金光小区住宅电气设计计算书.doc

1、目 录摘 要IABSTRACT第一章小区住户照明计算1 1.1照度计算和照明设备布置1第2章 电气主接线设计2 2.1 主接线接线方式3 2.2 电气主接线的选择4第3章 主变压器的选择5 3.1负荷计算5 3.2 主变压器型式的选择6第4章 短路电流计算6 4.1 短路计算的目的及步骤6第5章 设备选择11 5.1 选择设备的一般原则和基本要求11 5.2 高压断路器的选择13 5.2.1 断路器选择的具体技术条件.13 5.2.2 断路器选择及校验13 5.3 隔离开关的选择15 5.4 电流互感器选择16 5.5 电压互感器选择计算18 5.6 各级电压母线的选择22第6章 继电保护配置

2、24 6.1 变电所母线保护配置25 6.2 变电所主变保护的配置26第7章 防雷接地26 7.1 避雷器的选择26 7.2变电所的进线段保护27 7.3 避雷针的配置29 7.4接地装置的设计30第8章 无功补偿装置的选择32 8.1概述33 8.2 补偿装置的确定33 8.3 补偿装置容量的选择34第9章 电气总平面布置及配电装置的选择34 9.1 配电装置应满足以下基本要求34 9.2 配电装置特点34 9.3 屋外配电装置类型及应用34 9.4 配电装置的确定35 9.5 10KV高压开关柜选择35 9.6 电气总平面布置36 9.7 结束语36致 谢38ContentsAbstrac

3、t .I1.Area residents lighting calculations chap. .11.1 Calculation of illumination and lighting equipment layout .12.Electrical wiring design.12.1 main connection wiring. .22.2 select main electrical wiring .33.Select of the main transformer . .43.1 Load Calculation.53.2 Main Transformer Type Select

4、ion . .54 .short-circuit current calculation .64.1 Purpose and short circuit calculation.65 Device Select .105.1 General principles and basic requirements . .115.2 high voltage circuit breaker selection .135.2.1 breaker selected specific technical conditions . .135.2.2 Selection and verification bre

5、aker.145.3 disconnector.145.4 Current Transformer Select .165.5 voltage transformer selection and calculation 185.6 bus voltage levels. .226. protection configuration.246.1 substation bus protection configuration .256.2 substation main transformer protection configuration. .267. Lightning Protection

6、 .267.1Select arrester .267.2 substation into the line protection .277.3 lightning rod configurations 297.4 Design of grounding 318. reactive power compensation device.328.1 Overview. .338.2Determine compensation device .338.3 compensating device capacity selection .349 .general layout and electrica

7、l distribution equipment.349.1 Distribution device must meet the following basic requirements .349.2 Distribution Equipment.349.3 Outdoor Power Distribution Equipment Type and Application .359.4 Distribution Equipment359.5 10KV High Voltage Switchgear Select .369.6 Electric general layout 369.7Concl

8、usion.37Acknowledgements. .38山东农业大学南校区电气设计摘要：本说明书以10KV小区住宅电气设计为例，论述了电力系统工程中小区供配电及变电所部分电气设计的全过程。通过对变电所的主接线设计，站用电接线设计，短路电流计算，电气设备动、热稳定校验，主要电气设备型号及参数的确定，运行方式分析，防雷及过电压保护装置的设计，电气总平面及配电装置断面设计和无功补偿方案设计，小区住户照明及其供配电设计，较为详细地完成了电力工程中得主要设计部分。受限于毕业设计的具体要求和设计时间的限制，本毕业设计只对小区住户照明及变电所电气一次部分做了较为详细的理论设计，而对其电气二次部分只有部分涉

9、及，这有待于在今后的学习工作中进行研究。关键词： 照明 短路电流 动稳定 热稳定 过电压保护装置 无功补偿 防雷保护Shandong Agricultural University, South Campus residential electrical designAbstract The specification 10KV quarters distribution and substation design, for example, discusses the whole process of power system engineering section quarters dis

10、tribution and substation electrical design (one part). Through the substation main wiring design, wiring electricity station design, short-circuit current calculations to determine the electrical equipment dynamic and thermal stability test, the main electrical equipment models and parameters, opera

11、ting mode analysis, design of lightning protection and over-voltage protection devices, electrical distribution equipment for general plan and section design and reactive power compensation program design, lighting and residential tenants for power distribution design, detail completed power project

12、s have major design section.Subject to the limitations of the specific requirements and design time of graduation, this graduation only for residential tenants lighting and electrical substation part time to do a more detailed theoretical design, but it did not involve secondary electrical part, which needs to be in future study a