Line Power Has the Electrical Equipment for Your Mining Operation Line Power Corporate Overview

Regardless Of Your Mining Method, What You Are Mining Or Where In The World You Are Mining . . . Line Power Has The Electrical Equipment For Your Mining Operation Line Power Corporate Overview

Line Power is a division of Line Power designs and builds Electro-Mechanical Corpora- engineered electrical distribution tion (EMC) of Bristol, Virginia. and control apparatus used in EMC is a privately-held, Amer- underground and surface min- ican-owned company founded ing along with industrial/com- in 1958. The divisions of EMC mercial and utility applications. manufacture a wide variety of This includes low and medium products used in the genera- voltage switchgear, section tion, transmission, distribution power centers, belt power cen- and control of electricity. These ters, pump power centers and products, along with various controls, motor controls, sub- electrical equipment repair and stations, longwall mining power maintenance services are used systems, vacuum circuit breaker The Line Power Manufacturing Main Plant by a diverse mix of Energy switch houses and mine-duty (mining, oil and gas), Tunneling, transformers, along with com- Dredging, Electric Utility and In- ponent parts such as ground dustrial/Commercial customers monitors, ground fault relays, worldwide. EMC has nearly one high and low voltage couplers, million square feet of modern switches and VCBs. manufacturing, service and repair facilities located in Virginia Line Power mine-duty trans- and Tennessee. In addition, formers are known throughout EMC has a full-time Research the industry as the most rug- and Technology Center dedicat- ged and reliable transformers ed to providing EMC divisions available for the demanding with the latest technological conditions in mining, tunneling advances for electrical power and dredging. distribution and control. The Line Power Rebuild Divi- The business that became EMC sion is a dedicated service fa- was started in 1958 as Electric cility offering equipment repair/ Motor Repair & Sales. By the rebuild/upgrade services for mid-1960s, the Company had existing electrical power distri- grown to fifteen Associates pri- bution equipment. Regardless marily serving the area’s textile of the original equipment man- industry. As textile customers ufacturer, the Rebuild division moved out of the area the can rebuild and upgrade your Company redirected its ener- equipment to the latest tech- gies toward serving the region’s nologies while maintaining your mining industry. As the mining initial equipment investment. motor business grew, customers began requesting that the The Line Power Parts and Ser- Company manufacture under- vice Division offers a complete ground power centers. Out of line of replacement parts along the response to these requests, with a dedicated highly experi- Line Power was born in 1971. enced and trained field service The mining electrical power dis- department for service, repairs tribution business grew rapidly and equipment commissioning. throughout the 70s and 80s and Line Power quickly became the Line Power is ISO-9001-2015 market leader. registered.

2 What Sets Line Power Apart From All The Others Highly Integrated Manufacturing Line Power and the sister breakers, DTS® Down Time divisions of Electro-Mechan- Saver® feeder circuit protectors, ical Corporation design and MAVRiC® magnetically-actuated manufacture most of the major vacuum circuit breakers, ground components used in the elec- monitors, epoxy insulators, high trical distribution and control and low voltage couplers. This products it builds. These include provides Line Power with un- mine-duty transformers, Auto- surpassed control of quality and jet® switches, vacuum circuit delivery for these components. A Sample of the Major Components Manufactured by Line Power

A Focus On Productivity And Reducing Unscheduled Downtime One of the most costly events The second generation DTS®-II in any type of mining operation feeder circuit protector main- is unscheduled downtime. This tained all the functionality of is where Line Power leads the the original DTS® but in a con- industry with its patented series figuration that is 30% smaller of Down Time Saver® (DTS®) and 25% lighter. products. The Patented DTS®-II Feeder Circuit Protector Next in the DTS® series is the Led by the DTS® feeder circuit DTS®-VCB. This unit takes the protector, the first of the Down 40+ years of proven reliability Time Saver series of products of the Line Power vacuum revolutionized the way feeder circuit breaker and packages it circuits are designed. Combining in a draw-out drawer arrange- all the elements of a feeder circuit ment. This gives you unprece- in one compact drawer made dented access to the breaker troubleshooting and repair simple at the side of the unit instead and fast. By pulling out one draw- of having to lift it out the top. er repairs could be made without In areas of limited overhead shutting down the entire unit. space, troubleshooting and If the repair could not be made repair can be accomplished this way, the entire drawer can without having to move the be removed and replaced with a gear to another area of the spare, getting you back up and mine to access the VCB from running with minimal disruption to the top. your mining operation. The Line Power DTS-VCB Shown Drawn Out

Engineered Designs And Service After The Sale Line Power products are engi- technicians are available neered-designed and built for 24/7 for troubleshooting, field each specific application. Work- service, installation, commis- ing directly with the customer, sioning and preventive mainte- Line Power’s sales personnel nance services anywhere they and engineering staff design are needed around the world. the equipment knowing where the equipment will be used Operating out of fully-outfitted and more importantly, how the service vans the field service equipment will be used. team is just a call away to help solve your electrical equip- But the commitment to the cus- ment problems and get you tomer does not end there. Line back up and running. Preven- Power’s Field Service Team, tive maintenance services can staffed by highly experienced, also help prevent unscheduled Line Power’s Field Service Team Working Directly qualified and MSHA-certified downtime. With the Local Utility to Commission A Substation

3 Line Power Products At A Glance Portable Substations Longwall Controls Power Centers

Engineered-engineered substations available in pad, Engineered-designed longwall systems up to 25 kV skid or trailer-mounted, or walk-in designs from 500 (110 kV BIL,) 15 MVA, complete with 5 kV Down kVA to 30 MVA and from 15 kV to 128 kV. Portable Time Saver® modular feeder circuitry and comput- Engineered-designed power centers in open or pump substations up to 5 kV for frequency/soft- er-controlled human interface monitoring. Onboard explosion-proof designs up to 25 kV (110 kV BIL,) start/across the line applications are available in computer-controlled current and voltage testing. 15 MVA, in skid, wheel or rail configurations. PLC outdoor and underground rated. For use in inby and outby locations. Compatible controlled with in-house programming. Customiz- These can be manufactured from stainless or galva- with all longwall shear, plow, conveyor and roof able mine-duty transformers. Arc flash mitigation nized steel or aluminum for corrosive atmospheres. support manufacturer’s equipment. Custom in- and VFD designs available. Modular circuitry for Optional fold-down towers are available. house PLC programming. ease of troubleshooting and repair.

Tunneling and Dredging VCB Switch Houses Mine-Duty Transformers

Engineered-designed VCB switch houses in 25 Engineered, compact designs for control enclo- kV, 600 amp or 15 kV 1200 amp in skid, wheel or sures that can be mounted directly on the tunnel trailer configurations. Open or explosion-proof de- Engineered mine-duty dry-type transformer boring machine (TBM) or independent of the TBM. signs with bushing/flange/coupler entry complete designs with the capability for seismic-ratings Open and explosion-proof designs available. Com- with overcurrent protection and optional voltage and transformers that meet higher efficiency plete dredging substations that can be mounted di- protection. Also available as a single VCB with requirements. Engineered designs for OEM use in rectly on the dredge or independent of the dredge feed-through for re-establishing grounds along electric shovels and draglines and for retrofitting that are water-tight and washdown-capable. cable runs. into existing spaces and applications.

Custom Electrics Switchgear Repair/Rebuild/Upgrade

The Line Power Rebuild division offers complete repair/refurbish/rebuild services for electrical equip- Engineered-designed motor control centers, Live-Front and dead-front pad-mounted and engi- ment. Line Power Rebuild can rebuild and upgrade VFDs, VCB switch houses, portable generators neered switchgear including prep and processing your existing electrical equipment incorporating the and E-houses in pad-mount, skid, wheel or trailer plants, offices, load-out facilities, ventilation, latest technologies while maintaining your initial configurations. Open or explosion-proof designs maintenance and other surface facilities requiring equipment investment regardless of the original for surface or underground applications. utility power distribution and control. manufacturer.

Junction Boxes Component Parts Field Service

Line Power designs and builds a complete line of component parts including vacuum circuit breakers in 15 kV, 600 amp, 15 kV, 1200 amp and 27 kV, 600 amp; air-insulated Auto-jet® switches up to 27 kV, 600 amp and vacuum loadbreak switches at 15 kV, 600 amp. High voltage ground monitors, ground fault relays, ground monitors in Line Power maintains a team of dedicated field both impedence and continuity-type, low voltage service personnel outfitted with fully-equipped Engineered-designed junction and splice boxes couplers from 600 volt, 600 amp to 1000 volt, 700 service vans for mine site service, repair and from 27 kV, 600 amp to 15 kV, 1200 amp with amp, high voltage couplers in 15 kV configurations equipment commissioning. All of the service bushing/flange/coupler entry. Pad-mounted, skid or along with flange terminators, slip/spill switches technicians are MSHA-certified for surface and wheel mounted, outdoor and underground rated. and high voltage fuses. underground operations.

4 OEM And Private-Labeling Capabilities

Line Power brings 50+ years of electrical industry experience to your manufacturing supply chain by providing OEM systems and components to equipment manufacturers around the world. Engineered electrical products can be designed and built to fit an existing equipment footprint or to be incorporated into specific space and shape lim- itations such as those in tunnel boring machines, dredg- es, mining shovels, as well as portable substations and metal-enclosed switchgear used in utility, industrial and commercial applications.

The Line Power Total Life Cycle Of Electrical Power Distribution Equipment

New unit designed and built by the industry-leader in mining Completely rebuilt, repaired power distribution equipment. and upgraded unit ready to start the life cycle over again.

Available startup and maintenance training.

Available upgrades such as the MAVRiC® magnetically- actuated VCB are available. Genuine Line Power REBUILD Replacement Parts

Dedicated MSHA- Unit received for repair and certified (surface and rebuild. Damaged and missing underground) field parts are repaired or replaced. service team.

5 Metal-Enclosed and E-House Switchgear

Line Power designs and builds engineered metal-enclosed switchgear in both indoor and outdoor configurations along with e-houses used in prep plants, hoist and elevator control houses, kiln control houses, maintenance facilities or anywhere load-interrupting switchgear is required.

Three-phase, group-operated load-interrupter switches with fuses in single and multi-bay assembles. Manual, automatic source transfer, SCADA control and shunt-trip operation units configured to your application and specifications in voltage ranges from 5 kV to 35 kV, 600 and 1200 amp continuous 3-phase, load-break switches with fusing to 1100 amps with current limiting fuses and fusing to 720 amps with power fuses.

Options can include key locks, copper bus, metering, vacuum circuit breakers, close-coupled to transformer, special paint colors, monitoring, category A, B, and C enclosures, and stainless steel switches and enclosures for corrosive environments.

Line Power E-Houses are engineered-designed to meet your specific configuration and physical dimension requirements. These e-houses feature pre-fabricated walk-in enclosures that can be equipped with switches, vacuum circuit breakers, PLCs, VFDs, dry-type transformers, controls and auxillary equipment installed, tested and ready to set in place.

E-houses can be pad-mounted or portable with portable units mounted on skids or trailers.

6 Line Power Mine-Duty Transformers

Line Power is the leader in Line Power miter-core trans- the design and manufacture formers offer the highest of engineered mine-duty efficiencies in the industry transformers. With more which can result in lower over- than 50 years of experience, all cost of ownership of your Line Power provides reliable, equipment. Although actual cost-effective dry-type trans- annual savings can be more formers that provide years of or less depending on useage, trouble-free service. as electric utility rates contin- ue to rise, the payback can be Line Power vacuum pressure impregnated (VPI) transformers sooner and the cost savings combine a proven dry-type transformer design with the envi- even greater when compared to butt-lap core designs. Along ronmental protection of a polyester coil encapsulation process, with cost savings, miter-core transformers produce less head a combination that ensures reliable transformer operation in and noise (vibration) and reducing both can help extend the hostile environments containing moisture, dust, dirt, chemicals life of other components in the equipment. and other comtaminants. Losses in Watts Annual Savings Core Weight Difference KVA Based on $0.08 (Pounds) in Watts Line Power mine-duty transformers offer: Butt Lap Miter per KWH 500 2800 3265 2202 1063 $746 • Lower initial cost than cast-coil 750 3389 3942 2659 1283 $899 • Flexibility of design - engineered designs to fit 1000 4200 4898 3304 1594 $1117 specific profiles 1500 5700 6647 4484 2163 $1515 2000 7100 8280 5585 2695 $1888 • Higher thermal overload availability 2500 8400 9796 6607 3189 $2235 • Smaller dimensions and less weight • Mitered Core or Butt-Lap construction Typical cost savings when comparing butt-lap core losses with those of miter-core losses

Products Designed To Meet International Approvals and Specifications Line Power can design and er switch houses operating build electrical distribution above 14,000 feet in elevation equipment for worldwide min- to longwall power centers ing, tunneling and dredging operating underground, along applications that meets the with substations powering standards required and car- TBMs in Europe, Russia, and ries the necessary approvals Canada, Line Power electri- for where it will be installed. cal equipment is in operation Explosion-proof longwall power center From vacuum circuit break- around the world. for underground coal mine in Mexico

Custom-designed controls for a TBM operating in Austria

Underground power center Trailer-mounted vacuum circuit breaker operating in a Canadian mine switch houses operating in copper mines in Peru

7 Primary Substation Feeding Underground Operations Metal-Enclosed Switchgear for Surface Facilities

Portable Substation Feeding Surface Operations Pad-Mounted Switchgear for Surface Facilities Vacuum Circuit Breaker Switch House

Vacuum Section Circuit Breaker Power Center

Main,Line Belt and Pump Power Electrical Equipment Power Centers for Longwall Mining Longwall Headgate, Shearer and Conveyor Disconnect Boxes Longwall Power Centers

Section Power Center

Longwall Control Systems 329 Williams Street • Bristol, VA 24201 (276) 466-8200 • www.linepower.com

Line Power provides total longwall electrical systems from lockouts and pump controls. Line Power can integrate the substation to the face. Line Power longwall systems controls and communications for the shear, supports, up to 25 kV (110 kV BIL,) 15 MVA have been supplying pump and emulsion cars with their manufacturers and test power to longwall faces for years. Line Power longwall the system as a complete unit before it goes in the mine. systems are engineered-designed and MSHA certified for each longwall application. All components are selected for Line Power longwall power centers can be equipped with maximum motor protection, performance and reliability. the patented DTS®-II Downtime Saver feeder circuit protectors that package all the components of a feeder circuit Complete systems include the power centers, explo- in one draw-out drawer. For maintenance, the drawer can sion-tested motor starters and master controls with intrin- be pulled out and repaired or removed and replaced with sically-safe voice communications, signaling, conveyor a spare greatly minimizing unscheduled downtime.

8 Line Power Electrical Equipment Primary Substation Feeding Underground Operations for Surface Mining Metal-Enclosed Switchgear for Surface Facilities

Portable Substation Feeding Surface Operations Pad-Mounted Switchgear for Surface Facilities Vacuum Circuit Breaker Switch House

Vacuum Section Circuit Breaker Power Center

Line Power electrical systems for surface mining take Power single VCBs can be used where grounds need to be you from the utility feed to the mining face, beginning re-established along a cable run. with the substation. Available as walk-in, pad, skid or trailer-mounted designs from 500 kVA to 30 MVA and Line Power junction and splice boxes can be used where Main, Belt and Pump from 15 kV to 128 kV, Line Power portable substations cables need to be repaired or spliced or where cable runs Power Centers are engineered-designed for each application. Optional need to be extended. fold-down towers make transporting the substation from Longwall Headgate,one place to another quick and convenient. Line Power and sister division Federal Pacific also designs Shearer and Conveyor and builds pad-mounted, metal-enclosed, engineered switch- Disconnect BoxesLine Power vacuum circuit breaker switch houses are gear and motor control centers for surface facilities such as MSHA-compliant VCB houses that are dust and water prep plants, office complexes, maintenance facilities, or other tight and feature Line Power’s proven vacuum cir-Longwall fixed facilities that require distribution and control switchgear. cuit breaker(s) with optional features such as manualPower CentersCustom switchgear can be designed and built to retrofit into operation, 125 VDC shunt trip, capacitor trip device existing facilities or machinery, especially where variable and grounded-in-open position with grounding bar. Line frequency drives are being installed in shovels and draglines.

Section Power Center

329 Williams Street • Bristol, VA 24201 (276) 466-8200 • www.linepower.com

Portable Substation Feeding Surface Operations Pad-Mounted Switchgear for Surface Facilities Vacuum Circuit Breaker Switch House

Line Power Electrical Equipment for Conventional, Room and Pillar or Drift Mining

Vacuum Section Circuit Breaker Power Center

Main, Belt and Pump Power Centers

Longwall Headgate, Shearer and Conveyor Disconnect Boxes Longwall Power Centers

Section Power Center

329 Williams Street • Bristol, VA 24201 (276) 466-8200 • www.linepower.com

Line Power has been designing and building electrical formers that meet higher efficiency requirements. Custom equipment for conventional mining operationsAn sinceAmerican 1972. designs for OEMCompany use in electric shovels and draglines and These systems include portable substations, vacuum for retrofitting into existing spaces and applications. LPMF515 circuit breaker switch houses, power centers, pump and © 2015 Electro-Mechanical Corporation belt starters and motor controls along with component The Line Power Rebuild division can repair, refurbish and and replacement parts. rebuild electrical equipment, regardless of the original manufacturer. Modifications and upgrades can be made during Line Power mine-duty transformers are engineered-de- rebuild to bring your equipment up to the latest technolo- signed with the capability for seismic-ratings and trans- gies while maintaining your initial equipment investment.

10 Line Power Electrical Equipment for Tunneling and Dredging

1000 kVA, 1100 VAC, 13,200 volt, 675 kVA substation 50 Hz. TBM Substation mounted on TBM for Nevada water tunnel project

Power Center that mounts to 2000 kVA Open-Type/ the carriage of the TBM Explosion Proof Substation Tranformer cars for TBM

Line Power designs and builds engineered electrical For tunneling contractors, Line Power designs and builds equipment used in tunneling and dredging as both an portable substations, vacuum circuit breaker switch OEM supplier to tunnel boring machine (TBM) and dredge houses and power centers used to power TBMs, pumps manufacturers as well as to tunneling and dredging con- and conveyor systems during the tunneling operation. tractors. For dredge manufacturers, Line Power designs and For TBM manufacturers, Line Power designs and builds builds substations that mount directly on the dredge. substations and power centers that fit limited space and special shaped areas directly on the TBM and as stand- For dredging operations, Line Power designs and builds alone units. These can be open or explosion-proof or a substations that stay on the shore while powering the combination of both. dredge.

11 Primary Substation Feeding Underground Operations From The Utility To The Face Metal-Enclosed Line Power Has The Electrical Equipment Switchgear for For Your Mining Or Tunneling Operation Surface Facilities Portable Substation Feeding Surface Operations Pad-Mounted Switchgear for Surface Facilities Vacuum Circuit Breaker Switch House

Vacuum Section Circuit Breaker Power Center

Main, Belt and Pump Power Centers

Longwall Headgate, Shearer and Conveyor Disconnect Boxes Longwall Power Centers

Section Power Center

329 Williams Street • Bristol, VA 24201 USA (276) 466-8200 • www.linepower.com