35KV three phase digital earth leakage current protection alarm power protection relay
KPM83 35KV three phase digital earth leakage current protection alarm power protection relay
KPM83 series digital earth leakage current protection alarm power protection relay is based on high-performance DSP processor and embedded real-time operating system, it is a protection and monitoring devices that integrated protection, monitoring and control, communications.
It is suitable for substations, power plants, industrial and mining enterprises, construction and other fields with voltage levels up to 35KV. It has such functions as protection, telemetry, remote mains, remote adjustment and remote control to achieve full control and management of it. , we can provide line protection and monitoring and control, transformer protection and control, motor protection and control, PT protection and control, capacitor protection and control, spare power source automatic throw-in device coupler protection and other product types.
| Model Function |
KPM | KPM | KPM | KPM | KPM | KPM | KPM | KPM | KPM | |
| 83L | 83T | 83TD | 83C | 83M | 83MD | 83P | 83B | 83U | ||
| Protection function |
Quick-break | √ | √ | |||||||
| Differential quick-break protection | √ | √ | ||||||||
| Over-current I | √ | √ | √ | √ | √ | |||||
| Over-current II | √ | √ | √ | √ | ||||||
| Negative sequence over-current I | √ | |||||||||
| Negative sequence over-current II | √ | |||||||||
| Inverse time overcurrent | √ | |||||||||
| Zero sequence overcurrent | √ | √ | √ | √ | √ | |||||
| Unbalanced zero sequence over-current | √ | |||||||||
| Overload | √ | √ | √ | |||||||
| Inverse time overload | √ | |||||||||
| Overvoltage protection | √ | √ | √ | |||||||
| Zero sequence overvoltage | √ | √ | ||||||||
| Unbalanced zero sequence overvoltage | √ | |||||||||
| Low voltage protection | √ | √ | √ | |||||||
| Low voltage protection I | √ | |||||||||
| Low voltage protection II | √ | |||||||||
| Low voltage inverse time zero sequence | √ | |||||||||
| Voltage takeoff | √ | |||||||||
| Short circuit protection | √ | |||||||||
| Overheating protection | √ | |||||||||
| Post acceleration | √ | |||||||||
| Reclosing | √ | |||||||||
| PT disconnected | √ | √ | √ | √ | ||||||
| Discharge PT overvoltage | √ | |||||||||
| Non-electrical protection | √ | √ | √ | |||||||
| Low-frequency load shedding | √ | |||||||||
| Power direction | √ | |||||||||
| Ratio Difference Protection of Second Harmonic Braking | √ | √ | ||||||||
| CT break detection and blocking function | √ | √ | ||||||||
| Fault Recording | √ | |||||||||
| Long startup time protection | √ | |||||||||
| Charge protection | √ | √ | ||||||||
| Insulation monitoring | √ | √ | ||||||||
| Control loop disconnected | ||||||||||
| Measurement function |
Circuit breaker remote control split output signal | √ | √ | √ | √ | √ | ||||
| IA,IB,IC,UA,UB,UC,Ia2,Ib2,Ic2,U0, I0,P,Q,F,cosΦ,etc | √ | √ | √ | √ | ||||||
| Iah,Ibh,Ich,Ia1,Ib1,Ic1 | √ | |||||||||
| Unbalanced current real-time display | √ | |||||||||
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