Photovoltaic grid-connected interface device TC-3000: network relay protection (with anti-island and fault disconnection functions), measurement and control and operation;On-line monitoring of power quality at connecting points;RS485 communication interface;
Protection function:
1.Three-stage overcurrent protection with directional and repressure locking
2.A zero sequence overcurrent protection
3.Overload protection
4.Two-stage low voltage protection
5.Two stage overvoltage protection
6.Two-stage low frequency protection
7.Two-stage high frequency protection
8.Reverse power protection
9.It has the function of anti-islanding protection and fault disassembly