations 850/1 MV July 1995 October 1993 PROMON and IESA, Brazil process) Bayer (lowtemperature ALCAN 1,200,000 t/y New alumina refinery plant Para,Brazil (Belem), Barcarena S.A. doBrazil doNorte Alumina © ABB Group - 87 - 1» «Alouette smelter project Aluminium December 16, 2016 | Slide 87 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § § § § § andcompletion of: commissioning delivery to site, Design, manufacture,testing, erection, Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Cables, installation material distribution system voltage DC distribution system LV system collector busbar DC current andvoltage meteringDC system control system Plant controlsystem local and Master rectifier x 60kAdiode 6 unit Harmonic filter switchgear 170 kV GIS Emag ABB Calor June 1992 June 1989 SNC-Lavalin /1130V 330 kA Pechiney AP30 1:264 pots Potline 1 Aloutte Quebec, Canada Alouette Aluminerie © ABB Group - 88 - «Bauxiven» project Bauxit December 16, 2016 | Slide 88 |Slide 2016 16, December Group© ABB 16-Dec-16 § § § § § § controlsystem for: equipmentincluding ABB-Master electrical Complete Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: Conveyor belts Transfer 2 cars 3600 t/h 1 Shiploader 3600 t/h each 4 Reclaimers 2 Stackers3200 t/h each 2 Stackers1600 t/h each April 1992 April June 1989 - Germany; Italimpianty,Italy GmbH Industrie Klöckner see below Jobal» and «El de Corro» «Pic storage plants Bauxit Venezuela Caracas, C.A. Venezolana Bauxita C.V.G. © ABB Group - 89 - «Deep» smelter project Aluminium December 16, 2016 | Slide 89 |Slide 2016 16, December Group© ABB 16-Dec-16 in ajoint venturewith (formerWimpey) UK Tarmac, equipment, mechanicalconstruction equipment, designand civil § § Scope ofsupply: Start ofoperation: Award ofcontract: : Consultant Technology: Capacity: Project: Client: 1 complete potline on a turn-key basis, including on electrical complete1 potline GT-Power Plant 1 x85MW March 1991 – complete potline complete 1991 – March 60 pots 1990– November March 1989 Zürich Switzerland Engineering, &F /Smelter-M England Preece, Ewbank – Power Plant Emirates Arab United Dubal / 185kA 144 pots 4 Number Potline Extension (U.A.E.) Emirates Arab Dubai United Ltd., Aluminium Dubai