Protection
functio
n
Overheating protection
v
Post acceleration
v
Reclose
v
PT disconnection
v
v
v
v
Discharge PT overvoltage
v
Non-electrical protection
v
v
v
Low-frequency load shedding
v
Power direction
v
Ratio Difference Protection of
Second Harmonic Braking
v
v
CT break detection and blocking
function
v
v
Fault Recording
v
Long startup time protection
v
Charge protection
v
v
Insulation monitoring
v
v
Control loop disconnection
Measureme
nt
function
Circuit breaker remote control
split output signal
v
v
v
v
v
IA,IB,IC,UA,UB,UC,Ia2,Ib2,Ic2,U
0, I0,P,Q,F,cos Φ,etc
v
v
v
v
Iah,Ibh,Ich,Ia1,Ib1,Ic1
v
Unbalanced current real-time
display
v
-2-
