


Product Overview: GWZC-9000 Busbar Protection Panel provides comprehensive protection for electrical busbars against various faults, ensuring system stability. Features differential protection function, configurable settings, and support for Modbus RTU, IEC61850(Optional). Installs in substation control rooms for power system busbar protection in transmission and distribution networks.
Product functions(ANSI):87 | 50BF | 50BF | 50 | 60 | 60 | 60 | 50 | 27
Communication functions: IEC61850 | IEC 60870-5-103 | MODBUS RTU | 3× Ethernet Ports | 3× RS-485
Introduction : The Fault Recorder Panel (FRP) serves as the “black box” of power systems, capturing real-time voltage/current waveforms and digital signals during faults to provide critical data for fault analysis and protection verification. (ANSI 21)
Communication protocols : IEC 60870-5-101/103/104 ,IEC 61850(MMS/GOOSE/SV), Modbus RTU & Modbus TCP,RJ-45 , RS-485
Application Scope : The Power Measurement and Control Panel is a key substation automation device. It monitors and controls auxiliary equipment (like DC systems, station power, fire protection), featuring data acquisition, communication, alarms, and IEC 61850-compliant remote control.
Product functions(ANSI):60 | 59N | 25 | 59 | 50/51 | 50N/51N | 94
Communication protocols : IEC 60870-5-101/103/104 ,IEC 61850(MMS/GOOSE/SV), Modbus RTU & Modbus TCP,RJ-45 , RS-485
Application Scope : The GWZC-9000 low-frequency and low-voltage load shedding panel is a critical protection device in power systems. It automatically sheds non-essential loads according to preset sequences when system frequency or voltage abnormally drops, preventing system collapse.
Product functions(ANSI):827 | 59 | 81U | 81O | 60
Communication protocols : IEC 60870-5-101/103/104 ,IEC 61850(MMS/GOOSE/SV), Modbus RTU & Modbus TCP,RJ-45 , RS-485
Application:Used in PV plants, substations, power plants, and power automation systems for protocol conversion, data acquisition, and transmission.
Protocol Conversion: Supports mutual conversion and uplink of Modbus, IEC 103/104, IEC 61850, and TCP/IP.
Data Handling: Acquires data from protection relays/power meters, converts it to SCADA/dispatch-compliant protocols, and transmits to master stations/dispatch systems.
Application Scope : The GWZC-9000 main transformer protection control panel is designed for the protection and control of medium to large capacity main transformers with voltage levels of 11kV, 33kV, 69kV, 115kV,132.
Product functions(ANSI):87H | 87 | 87A | 60 | 50/51 | 51 | 50N/51N | 51N | 49 | 50G/51G | 38/74 | 59 | 59N | 27 | 74 | 60 | 27/81U | 27/81L | 30 | 71G | 26/49 | 63 | 38
Product Overview : The GWZC-9000 generator protection panel is mainly used for the control and protection of hydroelectric units, gas turbine units, biogas units, and large diesel generator sets.
Product functions(ANSI):87H | 87 | 87A | 49 | 50/51 | 51 | 49 | 46 | 50N/51N | 40 | 32 | 81O/81U | 59/27 | 59N | 64S | 60 | 27 | 27/81U | 74 | 50N/51N | 50G/51G
Product Components : GWZC-9884 Generator Differential Protection Relay | GWZC-9885 Generator Rotor Earth Fault Protection Relay | GWZC-9886 Generator Backup Protection Relay | Panel and accessories