NK Technologies AGV Series Current Sensors for Power Monitoring

The AGV series has the unique ability to detect faults to earth on the load side of a variable frequency drive. The carrier or switching frequency of the drive presents a difficult challenge: The fault current will be detected at the base frequency, which determines the motor speed. While many Variable Frequency Drives have ground fault detection built-in, the detection level is the same as the overcurrent limit. That approach will shut down the drive but only after considerable damage to the motor has occurred.

AGV Series

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  • AGV Ground Fault Relay
    AGV Ground Fault Sensor

    NK Technologies

    AGV Series Ground Fault Relay helps protect products and processes from damage caused by ground fault conditions by monitoring all current-carrying conductors in grounded single- and three-phase delta or wye circuits. The AGV series has the unique...
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