12174发电厂电气部分初步设计

Primary design of electrical and engineering part of 12174 power station

本次设计最重要的任务是一次系统中的接线形式、短路电流计算、变压器形式的选择、母线的选择和校验及电气设备的选择;主变压器的继电保护,母线继电保护,防雷规划,配电装置设计等主要内容。设计本着使电力供应和传输安全、可靠、灵活、经济的原则。

This most important task of design is once wiring form,choice of shorting out in the electric current to calculate,voltage transformer,bus bar and electric equipment in the system;The relay protection of the main voltage transformer,the relay protection of the bus bar,the main content of planning etc.that defend the thunder.Design in line with make supply of electric power and transmit safe,reliable,flexible,economic principle.