某110kv终端变电所电气部分设计毕业设计说明书

1、毕业设计说明书题 目：某 110KV 终端变电所电气部分设计专 业： 电气工程及其自动化 学 号： 姓 名： 指导老师： 时 间： 大学 毕业设计说明书IIAbstractElectricity substation i

2、s an important component of the system, it has a direct impact on the entire power system's security and economy, users are connected power plants and the intermediate links, transformation and distribution of electr

3、ic energy to play the role. This design is the construction of a 110 KV substations terminal buck, first of all based on the reliability of the main cable and run the flexibility to choose various voltage levels of the c

4、onnection mode. And from the economic and technical aspects to compare, select the optimal connection mode. Second according to various levels of load voltage transformer to calculate the capacity to select the main tran

5、sformer of Taiwan and its capacity, and other models ﹑ various parameters. Once again, according to choose the main form of short-circuit wiring, paint and network equivalent to short-circuit, according to calculate the

6、three-phase short circuit, short circuit current, short-circuit capacity, short-circuit the impact of current value. According to select the final calculation of the various short-circuit the bus voltage, circuit breaker

7、s, switches isolation, current, voltage transformers, arresters, and check to see whether the appropriate selection of devices, and also done a transformer relay.Key words: main electrical connection ；short circuit curr