《广东水电科技》82年第3期发表《粤北水电站电气主结线设计原则的商酌》一文 （以下简称“商酌”）,对小水电电气主结线的设计原则提出了一些宝贵的意见。文中涉及的问题比较广泛,除电气主结线外,还谈到直配线、出线回路、厂用电、直流系统等一系列设计问题。现在我也抱抛砖引玉的态度,谈谈自己的一些看法,就教于广大同行之前。 一、关于电气主结线及主变方案选择 “Guangdong Hydropower Technology” 82, the third issue of “North Guangdong Electric Power main line design principles of negotiation” article (hereinafter referred to as “discretion”) on the design principles of the main layout of small hydropower electrical put forward some valuable opinions. The issues covered in this article are more extensive, in addition to the main electrical wiring, but also talked about a series of design problems such as straight wiring, outlet circuit, power plant, DC system. Now I also hold a brilliant attitude, to talk about some of their own views, to teach before the majority of peers. First, on the electrical main line and main transformer options