KPM83L 35KV Integrated Digital Line Protection Device

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. 




 

140x140
  • 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..
140x140
  • Protection function:
  • Cut-off acting
  • Over threshold protection
  • Post acceleration
  • Reclose
  • PT disconnection
  • Low-frequency load shedding
  • Power direction
140x140
  • 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
140x140
  • 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
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 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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