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Products Power Protection Release

Electromechanical Type
Over Current & Earth Fault
Model : CDG11/12/13/14/31/33/34
CDG Relays - Disc Type Non Directional IDMT Over Current & Earth Fault Relay

Over Current & Earth Fault
Model : CDG21/23/24/61/63/64
CDG Relays - Disc Type Non Directional IDMT Over Current & Earth Fault Relay
with Instantaneous Unit

Directional Over Current & Earth Fault
Model : CDD21/31/41
CDD Relays - Disc Type DirectionalIDMT Over Current & Earth Fault Relay
Voltage Controlled Over Current

Model : CDV22/62
CDV Relays - Disc Type Voltage Controlled Non Directional IDMT Over Current Relay

Three Pole Definite Time Relay

Model : CTU12/22/32/62

Three Pole Instantaneous Relay

Model : CAG37

Single Pole Instantaneous Relay (Specially Used for Restricted Earth Fault in Transformer

Model : CAG12/14

Numerical Feeder Protection Relay

Model : MiCOM P111/121/122/123
Model : MiCOM P125/126/127
Model : MiCOM P141/142

Protections

  1. 3 Phase IDMT/DMT/INST Over Current & Earth Fault Relay
  2. Directional/Non Directional Over Current & Earth Fault Relay
  3. Negative Phase Sequence
  4. Thermal O/L
  5. Under Current
  6. Under/Over Voltage Relay
  7. Under/Over Frequency Relay
  8. Auto Reclosing

Static Type

Description : Static Type Motor Protection relay

Model : CTMM501/510/401/501

Protections

  1. Short Circuit Over Current & Earth Fault Relay
  2. Negative Phase Sequence
  3. Thermal O/L
  4. Lock Rotor
Description : Numerical Motor Protection Relay

Model : MiCOM P211/220/225/226

Protections

  1. Short Circuit Over Current & Earth Fault Relay
  2. Negative Phase Sequence
  3. Thermal O/L
  4. Lock Rotor/Prolong Start
  5. Under Current
  6. Under/Over Voltage Relay

Static Type

Description : Rotor Earth Fault Relay
Model : VAEM21
VAEM Relays – Rotor Earth Fault Protection for Generators
Description : Negative Phase Sequence Protection

Model : CTNM12/31
CTNM Relays – Negative Phase Sequence Relays

Description : Check Synchronising Relay

Model : SKE11/SKD11
SKE Relays – Static Check synchronizing relay

Description : Sensitive Power Relay

Model : WCDM11/13
WCDM Relays – Sensitive Power Protection for Generators

Description : Field Failure Protection

Model : SKE11/SKD11
YCGF Relays – Field Failure Protection for Generators

Description : Numerical Generator Protection Relay

Model : MiCOM P341/343/345

Protections

  1. Generator Differential
  2. Non Directional Over Current & Earth Fault Relay
  3. Negative Phase Sequence
  4. Under Current
  5. Under/Over Voltage Relay
  6. Under/Over Frequency Relay
  7. Sensitive Earth Fault
  8. Rotor Earth Fault
  9. Field Failure
  10. Reverse/forward/over Power

Description : Transformer Differential Relay

Model : DTH31/32
DTH Relays – Three phase harmonic restraint differential relay

Description : Over Fluxing Relay

Model : GTT21/GTTM22
GTT Relays – Definite Time/Inverse time Over Fluxing relay

Description : MIDOS Case type Static Biased Differential Relay

Model : MBCH12/13
MBCH Relays – Two/Three Winding Transformer Biased Differential relay

Description : Numerical Transformer Protection Relay

Model : MiCOM P631/632/633/634
Model : MiCOM P630C

Protections

  1. Differential
  2. Non Directional Over Current Protection
  3. Restricted Earth fault Protection
  4. Under/Over Voltage Relay
  5. Under/Over Frequency Relay
  6. Over Excitation Protection
  7. Thermal Over Load Protection
  8. Breaker Failure
Description : Numerical Voltage Regulating Relay

Model : KVGC202

Supervision & Monitoring

  1. Runaway Protection
  2. Under/Over Voltage Detection & Blocking
  3. Over Current Detection
  4. Tap Position Indication
  5. Tap Changer Maintenance
  6. Tap Changer Failure Mechanism

Description : Numerical Distance Protection Relay

Model : MiCOM P441/442/444
Protections

  1. 5 zones Distance Protection for Phase & Ground
  2. Directional/Non Directional Over Current & Earth Fault Relay
  3. Directional/Non directional Negative Phase Sequence
  4. Power swing blocking
  5. Under/Over Voltage Relay
  6. Auto reclosing
  7. Thermal Over Load
  8. Check Synchronizing
  9. Directional Zero Sequence Protection
  10. Out of Step Tripping

Description : Numerical Busbar Protection Relay

Model : MiCOM P741/742/743

Protections

  1. High Speed Busbar Differential Protection
  2. Sensitive Earth fault current controlled Busbar Protection
  3. Phase Over Current & Earth fault
  4. Dead Zone Protection
  5. CT Supervision
  6. Breaker Failure

Electromechanical Type

Description : Over Voltage & Under Voltage

Model : VDG11/13
VDG Relays - Disc Type IDMT Over / Under Voltage Relay

Description : Neutral Voltage Displacement Relay

Model : VDG14
Disc Type Inverse time neutral Displacement Relay

Description : No Voltage/Over Voltage / Under Voltage

Model : VAG11/21
VAG Relays - Static Type No/ Over / Under Voltage Relay

Description : Instantaneous Over Voltage / Under Voltage

Model : VAGM22
VAGM Relays – Instantaneous Static Over / Under Voltage Relay

Description : Definite Over Voltage / Under Voltage

Model : VTUM21/61
VTUM Relays – Definite TIme Over / Under Voltage Relay

Description : Numerical Voltage & Frequency Protection Relay

Model : MiCOM P921/922/923/941/943

Protections

  1. Under/Over Voltage Relay
  2. Under/Over Frequency Relay
  3. Residual Over Voltage
  4. Negative Sequence /Positive Sequence Over Voltage
  5. Rate of change of Frequency


Description : Voltage Operated Auxiliary Relay

Model :
VAA 11/21/31/41/51/61/81/121/12/22/32/13/23/33
Voltage Operated single/double/triple element auxiliary relays



Description : Voltage Operated Tripping Relay

Model : VAJH13/23
Model : VAJS13/23
Model : VAJHM13/23/33/53
Voltage Operated single/double/triple element High speed tripping relays

Description : Voltage Operated Trip Circuit Supervision Relay

Model : VAX21/31
Voltage Operated Trip Circuit Supervision relays

Description : Static Delay ON/OFF Time Relay

Model : VTT11/VTT12
VTT Relays – Static Delay ON/OFF time relay