Differential Protection Control And Metering Device

Backed by a team of diligent experts, we have been able to provide a wide range of Differential Protection Control and Metering Device in Ahmedabad, Gujarat, India.

IEC 61850 complied IDV differential protection relays are designed to provide reliable and secure protection for both internal faults and faults occurring within the CTs zone in power transformers, autotransformers, reactances and rotating machines.

Protection Functions

Three-Phase Differential with Percentage and Harmonic Restraint
Instantaneous Three-Phase Differential without Restraint
Fault Detector
External Fault Detector
Restricted Earth Faults
Phase Instantaneous Overcurrent
Phase Time Overcurrent
Ground Instantaneous Overcurrent
Ground Time Overcurrent
Negative Sequence Instantaneous Overcurrent
Negative Sequence Time Overcurrent
Ground Instantaneous Overcurrent (measurement ground channel)
Ground Time Overcurrent (measurement ground channel)
Phase Instantaneous Overcurrent with Harmonics Restraint for the Tertiary
Voltage Dependant Instantaneous Overcurrent
Voltage Dependant Time Overcurrent
Ground Directional Overcurrent polarized by current
Winding Thermal Image
Ground Thermal Image
Phase Undervoltage
Phase Overvoltage
Ground Overvoltage (measured VN)
Overfrequency
Underfrequency
Frequency Rate of Change
Load Shedding
Overexcitation
Breaker Failure
Cold Load
Ground Distance Protection
Phase Distance Protection
Phase Overcurrent for Distance Supervision
Load Encroachment
Fuse Failure Detector