Power Generation

EMC has over 50 years of experience providing electrical and mechanical services to Fossil and Hydro Power Generation customers, with a wide range of needs. Whether it be utility, industrial or government; we can provide in place generator rewinds and in shop total rebuilds and upgrades; for all of your complex electrical and mechanical equipment. As part of EMC’s growth and progress to provide the best Services to our power generation customers, we have a dedicated Pump Repair Facility at our Chesapeake Campus. EMC has Engineering staff; combined with our state of the art facilities and field service capabilities to maintain your equipment needs.

Power Generation Services Comprehensive Capabilities

Electric Motor Services

  • Rewinding up through 13,200 Vac. Using epoxy vacuum pressure impregnation (VPI – 12' Diameter Tank) on all form wound motors through 7KV and B-stage hot pressed coils above 7KV
  • Comprehensive machining for shaft repair/replacement, bearing housing repairs, complete internal horizontal and vertical alignment
  • Dynamic balancing of rotating components, typically to ISO 1940 standards G2.5 and 1.0
  • Replacement of stator laminations with low loss, laser cut laminations
  • Rebuilding of squirrel cage rotors, including rotor bar replacement, laminations, replacement and in some cases, complete new rotor manufacturing
  • Upgrades of existing motors, such as rewinding for increased HP or changing bearing design/configuration for optimum vibration reliability
  • Full voltage no load testing of all motors up through 18,000HP @ 13.2KV
  • IEEE 429/NEMA MG-1 Water Submergence test approved on VPI coils
  • Dynamometer full load testing up to 2500HP
  • Large motor disassembly, reassembly and testing stands
  • 50,000 square foot, 3 story high ceiling bay
  • 60 ton crane capacity with a 60 foot hook height
  • Dynamic balancing to 12.5 tons
  • 3.75 MVA power supply with 13.8 KV capability
  • Burnout and bake oven
  • Vertical and horizontal lathes
  • Service Level 1 coatings

Mechanical Services

  • Vertical and horizontal pump repair
  • Casing repair and re-machining
  • Custom design, re-design and machining
  • Rotating equipment repair and manufacturing
  • New stator and rotor fabrication
  • Specialty coating services
  • Repair and manufacturing of Babbitt bearings
  • Lathes up to 63" x 28" Center to Center
  • Vertical Boring Mill up to 7' x 7' x 5' Cube
  • Vertical Turret lathe with 10' rotating bed
  • Non Destructive testing

Pump Services

  • Inspection, Troubleshooting and problem solving
  • Turnkey pump removal, transportation, installation, alignment and start-up
  • Vibration analysis and laser alignment
  • Field Machining
  • Complete disassembly, cleaning and inspection
  • Comprehensive repairs including remanufacturing OEM parts and components to original or better than original materials specifications
  • CMM aided reverse engineering
  • Precision dynamic balancing of individual components and rotating assemblies
  • Modernization and upgrades including new shafts, bearings, impellers and wear ring materials
  • Modernization, repair and upgrades of connected equipment including gearboxes, couplings and motors
  • In house media blasting
  • Non-destructive testing, including liquid dye penetration, mag particle and ultrasonic
  • Engineered coating systems for improved service life and efficiency
  • Certified weld program and welders

Switchgear Testing, Repair & Overhaul

  • Inspection, Troubleshooting and problem solving
  • Turnkey pump removal, transportation, installation, alignment and start-up
  • Vibration analysis and laser alignment
  • Field Machining
  • Complete disassembly, cleaning and inspection
  • Comprehensive repairs including remanufacturing OEM parts and components to original or better than original materials specifications
  • CMM aided reverse engineering
  • Precision dynamic balancing of individual components and rotating assemblies
  • Modernization and upgrades including new shafts, bearings, impellers and wear ring materials
  • Molded case circuit breakers
  • Switchgear and circuit breakers (air & vacuum) up to 15 KV
  • Protective relay and instrument testing
  • Replacement breakers and pans (new and obsolete)
  • Turnkey projects – Switchgear/Transformers
  • Start-up services and training

Field Services – Electrical

  • Contracting: Master Electrician
  • Engineering: Process design, electrical design, estimating and field management
  • Preventive and predictive maintenance
  • Motor testing
  • Infrared thermography
  • Troubleshooting: Motors, Generators, Controls, etc.
  • Authorized Service Center for Toshiba variable speed drives

Field Services – Mechanical

  • Vibration analysis: Monitoring trending and analysis
  • Laser alignment
  • In-place dynamic balancing
  • Mechanical troubleshooting: Pumps, gearboxes, turbines, shafts and spindles
  • On-site equipment repairs, removals and reinstallation

Relay Testing

  • Testing and calibration of electromechanical and electronic protective relays
  • Design and install retrofits of older protection schemes to new microprocessor based protection relays

Full Substation Testing, Service & Repair

  • Power circuit breakers, SF6 gas, Vacuum and oil breakers to 230 KV
  • Voltage regulators, tap changers
  • Control systems (functional testing)
  • Acceptance testing, start-up
  • Ground grid testing
  • KWH meter testing

Storage Capabilities

  • Climate controlled storage facility
  • Monthly preventative maintenance performed on stored customer equipment