1、 辽通地区 60kV 变电所电气工程部分的初步设计 I 摘要 本设计是辽通二次变电所电气工程(部分)初步设计。本论文由说明书和计算书组成。在说明书中,阐述设计基本原则、方法、结论,设备选择的最基本要求和依据。在计算书中,给出具体计算方法和步骤。设计内容包括: 10kV 出线选择;主变压器的台数、容量、型号选择;补偿电容器主要技术数据的确定;介绍电气主接线的重要性、设计依据、基本要求、各种接线形式的优缺点以及主接线的比较选择,确定适合本所要求的主接线;介绍短路电流计算的目的、一般规定、元件参数的计算、网络变换以及各种短路点的计算等知识;选择高压电气设备:母线、高压 断路器、隔离开关、电流互感器、
2、电压互感器、避雷器; 10kV 高压开关柜选择。本所高压配电装置采用屋外普通中型布置,低压采用屋内式。防雷保护主要针对避雷针和避雷器设计。绘制了主接线图、断面图、防雷保护图。 关键词 : 变电所 , 电力系统 , 短路 , 电气设备 , 电气工程设计 沈阳工程学院毕业设计(论文) II Abstract This design is the Liaotong two transformer substation electrical engineering (part) the preliminary design. The present paper is composed of the i
3、nstruction booklet and the account book. In instruction booklet, elaboration design basic principle, method, conclusion,unit select most essential requirements and basis. In the account book, gives the concrete computational method and the step. The design content includes: 10kV going beyond a line
4、choice; Main transformers Taiwan number, capacity, model choice; Compensates the capacitor main technicaldata the determination; Introduced that the electrical main wiring the importance, the design rest on, the essential requirements, various seed grafting linear -like the good and bad points as we
5、ll as the host wiring choice quite, determined that suits this institute request the main wiring; Introduction short-circuit current computation goal, general requirement, part parameter computation, network transformation as well as each kind of short dot knowledge and so on computation; Choice hig
6、h pressure electrical equipment: Bus bar, high-pressured circuit breaker, isolator, current transformer, voltage transformer, arrester; 10kV high pressure switch cabinet choice. This institute high pressure power distribution equipment uses outside the room the ordinary medium arrangement, the low p
7、ressure uses in the room the type. The anti-radar protection mainly aims at the lightning rod and the arrester design. Has drawn up the main wiring diagram, the horizontal plan, the sectional drawing, the anti-radar protection chart. key word: Transformer substation, electrical power system, short circuit, electrical equipment, electrical engineering design