Protective Relays

  - Clear Faults

  - Relieve Stress

  - Restore Power

  - Preserve System

    Generator protection systems

    Programmable numerical protection system 

    Motor protection systems

 

Voltage Regulators

Analog and digital versions

Retrofit for replacing Westinghouse Silverstat voltage regulators.

Retrofit for replacingthe SR4A and SR8A voltage regulators, for generators ranging from 250 kW to 7 MVA.

Retrofit for replacing Electric Machinery VR voltage regulators.

Retrofit for replacing BRUSH model MAVR voltage regulator 

Remote display panels for Voltage Regulators metering, ststus and alarms

 

Excitation

Negative Forcing Digital Excitation Control System.

Digital excitation control system for controlling the output of brushless excited synchronous generators up to 5MW.

Digital Excitation Control Systems

Pre-packaged retrofit solution for use on small to medium size synchronous machines with brush or brushless type rotating exciters.

Our static exciter regulators can replace any number of various rotating exciter types such as:

Amplidynes, Rototrols, Regulexes, Alterrex

Water Wheel Turbine Exciters 

Pilot/Main Exciters 

Buck-Boost Differential Exciters

SMC Synchronous Motor Controllers

Replacements for:

Alterrex

Amplidyne on 

mag-a-stat  

SCT-PPT

Siemens Allis 

WTA