WKS-ECMS2000 power plant electrical monitoring and management system.

Suzhou Wanlong Group Co., Ltd. developed the "WKS-ECMS2000 power plant electrical monitoring and management system" for power plants, which is used to realize the monitoring and management of the entire power plant electrical system. The system takes ST3000 series communication controller as the core, communication network technology as the link, and on the basis of on-site intelligent protection, measurement and control terminal equipment to realize the intelligent operation, monitoring, management and maintenance of the electrical system of the power plant. It has the functions of operation protection, measurement, control, monitoring, alarm, recording, analysis, fault diagnosis and equipment maintenance, etc, and with DCS, plant-level management information system (MIS), plant-level production monitoring information system (SIS) and other systems to achieve data resource sharing. It greatly enriches the information data of electrical monitoring and management, simplifies the system structure, improves the reliability and maintainability of the system, reduces the cost of electrical monitoring and management system, and can save more than 20% of the initial investment and operation and maintenance costs compared with the traditional scheme.

System Features

1, the use of all digital signal transmission, the system structure is simple, strong anti-interference ability.
2. The decentralized arrangement of intelligent protection measurement and control terminals minimizes the potential safety hazards caused by centralized monitoring. The failure of any network node will not affect the stable operation of other equipment, and even network paralysis will not bring a fundamental problem to the stable operation of equipment. The impact greatly improves the reliability of the system.
3, with network diagnosis, fault location, system analysis, maintenance and operation simulation and other expert systems.
4. The system adopts real-time, open and distributed system middleware platform, supports a variety of standard fieldbus protocols and data interfaces, and has good openness (such as Profibus-DP, CAN, DeviceNet, Modbus-RTU, CDT, 101/103, DL/T645, OPC, etc.).
5. It has data interfaces such as Modbus Server, OPC Server, Profibus-DP Slave, ODBC data source, etc. to realize interconnection with third-party systems.
6. Support user configurable sequence control strategy function.

system composition

"WKS-ECMS2000 power plant electrical monitoring and management system" is a typical three-tier equipment two-tier network structure. It is divided into station control layer, communication management layer and interval layer. Data transmission is realized between station control layer and communication management layer through TCP/IP Ethernet, and standard field bus network connection is adopted between communication management layer and interval layer.
The auxiliary power electrical monitoring and management system of WKS-ECS2000 power plant can realize data sharing with other systems (DCS, SIS, MIS, NCS, etc.) through data interface (OPC Server, Modbus Server, 101/103 Server, Profibus-DP Slave, ODBC, etc.).

1. Station control layer
The station control layer is the monitoring and management center of the WKS-ECMS2000 power plant electrical monitoring and management system, which is composed of engineer station, operator station, data server, output equipment, interface server, network switch and other equipment. The dual-network redundancy structure greatly improves the reliability and stability of the system.

2. Communication Management
The communication management layer takes the ST3000 series communication controller as the core and is installed in the WKS-DAS1000G data acquisition device. Realize the communication connection with the field layer intelligent terminal equipment and station control layer. The communication controller is usually a dual-machine hot-standby mode, which realizes data exchange with the field intelligent protection measurement and control terminal through the redundant field bus network, which ensures the stable operation of the communication management layer and improves the safety and stability of data transmission. ST3000 series communication controller can realize data transmission with DPU unit of DCS system through communication interface.

3. Site layer (also called spacer layer)
The site layer (also known as the spacer layer) mainly includes auxiliary power 6KV and 400V intelligent terminal equipment, generator and transformer unit protection, synchronization device, quick cutting device, excitation system, DC system, UPS, diesel generator set, etc., covering all intelligent protection and measurement and control devices of the power plant electrical system. They independently realize their own functions on site to ensure production operation.

System Function
Real-time data acquisition and monitoring
Fault/alarm management (logging and analysis)
Equipment maintenance management, equipment fixed value parameter management (fixed value storage, download management)
Data management (real-time data and historical data query, timing and real-time report printing, etc.)
System security management (user authorization, virus prevention)
Network Management (Tagout, Unload, etc.)
Communication diagnosis
automatic control strategy