GE Fanuc WESDAC D20ME II Multi-function Substation Controller

• Data Collection and Monitoring: It has high-precision data collection capabilities, capable of real-time monitoring of various electrical parameters within the substation, such as voltage, current, power, frequency, etc., with a sampling accuracy of up to 0.2% to ensure data accuracy and reliability. It supports real-time monitoring of the status of devices such as circuit breakers and disconnectors, and can promptly capture abnormal device signals, providing accurate operation information for maintenance personnel.​

• Protection and Control: It is equipped with multiple protection functions, including overcurrent protection, overvoltage protection, undervoltage protection, differential protection, etc. The protection action time can be completed within a few milliseconds, which can quickly isolate the fault area and ensure the safe and stable operation of the power system. At the same time, it can realize remote control of 站内 equipment according to preset logic, such as switch opening and closing operations, transformer tap adjustment, etc., improving the substation automation control level.​

• Event Recording and Analysis: It has a large-capacity event recording function, which can record various events such as device actions and fault occurrences with a resolution of 1ms, and can completely restore the event occurrence process. It supports in-depth analysis of historical data, helping maintenance personnel quickly locate the cause of faults and optimize maintenance strategies.​

• Communication Capabilities: It is equipped with rich communication interfaces, including Ethernet interfaces, serial ports (RS - 232/RS - 485), etc., and supports multiple communication protocols, such as IEC 61850, Modbus, DNP3, etc. It can achieve seamless communication with substation monitoring systems, dispatching centers, and other intelligent devices, meeting the networking requirements of different power systems.​

• Software Programmable: It adopts an open software platform and supports IEC 61131 - 3 standard programming languages, such as Ladder Diagram (LD), Structured Text (ST), etc. Users can flexibly write control logic and protection strategies according to actual needs, facilitating system function expansion and customized development.​

• Redundant Design: It supports dual - machine hot standby redundant configuration. When the main controller fails, the standby controller can switch seamlessly within 200ms, ensuring the uninterrupted operation of the system and greatly improving the reliability and availability of the system.​

• Working Environment: The operating temperature range is - 40°C to 70°C, and the relative humidity is 5% - 95% (non - condensing). It has excellent anti-vibration, anti-shock, and anti-electromagnetic interference capabilities. It has passed strict EMC tests and can adapt to harsh outdoor substation environments.​

• Installation Method: It adopts a standard rack - mount installation design, which can be easily installed in the substation control cabinet. It has a compact structure, takes up little space, and is convenient for system integration and maintenance.​

• Power Adaptability: It supports wide - range power input, AC/DC 85 - 264V, and is also equipped with a power surge protection function, effectively resisting the impact of grid voltage fluctuations and electromagnetic interference on the equipment and ensuring the stable operation of the equipment.​

• Substation Automation: As the core device of the substation automation system, it realizes comprehensive monitoring, protection, and control of substation equipment, helping to build intelligent substations and improve substation operation efficiency and management level.​

• Distribution Network Optimization: Applied in the distribution network, it can monitor the operation status of the distribution network in real time, quickly locate and isolate fault sections, shorten the power outage time, and improve power supply reliability and power quality.​

• Microgrid Control: In the microgrid system, it coordinates the control of distributed power sources, energy storage devices, and loads, realizes the stable operation of the microgrid and optimal energy management, and promotes the efficient utilization of renewable energy.​

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