EE-301T (AVR With TPI)

Automatic Voltage Regulating Relay : EE-301T

Emco Electronics’ Solid State Voltage Regulating Relay Type EE 301-T is used for regulating the secondary voltage of power transformer with on-load tap changer . The required dead-band settings are set by setting the Nominal value and L & R levels independently. The Time Delay setting on the front panel eliminates the relay operations for momentary fluctuations of the regulated voltage, thus reducing the number of operations of the tap changer.


  • Self Test facility
  • Solid State Circuitry
  • Separate Nominal value and Bandwidth settings
  • Continuously adjustable time delay setting
  • Automatic resetting after Voltage correction
  • Single pulse operation of control relays
  • Control fail alarm contacts with internal blocking
  • Under voltage, Over voltage alarm contacts with internal blocking
  • Built in Tap Position Indicator up to 35 taps(optional)


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