1、 110kv110kv 变电站设计变电站设计 摘要摘要 变电站是电力系统的一个重要组成部分， 由电器设备及配电网络按一定的接 线方式所构成，他从电力系统取得电能，通过其变换、分配、输送与保护等功能， 它直接影响整个电力系统的安全与经济运行然后将电能安全、可靠、经济的输送 到每一个用电设备的场所。 110KV 变电站属于高压网络，电气主接线是发电厂变电所的主要环节，电气 主接线直关系着全厂电气设备的选择、是变电站电气部分投资大小的决定性因 素。 首先，根据主接线的经济可靠、运行灵活的要求选择各个电压等级的接线方式来 选择。根据主变容量选择适合的变压器，主变压器的台数、容量及形式的选择是 很重要，
2、它对发电厂和变电站的技术经济影响大。 本变电所的初步设计包括了：1.变电站原始资料分析。2.负荷分析。3.变压 的选择。4.电气主接线的选择。5.短路电流的计算。6.电气设备的选择与校验。 7.继电保护配置的选择。8.防雷保护等内容。 随着电力技术高新化、复杂化的迅速发展，电力系统在从发电到供电的所有 领域中，通过新技术的使用，都在不断的发生变化。变电所作为电力系统中一个 关键的环节也同样在新技术领域得到了充分的发展。 关键词：关键词：110kv 变电站；电气设备；主接线；短路电流 2 Design Title: 110kv substation design Abstract Substat
3、ion is an important part of the power system , the electrical equipment and distribution network at a certain wiring posed , he obtained power from the power system , through its transformation , distribution, transportation and protection functions , which directly affects the entire power system s
4、ecurity and economic operation of the electrical energy is then safe, reliable, economical transportation to the place of each electrical equipment. 110KV high-voltage substation belonging to the network , the main electrical wiring is a major part of the power plant substation , the main electrical
5、 wiring direct relationship with the choice of the whole plant electrical equipment , electrical substation is the decisive factor in the size of the part of the investment . First , according to the main wiring economic , reliable, flexible operation requirements select each voltage level wiring to
6、 choose. According to choose the right main transformer capacity transformers, main transformer station number , size and form of choice is very important, big economic impact on power plants and substations technology. Preliminary design of the substation including : 1.substation raw data analysis.2.load analysis to select.3.transformer selection.4. main electrical wiring choices .5. calculation of short-circuit current.6. Electrical Equipment and parity .7.relay configuration choices .8. lig
