某用户35kV变电所综合自动化系统设计
The design of a comprehensive automation system for a customer's 35kV substation is essential for ensuring the safe, efficient, and cost-effective operation of the power grid. This system must adhere to the overall design of grid dispatch automation, with its configuration and functions meeting the requirements for safe, high-quality, and economical operation of the power grid, as well as the hierarchical transmission of information and resource sharing. This design project encompasses the electrical design of the substation, the design of the 10kV neutral point grounding and power usage, as well as the design of the microcomputer protection and comprehensive automation system. The design process involves comparing various relevant schemes to determine the most suitable design solution. For the substation, an internal bridge connection scheme is adopted, while the 10kV neutral point is grounded through a low-resistance grounding method, and the power usage employs a grounding transformer and a power transformer. The design also includes a complete set of engineering design drawings that can be used to guide the construction process. Key words: substation, comprehensive automation, microcomputer protection, neutral point grounding.
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