KPM83L 35KV Integrated Digital Line Protection Device

KPM83 series Integrated Digital Line Protection Device realizes the protection, measurement and control functions of circuits, transformers, capacitors and motors under the voltage level of 35KV and monitoring of voltage transformers, back- up battery automatically switching, etc.

It is suitable for substations, power plants, industrial and mining enterprises, construction and other fields with voltage levels up to 35KV. It has protection, telemetry, remote measurement, remote adjustment and remote control functions to achieve full control and management.

Features

Functions of KPM83L 35KV Integrated Digital Line Protection Device

Main features:
Multi-tasking operating system, modular programming; good real-time performance and
high reliability for Digital Line Protection Device
Standard communication protocol for easy communication with PC monitoring or gateway.
Complete circuit breaker operation loop, setting the remote control function of the circuit
breaker.
Protection and measurement and control integration, single device interval complete main
function..

Protection function:
Cut-off acting
Over threshold protection
Post acceleration
Reclose
PT disconnection
Low-frequency load shedding
Power direction

Measurement function:

Circuit breaker remote control split output signal
IA,IB,IC,UA,UB,UC,Ia2,Ib2,Ic2,U0, I0,P,Q,F,cos Φ,etc

Accuracy
Analog value measurement error ≤±0.2%
Power measurement error ≤0. 5%
Digital input voltage 220V resolution is no more than 2ms
Pulse input voltage 24V pulse width is not less than 10ms

Model Function		KPM	KPM	KPM	KPM	KPM	KPM	KPM	KPM	KPM
Model Function		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					√
	Voltage extraction	√
	Short circuit protection					√
	Overheating protection					√
	Post acceleration	√
	Recloser	√
	PT disconnection	√	√		√			√
	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 disconnection									√
	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				√

KPM83L user manual

Jan 01,70

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