电气工程及其自动化毕业设计-泰安南开发区110kV变电站电气设计.doc

1、i 本科毕业论文（20 届）泰安南开发区 110kV 变电站电气设计所在学院专业班级 电气工程及其自动化学生姓名指导教师完成日期ii 目 录泰安南开发区 110kV 变电站电气设计 .ITaian Nan Zone 110kV Substation Design.II1 任务书 .11.1 原始资料 .11.2 设计内容及要求 .22 电气主接线设计 .22.1 电气主接线概述 .22.2 电气主接线的基本形式 .22.3 电气主接线的选择 .32.3.1 电气主接线方案 .32.3.2 电气主接线的确定 .33 变电站主变压器选择 .33.1 主变压器的选择 .33.1.1 变压器容量的选择

2、 .33.1.2 变压器绕组数量的选择 .53.1.3 变压器绕组连接方式的选择 .53.1.4 变压器调压方式的选择 .53.1.5 变压器冷却方式的选择 .53.2 主变压器的最终确定 .54 无功补偿装置的选择 .64.1 无功补偿装置的选择 .64.1.1 无功补偿装置类型的选择 .64.1.2 无功补偿装置容量的确定 .64.1.3 并联电容器装置的分组方式 .64.1.4 并联电容器装置的接线方式 .64.2 并联电容器装置的最终确定 .65 短路电流的计算 .75.1 短路的危害 .75.2 短路的形式 .75.3 短路电流的计算 .75.3.1 110KV 侧母线短路电流计算

3、.85.3.2 35KV 侧母线短路电流计算 .85.3.3 10KV 侧母线短路电流计算 .96 电气设备的选择与校验 .96.1 概述 .96.2 变压器 110kV 侧电气设备的选择与校验 .10iii 6.2.1 变压器 110kV 侧断路器的选择与校验 .106.2. 2 变压器 110kV 侧隔离开关的选择与校验 .116.2.3 变压器 110KV 侧电流互感器和电压互感器的选择 .116.2.4 110kV 母线选择及校验 .126.3 变压器 35kV 侧电气设备的选择与校验 .136.3.1 变压器 35kV 侧高压开关柜的选择与校验 .136.3.2 变压器 35kV 侧

4、隔离开关的选择与校验 .146.3.3 变压器 35KV 侧断路器的选择与校验 .146.3.4 变压器 35KV 侧电流和电压互感器的选择与校验 .156.3.5 变压器 35KV 侧母线的选择与校验 .156.3.6 变压器 35KV 侧导线的选择与校验 .166.4 35kV 母线出线侧电气设备的选择与校验 .176.4.1 35kV 母线出线高压开关柜的选择与校验 .176.4.2 35kV 母线出线隔离开关的选择与校验 .176.4.3 35kV 母线出线断路器的选择与校验 .186.4.4 35kV 母线出线电流互感器的选择与校验 .186.4.5 35kV 母线出线导线的选择与校

5、验 .196.5 变压器 10kV 侧电气设备的选择与校验 .196.5.1 变压器 10kV 侧高压开关柜选择与校验 .196.5.2 变压器 10kV 侧隔离开关的选择与校验 .206.5.3 变压器 10KV 侧断路器的选择与校验 .206.5.4 变压器 10KV 侧电流互感器和电压互感器的选择与校验 .216.5.5 10KV 母线的选择与校验 .226.5.6 变压器 10KV 侧导体的选择与校验 .226.6 10kV 母线出线侧电气设备的选择与校验 .236.6.1 10kV 母线出线高压开关柜的选择与校验 .236.6.2 10kV 母线出线隔离开关的选择与校验 .236.6

6、.3 10kV 母线出线断路器的选择与校验 .246.6.4 10kV 母线出线电流互感器的选择与校验 .246.6.5 10kV 母线出线导线的选择与校验 .257 继电保护 .258 防雷与接地方案的设计 .268.1 防雷保护 .268.1.1 直击雷保护 .268.1.2 侵入波保护 .268.2 接地装置的设计 .269 所用电的设计 .279.1 所用变压器的接线形式 .279.2 所用变压器的选择 .27参考文献 .28iv 致谢 .29v ContentsAbstract .II1 Mission statement .11.1 Sourcebook .11.2 Design

7、content and requirements.22 Electric main wiring design .32.1 Overview main electrical wiring.32.2 The basic form of the main electrical wiring .32.3 Main electrical wiring selection.32.3.1 Main electric connection schemes .32.3.2 Determination of main electrical wiring .43 Select the main transform

8、er substation .43.1 Select the main transformer .43.1.1 Selection of Transformer Capacity .43.1.2 The number of windings of the transformer selection .53.1.3 Select the transformer winding connection mode.63.1.4 Select the voltage regulating mode .63.1.5 Select the transformer cooling mode .63.2 Fin

9、alize the main transformer .64 Select the reactive power compensation device.74.1 Select the reactive power compensation device.74.1.1 Reactive power compensation device type selection.74.1.2 Reactive power compensation device capacity determination .74.1.3 Grouping of shunt capacitors .74.1.4 Wirin

10、g parallel capacitor device .74.2 Finalize the shunt capacitor means .85 Calculation of short-circuit current.85.1 Hazard short-circuit .85.2 In the form of short-circuit.85.3 Calculation of short-circuit current.85.3.1 110KV side of the bus circuit current calculation .105.3.2 35KV side of the bus

11、circuit current calculation .105.3.3 10KV side of the bus circuit current calculation .106 Selection and verification of electrical equipment.116.1 Outline.116. Select the check 110kV transformer side electric equipment.126.2.1 Transformer 110kV circuit breaker selection and validation .12vi 6.2. 2

12、110kV transformer side of the isolation switch selection and validation .136.2.3 110KV transformer side current and voltage transformers choice .136.2.4 110kV bus selection and verification.146.3 Selection and check transformer 35kV electrical equipment side .156.3.1 35kV high voltage switchgear tra

13、nsformer side of the selection and verification.156.3.2 Side of the isolation transformer 35kV switch selection and validation .166.3.3 35KV transformer circuit breaker selection and validation.166.3.4 35KV transformer side current and voltage transformer selection and validation .176.3.5 35KV trans

14、former side of the bus selection and validation.186.4 35kV side bus qualifying selection and verification of electrical equipment.186.4.1 35kV high voltage switchgear bus qualifying selection and validation .186.4.2 35kV busbar disconnectors qualifying selection and validation.196.4.3 35kV busbar ou

15、tgoing breaker selection and validation.196.4.4 35kV busbar current transformer outlet selection and validation.206.4.5 35kV busbar outgoing wire selection and validation.216.5 Selection and check transformer 10kV electrical equipment side .216.5.1 10kV high voltage switchgear transformer side selection and verification.216.5.2 Side of the isolation transformer 10kV switch selection and validation .226.5.3 10KV transformer circuit breaker selection and validation.226.5.4 10KV transformer side current and voltag