E SQUARED POWER SYSTEMS INC.
Electrical Engineering & Field Services

GENERATOR CONTROL &

PROTECTION SYSTEMS MAINTENANCE

can evaluate your problem; consult with you on solutions; test your equipment; maintain your system; train your maintenance personnel; and, if needed, help you retrofit key components to your existing system.

[see Retrofits and Upgrades]

The Maintenance Program will provide greater reliability through the full load capabilities of your generating system, enhance unit performance, improve in-house system troubleshooting ability and help reduce overall O&M costs.

recommends the following maintenance services directed to the specific Generator Control & Protection Systems at your site:

• Component Inspection, Cleaning & Testing    

• Protective Relay Calibration
• Auto Synch / Synch Check System Calibration
• Unit Trip Test
• Meter and Transducer Calibration
• Control Sequence Checks
• 52G Generator Breaker Mechanical Checks
• 41E Field Breaker Mechanical Checks
• Generator PI Testing
• Generator Power Factor Insulation Testing
• CT & PT Signal Transformer Tests
• Neutral Grounding Transformer Tests

• Excitation Transformer Tests

• V-Reg Dummy Load Simulation/Operational Tests
• Excitation System Tune-up - Stability, Range, Gain
• Protection Module (64F, 59E, Field OC, etc.) Tests
• Limiter Proof Tests (Max Ex, Min Ex, V/Hz, etc.)
• Power Rectifier Bridge Tests, including Waveform Analysis
• Generator performance Testing
• System "Hands-On" Refresher Training   [see Training]
• Appraisal Report - System Settings, Data, Summary & Recommendations

has had direct field experience on Generating Units ranging from 70 Kilowatts through 1,300 Megawatts.  has provided demonstrated expertise on the maintenance & troubleshooting of the following Generator Control & Protection Systems associated with those machines:

• Frame 5, 6, 7 & 9 Gas Turbines with:
  • GE Type SCT-PPT Static Excitation Systems (Frame 5 & 7)
  • GE Type Potential Source Excitation Systems
  • GE Type Shunt SCR Potential Source Static Excitation System
  • GE Type EX2000 Digital Static Excitation Systems (Frame 5 & 7)
  • GE Type DS3820SVR Voltage Regulator Systems (Frame 5)
  • GE Type 3GFA Carbon Pile Voltage Regulator Systems (Frame 5)
  • Basler Type SSE Static Excitation Systems (Frame 5 & 7)
  • Basler Digital DECS-300 / SSEN Static Excitation Systems (Frame 5 & 7)
  • Basler Type DECS-300 V-Reg on GE Type SCT-PPT Static Excitation Systems (Frame 5 & 7)

  • GEC-Alsthom Static Excitation System (Frame 5)

  • Hitachi Type HIGEX Static Excitation System

• 251 & 501 Gas Turbines with:

  • Westinghouse Type POWERTREX (PRX) Voltage Regulator System

• LM2500 & LM5000 Gas Turbines with:

  • GE Type Potential Source Excitation Systems

• Steam Turbines with:

  • GE Type ALTERREX Static Excitation Systems

  • GE Type ALTHYREX Static Excitation Systems

  • GE Type GENERREX Static Excitation Systems

  • GE Type SCT-PPT Static Excitation Systems

  • GE Type SCPT Static Excitation Systems

  • GE Type AMPLIDYNE Voltage Regulator Systems

  • GE Type DS3820SVR Voltage Regulator Systems

  • GE Type 3S7930SA SCR Voltage Regulator Systems

  • GE Type 3GFA Carbon Pile Voltage Regulator Systems

  • Siemens Type EX-1 Static Excitation Systems

  • Basler Type SSE Static Excitation Systems

  • Basler Digital Type DECS-300 / SSEN Static Excitation Systems

  • Basler Type SR8A Voltage Regulator Systems

  • Westinghouse Type WTA Static Excitation Systems

  • Westinghouse Type POWERTREX (PRX) Excitation Systems

  • Westinghouse Type WMA Excitation Systems

  • Westinghouse Type MAGASTAT Excitation Systems

  • Westinghouse Type BJ-30 Voltage Regulator Systems

  • Westinghouse Type SILVERSTAT Voltage Regulator Systems

  • Westinghouse Type ROTOTROL Voltage Regulator Systems

  • GEC-Alsthom Voltage Regulator

  • Allis Chalmers Type REGULEX Excitation Systems

• P&W Twin Pac Gas Turbines with:

  • EM Type Voltage Regulator Systems

  • Basler Type DECS-15 Digital Voltage Regulator Systems

• Diesel Turbines with:

  • EMD Vickers Type Excitation Systems

  • Basler Type SR4A / SR8A / SSR Voltage Regulator Systems

• Hydroelectric Turbines with:

  • GE Type Potential Source Static Excitation systems

  • GE Type 3S7930SA SCR Voltage Regulator Systems

  • Basler Type SSE Static Excitation Systems

  • Basler Type SR4A / SR8A Voltage Regulator systems

  • Siemens Type EX-1 Static Excitation System

• Protective Relay Systems including:

  • General Electric Electro-Mechanical Relays

  • General Electric Solid-State Relays

  • General Electric Generator Multifunction Protection Modules

  • Beckwith Electric Generator Multifunction Protection Modules

  • Basler Electric Solid-State Relays

  • Basler Electric Generator Multifunction Protection Modules

  • Basler Electric Multifunction Overcurrent Protection Modules

  • Basler Electric Multifunction Differential/OC Protection Modules

  • Schweitzer Engineering Multifunction Overcurrent Protection Modules

  • Schweitzer Engineering Multifunction Differential Protection modules

  • Schweitzer Engineering Multifunction Generator Protection Modules

  • Westinghouse / ABB Electro-Mechanical Relays

  • Westinghouse / ABB Solid-State Relays

  • Toshiba Electro-Mechanical Relays

• Automatic Synchronizing Systems including:

  • General Electric Electro-Mechanical auto Synch & Synch Check Relays

  • Beckwith Electric M0193 / M0194 Generator Control & Auto Synch Module

  • Beckwith Electric M0188 Solid-State Synch Check Relays

  • Basler Electric Type BE1-25A Automatic Synchronizing Module

  • Basler Electric Type BE1-25 Solid-State Synch Check Relay

Consider as the support source for all of your GENERATOR CONTROL & PROTECTION SYSTEMS MAINTENANCE requirements.  Services are available nationwide and internationally.

Copyright ©2004 E Squared Power Systems Inc. All rights reserved.