GC6000 distribution automation terminal is suitable for open loop or closed loop operation of distribution network lines with voltage levels of 20kV and below. Through peer-to-peer communication between devices, it can meet the network distributed in place function, quickly locate the fault, isolate the fault, and restore power supply, greatly shortening the time of fault isolation and restore power supply, fault isolation time to milliseconds, and non-fault area self-healing time to seconds.
The intelligent distributed mode can realize automatic fault isolation and self-healing of ring network lines and automatic fault cutting and isolation of branch lines. It is suitable for both cable line and overhead line. It can be used with circuit breaker and load switch. It is suitable for both small resistance grounding system and arc extinguishing coil grounding system. It can not only realize FA of network feeder in situ automation from distribution automation master station, but also realize automatic fault isolation and self-healing in centralized mode with distribution network automation master station, and realize automatic fault location.
Working range and accuracy
protection current: AC 0 a ~ 100 a
measurement: current AC 0 ~ 6 a a
zero sequence current, AC 0 a ~ 100 a
AC voltage: AC 0 v to 450 v
DC voltage, DC 0 v to 150 v
current/voltage measurement accuracy: 0.5 on the Richter scale are unlikely
protection current/voltage protection: precision grade 3 p
active power, reactive power, power factor measurement accuracy 0.5 frequency measurement accuracy is not more than + / - 0.02 Hz
dc voltage measurement accuracy: 0.5 or less
SOE resolution: 2 ms or less
Power distribution automation terminal functions: conventional protection, voltage type function, intelligent distribution, data collection function, event recording function, control function, communication function, fault recording and fault wave recording function, other protection functions.
Conventional protection includes: three sections of overcurrent protection, acceleration after overcurrent, two sections of zero sequence overcurrent protection, zero sequence acceleration after speed, three phase double reclosing.
Voltage-type feeder automation function:
1: Protection logic based on voltage time type: loss of voltage switching, bus/line side with pressure closing, bus /
Line side contact voltage loss closing.
2: Protection logic based on voltage current type and time type: voltage loss switching, bus/line side voltage closing,
Bus/line side contact loss voltage closing, closing to overcurrent fault trip, closing to zero current fault trip, closing to zero voltage fault trip.
Distribution automation terminal with ABB products, Schneider products, Siemens products, ring network cabinet, inflatable cabinet, cabinet, XGN15-12 type is widely used in the field of medium voltage distribution, intelligent ring network distribution, power plants, wind power, hospitals, airports, subways, sports centers, shopping centers, industrial and mining enterprises. Can meet three/four remote, requirements.