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Home >>Automation System of Cascade Hydropower Stations in River Basins
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Automation System of Cascade Hydropower Stations in River Basins

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Automation System of Cascade Hydropower Stations in River Basins

To carry out combined optimization and operation of cascade hydropower stations in river basins is a fundamental method to make overall plans and take the upstream and downstream of the cascade as well as the water yield and waterhead into consideration and to use waterpower resources in a scientific way and is also an important method to realize energy saving and emission reduction. It also complies with the requirements of establishing a resource conserving and environmentally friendly society.

The production management and operation personnel in the cascade dispatching center can conduct safe, reliable, easy and convenient remote monitoring and control on the main and auxiliary equipments of all cascade hydropower stations through the automation system of the cascade hydropower stations to realize economic load dispatching; it can effectively improve the overall management level of the cascade hydropower stations and bring the advantage of combined optimization and dispatching into full play.

Implementation scope of SAC automation system of cascade hydropower stations in river basins

  • Equipment installation and debugging;
  • Automation system software development, installation and debugging;
  • Integrated debugging of automation system of cascade hydropower stations in river basins;
  • Research and development of senior application software such as economic operation and security analysis.

Characteristics of SAC automation system of cascade hydropower stations in river basins

  • Adaptable, rich specifications, can link various automation systems.
  • Good extensibility; with modular design, it can be configured according to user's requirements.
  • The system can support various communication methods such as optical network, ultra short wave, GPRS, satellite, etc.
  • The system has high security and reliability since it allows various limits of authority to be set as required.

SAC Automation System of Cascade Hydropower Stations in River Basins

The automation system of cascade hydropower stations in river basins can be divided into three levels, i.e. supervisory computer control system of each cascade hydropower station (station level), supervisory computer control system of centralized control center (centralized control center level) and superior hierarchical level dispatching center (superior hierarchical level dispatching level). Both the supervisory computer control system of centralized control center and the external system adopt WAN connection.

The following is a typical block diagram of automation system of cascade hydropower stations in river basins. The supervisory computer control system of centralized control center mainly realizes such functions as data acquisition and monitoring control, AGC/AVC, economic operation, reservoir operation, power generation dispatching, flood control dispatching, system communication and security analysis and so on.

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