JNV 026 measures and displays three-phase voltages (R, Y, B phases). It operates the percentage of the unbalance voltage and if it exceeds the set unbalance voltage, the relay operates after the runtime has elapsed. An undervoltage fault will be detected when the voltage on any phase is lower than the undervoltage limit set, the relay operates after the running time has expired. An overvoltage fault is detected when the voltage on any phase is greater than the overvoltage limit set, the relay operates after the overvoltage time has elapsed. The neutral pressure is detected when the neutral is disconnected.
Features:
Software-based design
Trips on neutral snap
Programmable / active installation
Programmable nominal voltages
Wide delay setting range
Application:
JNV 026 is a digital unbalance voltage relay with under voltage (UV), overvoltage (OV) and neutral that is used for three-phase systems, etc.
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