Photovoltaic grid-connected interface device TC-3000

       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