10KV KPM83GTD Digital generator transformer differential Protection Relay

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  Protector relay devices is used for protecting equipments from unstable power grid. It integrates protection, telemetry, remote control, and measuremnet, etc. functions.
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  Normally, temperature information of the high low voltage power distribution equipment can directly reflect the operating state, such as the dynamic and static contacts of the circuit breaker, the busbar lap joint, the cable head and other parts, which are critical heating points and not easy to measure.
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KPM83GTD Digital Generator Transformer Differential Protection Relay

KPM83GTD Digital Generator Transformer Differential Protection Device is applicable to the protection, measurement and control of generator and transformer, resistance grounding system and direct grounding system with voltage below 10kV, as well as 2000kW and above asynchronous motors with differential protection. It can be installed on the panel or locally in the switchgear.

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KPM83GTD Digital generator transformer differential Protection Relay 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
Differential quick break trip
Ratio differential trip
Differential current out of limit alarm
PT CT disconnection alarm
CT disconnection locking ratio differential
Under Over threshold protection
Locked rotor protection trip
Negative sequence section I trip, section II alarm trip optional
Non electric quantity protection t emperature rise, over temperature, electrical
accident
System power loss trip

Measurement function:
Uab, Ubc, Uca, Ua, Ub, Uc, Ia, Ib, Ic, P, Q, COS, F, EP+, EP, EQ+, EQ
With 14 channels of remote signal input acquisition
10 relay outlets (including 1 alarm / trip respectively), which can be expanded by 3
Power loss signal of 1 way device
Event SOE record

Communication interface
1 way Ethernet port
1 way 485 port
1 channel B code timing port (also used as the second channel 485
communicati on port)
Communication protocol 103 communication protocol, Modbus RTU protocol

Rated electrical parameters

F requency 50Hz
AC current 5A or 1A r ated current In
AC voltag e 100V o r 57.7V r ated voltage Un
AC / DC working power: AC AC85V~265V 50Hz±0.5Hz Harmonic distortion rate not greater than 15%

DC DC85V~265V Ripple coefficient not greater than 5%

Digital system operating voltage: +5V Allowable deviation ±0.15V
Operating voltage of relay circuit ：+24V Allowable deviation ±2V
Remote measurement metering accuracy:
current , voltage Class 0.2
frequency ±0.01Hz
other Class 0.5