Power Electronics Equipment

Technical Achievement and Outlook in FY2014 Power Electronics Equipment

Drive Systems Power Supply Systems Transportation Systems Electric Distribution, Switching and Control Devices

Outlook

Present day, power electronics products have per- 200 V large-capacity UPS to meet the replacement de- meated in all fi elds ranging from social infrastructure mand in the Japanese market, which features an out- that supports lifelines to durable consumer goods. And put power density improved by 10% while maintaining it is raising great expectations from the perspective of compatibility with the current models. And the other energy conservation and high-effi ciency utilization of is the “7000HX-T3U Series” of 3-phase 400 V large- electrical energy in particular. New power devices that capacity UPS for the North American market, offering use silicon carbide (SiC) are now in the practical appli- the world’s highest level effi ciency of 97.5%. In order cation phase and are expected to become widespread. to reduce power consumption of data centers, we have In the fi eld of drive systems, to meet various needs developed a rack-mounted DC UPS that integrates a of customers relating to variable-speed driving of mo- UPS and switching power supply for a server. It is ex- tors, Fuji Electric provides products based on platform pected as a power supply system capable of reducing technology. We have commercialized “FRENIC-Lift distribution losses and eliminating the need for UPS LM2A” as an inverter for machine-roomless elevators. installation space. In relation to renewable energy, we It has achieved conformity to safety standards man- have commercialized “PVI1000 AJ-3/1000,” a power datory in the European market and realized slim di- conditioning sub-system (PCS) for mega solar power mensions that are among the industry’s smallest as plants, employing an All-SiC module. It has achieved

Power Electronics Equipment an inverter with a built-in EMC fi lter. The “FRENIC- miniaturization with a footprint size 60% smaller than eHVAC Series” for air conditioning has a built-in EMC previous products by taking full advantage of the fea- fi lter as standard model. It features the customiza- tures of SiC power devices. It has awarded First Prize tion function, which has been received favorably in in the FY2015 (64th) Japan Electrical Manufacturers’ the “FRENIC-Ace Series,” further enhanced to offer a Association Technical Achievement Award. variety of control and communication options. In addi- In the transportation power electronics fi eld, Fuji tion, we have commercialized the “FRENIC4600FM6e Electric has developed an auxiliary power unit with Series” of medium-voltage inverters capable of directly medium frequency link, combining a resonance invert- driving a large-capacity medium-voltage motor. It cover and medium frequency transformer. Compared to ers a wide range of ratings including the input voltage previous systems, the unit has achieved signifi cant size of 6 kV/10 kV and output apparent power of 460 kVA and weight reductions. We have shipped a door system to 15.6 MVA and is equipped with various operation combining a rotating type permanent magnet fl at mo- control functions such as inverter parallel operation tor with a rack-and-pinion mechanism to the North and synchronous motor driving. American market. In addition, we have started pro- Regarding rotating machines, Fuji Electric has viding an auxiliary power unit and linear door system commercialized “Premium Effi ciency Motors” of IE3 for subway cars of the Washington Metropolitan Area effi ciency according to the Top Runner Program based Transit Authority of the U.S. For both products, major on the “Act on the Rational Use of Energy” (Energy parts procurement and fi nal assembly are carried out Conservation Act). The slot structure, windings and according to the “Buy American Act,” the fi rst of such core materials have been optimized for loss reduction to cases of Fuji Electric’s products for electrical rolling achieve the premium effi ciency IE3 level of IEC 60034- stock. Furthermore, we have developed a passenger 30/JIS C 4034-30, and they have been standardized in information system that uses a high-brightness, high- the IP55 degree of protection for outdoor types. defi nition display and a train communication card with In the fi eld of power supply systems, Fuji Electric Ethernet applied. has commercialized 2 series of uninterruptible power In the fi eld of electric distribution, switching and systems (UPSs). One is the “6000DX Series” of 3-phase control devices, there is growing demand for space-

124 FUJI ELECTRIC REVIEW vol.61 no.2 2015 up to12stringsofsolarpanels.Regardingmagnetic a standardfeatureandmakesitpossibletomeasure VDCas uses aCT,supportsanoutputvoltageof1,000 PV Series.”Itadoptsacurrent-detectionsystemthat we havedevelopedaCT-basedmodelofthe“F-MPC size fordatacenters.Asanenergymonitoringsystem, and a2-poleplug-inbreakeroftheindustry’ssmallest is idealforphotovoltaicpowergenerationequipment, AF,which DC high-voltagebreakerseriesof400to800 able energysector.Wehavedevelopedanon-polarity ings andcommercialfacilitiesinadditiontotherenew- control systemsforproductionequipment,of saving andhighlyreliabledistributionequipment FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI ﬁ ce build- ce and helprealizeasustainablesociety. electronics equipmenttoensurecustomersatisfaction various technologies,productsandsolutionsinpower safety. equipped withtheSynchroSafeContactforimproved developed generation equipment.Asforcontroldevices,wehave whichisidealforphotovoltaicpower “SC-N12/DS” is suitableastheprimaryswitchofadriveunit,and A, 22-Aand32-Amodelsofthe“SKSeries,”which starters, wehavedevelopedAC-andDC-operated18- In thefuture,weintendtocontinuedeveloping φ 30 emergencystoppushbuttonswitches Technical Achievement and Outlook in FY2014 125

Power Electronics Equipment Power Electronics Equipment 126 Technical Achievement and Outlook in FY2014 (2) Improvement of market competitiveness by simplifying (4) The system has been given a power assist function, which apower been given function, has system assist The (4) output single-unit The apparent in (3) power beincreased can (2) power uninterruptible an need for install The space to power reduction in distribution (1)It achieved 7% has a5to fea- main The follows: as are process. tures distribution power entire the in loss er uninterruptible an power power supply supply switching and reduce the pow- to integrates system This centers. data at gy that helps save to ener- poweruninterruptible system (UPS) developed has Electric Fuji with. arack-mounted deal to DC issue amounts of electricity, important large consume an is (1) Voltage/capacity class metallurgy. for suited functions ry and auxilia- environment and equipped differentiating with competitive whichers, are enough the cope with business to of medium-voltage Series” invert- the “FRENIC4600FM6e the Weto emergence manufacturers. have of local developed which their is biggest market, duecelerating China, pace in keypad (5) A multi-functional 19 panel supporting languages (4) BACnet been supported communicationThe has protocol con- such PID as conditioning for air (3) required Functions (2) provided astandard is as logic customizable Reinforced (1) market conditioning of requirements the air pricing The follows: as features are main market. The which meets the speci Series,” weing, the have “FRENIC-eHVAC commercialized (5) (5) GB power DL and (national electric IEC, to Conformity (4) operationRedundant (auxiliary function by bypass cell by (3) motor driving motor synchronous and Large-capacity Power Systems Supply Drive Systems Rack-Mount DC UPS DC Rack-Mount Series” “FRENIC4600FM6e Inverter Medium-Voltage Series” “FRENIC-eHVAC forAirConditioning Inverter ™ ™ the circuit con the circuit the server rack. apower imposing while period limitation on for acertain serverallows operation at the aload power exceeding limit increments kW. of 2.5 tion of approximately 20%. reduc- afootprint achieving supply been eliminated, has losses at data centers. more and regions. be usedin countries available optionalis that feature so an the as system can systems. build tion options have been commercialized control communica- and various and feature astandard as to make it easy to features. standard as vided cascade operationtrol, and forced operation have been pro- functions. to feature have been met the by optimum using design. standards of China) standards function) operation parallel inverter control Reducing the powerReducing consumption of data centers, which of price medium-voltageThe at ac- an falling is inverters order expand the condition-In to offer for of inverters air 00k,50t 560kVA kV, 15,600 to 500 10.0 kVA kV, 9,350 to 450 6.0 fl exibly meet the end need users’ for dedicated fi guration fi cation and pricing requirements of requirements cation the pricing and fi power and elds electrical including Fig. 2 “FRENIC4600FM6e Series” (10.0kV, 1,280kVA model) Fig. 1 “FRENIC-eHVAC Series” Fig. 3 Rack-mount DC UPS DC 3Rack-mount Fig. FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI (3) Shock and vibration standard: IEC 61373 IEC vibration and Shock (3) standard: etc. 61000-6-2, IEC standard: (2)EMC (1) equipment for stock: electrical Standard usedon rolling Authority: by the Transit required the standards following to conforms out carry and major parts the procure base United in Statesto turing Japan amanufac- in to factory our from technology ferred erence to U.S.-madeimproved maintainability. productswith in the purchases, self-diagnosis software PC diagnostic on-board and system matic diagnostic we Transit function have between incidental equipment Area links such the as auto- desktop trans- Metropolitan of the the delivering equipment.Authority system The started and main Washington the of unit cars to subway achievefor VDC) AC, V 37.5 AC, V 120 /output: DC V 230 (input: 700 power unit motor auxiliary and drive) synchronous (linear (2) Redundancy is provided(1) same generatorThe that as of the control KiHa circuit to allow follows: as features are multiple-units. main The backup now,to delivered to diesel power Series for the units ET122 withpower for diesel units multiple-units, which it offered up has multipleJapan Company. Railway diesel multiple-units Series 122 ofbased West on the KiHa diesel multiple-unitsSeries were and introduced, they are Line on the former Hokuriku Main Line section, new ET122 Hisui To the Line. Nihonkai Shinkansen the Hokuriku to 14, 2015 aconventional as parallel railway that line runs reactors. and weightand reduce size by the reducing output AC the output decreasing and frequency rier voltage distortion, the reduce car- noise by increasing ed loss due switching, to used. In this been has characteristics excellent with device switching way, we have a1.7-kVand (IGBT) bipolar transistor rated insulated-gate managed tooverhead input line been system adopted has the as circuit reduce the DC system that three-level inverter supports 1,500-V The generat- over theswitched the standby to event system in of failure. is system which the in regular system, standby redundancy beenaddition, improved has the by reliability adopting a In standby and systems. composed of the regular structure apower of has aredundant unit Ltd. Co., Railway Electric basis. on adaily phisticated requirements the And stock. severe rolling useenvironment of placed electrical on thembility, quietness and reduction and weight of size due the are to becoming increasingly so- Transportation Systems Transportation Power Unit for Echigo TOKImeki Railway Company Power TOKImeki UnitforEchigo BuiltTrains Power UnitforNewly Auxiliary Ltd. Railway Co., ofSanyo Electric Door Drive System and Auxiliary Power UnitforSubway andAuxiliary Drive System Ca Door IEC 60571 IEC cars connected in the event in of one connected power of failure cars unit. system. the adigital conventional from system to changed analog been usedand the has recti Series 122 In response to the “Buy American Act” that gives pref- system adoor drive commercialized has Electric Fuji Fuji Electric has made use of its experience in auxiliary made has useof its auxiliary Electric Fuji experience in operations on March started Railway TOKImeki Echigo power for unit newly of Sanyo trains built auxiliary The relia- high require cars power for train units Auxiliary fi nal assemblynal the equipment in United The States. fi er control circuit fi lter lter

Fig. 5 Fig. 4 Fig. 6 ET122 Series diesel and multiple-unit power unit 1,500 VDC newly built trains Simpli Area Transit Authority Area Metropolitan ofWashington Series) (7000 car subway New rs ofWashington Transit Area Metropolitan Authority Line breaker (high-speed breaker) circuit ﬁ box ed connection diagram of auxiliary power unit for for unit power ofauxiliary diagram connection ed Technical Achievement and Outlook in FY2014 nu ici Outputcircuit Input circuit

Noise filter Auxiliary powerunit Power unit Power unit Control device Control device inverter inverter 3-level 3-level 127

Power Electronics Equipment Power Electronics Equipment 128 Technical Achievement and Outlook in FY2014 (2) two with communication and the networkProvided ports (1) follows: as features are main The stock. ing Equipped equipment of on-board roll- types various of electrical connect developed acommunication that it makes card possible to with trend, Ethernet with this weusing line In process. have isin the zation stock of communication networks rolling for electrical TRDP protocol conforming to IEC hours) and lower(4) power (60,000 con- life service Longer (3) control power including unit supplyIntegrated com- and (2) Conforms to electronic(1) High-brightness, high-de equipment follows: as are tures standard (IEC fea- main The together and French) images. with English 60571) multiple in (Japanese, spots and tourist languages facilities show aboutto information places the along station cable line, inside acable at car the part front top tion display installed is operations 1,2015. Apassenger informa- on March started cars (Cable cable in which was installed K.K., Seizo ly Toyo with Denki Line) of Nankai Electric Railway Co., Ltd. and (5) for detection performance anyThe passenger or belong- been provided has that so it function diagnosis failure The (4) It easier is (3) for the adjustments make customer to by facto- have been improved reduce power to characteristics Motor (2) (1) by giving have and safety been realized reliability High follows: as features are car. main test The market the following service American ond example the of arack doorNorth pinion and system in duced by Sonoma-Marinand gangways for beintro- the to diesel-powered cars rail Area Rail Transit. This is the sec- (4) Allows incorporation of incorporation otherAllows communication in- (4) protocols (3) the with relia- endurance, environmental high Provided Transportation Systems Transportation TRDP System Train Communication Card for Electrical Rolling Stock Conforming to 61375-2-3 IEC Conforming RollingStock Train System TRDP forElectrical Card Communication forRollingStock System Information Passenger America Drive forRailways System andPinion Rack Door inNorth as propulsion such devices in beintegrated can and function switch equipment to con 61375-2-3. sumption achieved by applying backlight long-life LED puter stock rolling applied electrical to size) even higher safety. caughtings between been improved has doors realize to easier identifyis the to cause of any failure. ry adjustment. consumption by 52%. for reliability. its high recognized which is ucts, the new products element the mechanism prod- of existing ware. without the hard- change aneed to cluding PROFINET dustry. the railway in in- required response high-speed and bility the application device. of thecommunication to functions topologies according In the global railwayIn industry, standardi- international We developed apassenger system joint- information system for delivered passengers adoor drive Electric Fuji fi nition display (32-inch half-cut half-cut displaynition (32-inch fi various redundantgure Fig. 8 Passenger information display in car cable system drive door pinion and rack and car 7New Fig. Fig. 9 Communication card (comparison with business card) business with (comparison card 9Communication Fig. FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI (4) Integration of coil surge suppression surge of coil function Integration (4) (4) equipment cover provided is standard as terminal The sup- surge equipped is acoil (3) with type DC-operated The (2) A newly-designed been adopted has electromagnet to reduced by area (installation mm width of 53 It aslim has (1) follows: as features are main The devices. and other control of machine tion units and energy savings Series is speci of expand the the to lineup. series, type SK The size er frame tion. We have developed type), product alarg- a32-A (SK32 and lower sizes their smaller to power consump- thanks lease (5 ratings), 22 to have been received favorably their re- since (3) Acquisition of China Compulsory Certi Compulsory of China Acquisition (3) capable operation circuit of both AC/DC (2)Operating operating ap- noiseReduced (1) of the (by contactor magnetic follows: as features are main elevator the products Chinese target to market. standard The reduced that from oferating the noise been successfully has contactors. ic the requirement for the reducing operating noise of magnet- thenear elevator to themselves. cages given rise has This condominiums and control panels have come be to installed been increasingly eliminated mainly for exclusive hotels and (2) operating ambientThe been ex- temperature has range rated) has (1) (450-A contactor magnetic standard-type The follows: as features are main ed “SC-N12/DS,” developedWe have expanded the lineup with the addition to of 550-A meet for Aratings rat- photovoltaic800 power generation equipment. diversifying and 660 with of contactors magnetic Series and “SC-N16/DS” needs. The environment of thetion PCS. installation and the including speci requirements meetneed various to for photovoltaic powertems (PCSs) generation equipment Electric Distribution, Switching andControl Switching Devices Distribution, Electric Mute Magnetic Contactor “SL Series” “SL Contactor Magnetic Mute “SC-N12/DS” Equipment forPhotovoltaic Power Generation Contactor Magnetic Type) (SK32 Series” “SK Contactor Magnetic ofCompact Expansion (degree of protection: IP20). (degree of protection: feature. pression astandard as device product). equivalent our “SC-N1/G,” from capacity reduction of 73% operated W, capacity electromagnet 2.4 electromagnet an signi equivalent our “SC-N1,” from product). 33% proximately AC over the products) from standard 10 dBA type: diverse useenvironments. with panded (Standard deal to the same dimensions. turer, maintaining while product rating offered by this with aJapanese manufac- been thedevelop model, usedas basisto the only a550-A The compact magnetic contactor “SK Series,” types SK06 SK06 types Series,” compactThe contactor magnetic “SK With the the mute Series,” op- magnetic contactor “SL elevator the Chinese In have rooms market, machine Up up now, to the lined has “SC-N14/DS” Electric Fuji Magnetic contactors used in power conditioning sub-sys- fi cantly reduce the capacity electromagnet (DC- − 5 to +55°C, developed +55°C, 5 to model: fi intended reduc- size forcally to contributing − 10 to +60°C) to 10 fi cate (CCC) fi ca- Fig. 11 “SC-N12/DS” 550-A rated model rated 550-A 11Fig. “SC-N12/DS” 10Fig. “SK32A” Fig. 12 Series” Fig. “SL (a) “ SL09” Technical Achievement and Outlook in FY2014 (b) “SL40” 129

Power Electronics Equipment Power Electronics Equipment 130 5 0 n 0 A products added split exclusively as CTs 800 A and 100 (5) communication pro- added RS-485 an as RTU (4)MODBUS/ (3) higher-levelReplaceable without system soft- changing Technical Achievement and Outlook in FY2014 (2) improvedUsability device display by setting and alarger previous from products) and weight(1)Size 60% reduced (by follows: as features are main cent The years. sources have been becoming increasingly widespread in re- areverse power measure to bility measurement)cuit expand the to line. types (4-cir- measurement) 4-wire 3-phase and (12-circuit 2-wire 2014. January Wein have now remodeled the single-phase Series” measurement) (8-circuit of the “F-MPC04P type we remodeled 3-wire thetribution 3-phase switchboards, and power of dis- saving der miniaturization contribute to to Electric Distribution, Switching andControl Switching Devices Distribution, Electric Line Expansion of Multi-Circuit Power Monitoring Unit “F-MPC04P Series” Unit“F-MPC04P Power Monitoring ofMulti-Circuit Expansion Line for combination tocol ware ( powerand 50%) consumption (by decreased The new “F-MPC04P” has been provided has acapa- with newThe “F-MPC04P” monitor energy, to needs or- increasing there in are As □ 48 to □ 80) ﬂ power ow distributed as Fig. 13Fig. “F-MPC04P” (a) Mainunit FUJI ELECTRIC REVIEW vol.61 no.2 2015 vol.61 no.2 REVIEW ELECTRIC FUJI settingdevice (b) Displayand ＊ All brand names and product names in this journal might be trademarks or registered trademarks of their respective companies.