博山新城开发区110kV变电站设计计算书.docx

1、目录摘要IAbstractII引言11设计内容与要求11.1 原始资料11.2 设计原则和基本要求11.3 设计内容12 负荷计算与无功补偿22.1 负荷分类与定义22.2 负荷与无功补偿计算22.3 无功补偿装置的选择32.3.1 无功补偿装置定义与分类32.3.2 无功补偿装量32.3.3 并联电容器装置的分组方式32.3.4 并联电容器装置的接线方式42.4 并联电容器装置的最终确定43 主变压器与站变的选择：43.1 主变选择43.1.1 主变压器选择依据43.1.2 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

2、式的选择63.2 主变压器的最终确定63.3 变电站主变压器选择64 电气主接线的选择64.1 选择原则64.1.1 主接线设计的基本要求及原则74.1.2 主接线的基本形式和特点84.2 变电站的各侧主接线方案的拟定84.2.1 110kV 侧主接线的设计84.2.2 35kV侧主接线的设计94.2.3 10kV侧主接线的设计95 短路电流的计算95.1 短路的危害95.2 短路的形式95.3 短路电流计算的目的和内容105.4 短路电流的计算105.4.1 110kV侧母线短路电流计算125.4.2 35kV侧母线短路电流计算125.4.3 10kV侧母线短路电流计算135.4.4 0.4

3、kV短路电流计算136 电气设备的选择与校验146.1 概述146.2 断路器的选择及校验15 6.2.1 110kV侧断路器的选择与校验166.2.2 35kV侧断路器的选择与校验166.2.3 10kV侧断路器的选择与校验176.3 隔离开关的选择及校验186.3.1 110kV侧隔离开关的选择与校验186.3.2 35kV侧隔离开关的选择与校验196.3.3 10kV侧隔离开关的选择与校验196.4 母线的选择和校验206.4.1导体选择的一般要求206.4.2 110kV母线选择及校验216.4.3 35kV母线的选择和校验226.4.4 10kV母线的选择和校验226.5进线与出线的

4、选择和校验236.5.1 110kV进线的选择和校验236.5.2 35kV出线选择与校验246.5.3 35kV出线的选择和校验246.5.4 10kV出线的选择和校验256.6 电流互感器和电压互感器的选择256.6.1 110kV侧电流互感器和电压互感器的选择266.6.2 35kV侧电流互感器和电压互感器的选择276.6.3 10kV母线出线电流互感器的选择296.7 高压熔断器的选择306.8 高压开关设备317 其它设备的选择317.1接地刀闸的选择317.1.1 110kV侧接地刀闸的选择：317.1.2 10kV侧接地刀闸的选择：317.1.3 35kV侧接地刀闸的选择：317

5、.2绝缘子和穿墙套管的选择328 继电保护的装置选择与整定328.1 电力变压器的零序电流保护：348.2 纵联差动保护348.3 瓦斯保护358.4 过电流保护358.5 电流速断保护379 变电站防雷保护及其配置399.1 直击雷的过电压保护399.2 雷电侵入波的过电压保护409.3 避雷器和避雷线的配置409.3.1 避雷针409.3.2 避雷器41参考文献44致谢45附录46ContentsAbstractIIntroduction11 Design content and requirements11.1 sourcebook11.2 Design principles and b

6、asic requirements11.3 Design Content12 Load Calculation and reactive power compensation22.1 Classification and defined load22.2 load and reactive power compensation calculation22.3 reactive power compensation device32.3.1 reactive power compensation device definition and classification32.3.2 The qua

7、ntity of reactive power compensation equipment32.3.3 grouping shunt capacitor means32.3.4 shunt capacitor means42.4 shunt capacitors finalization43 Main transformer station in selection：43.1 Main Transformer selection43.1.1 selected on the basis of the main transformer43.1.2 Select the number of win

8、dings of the transformer53.1.3 Connection of the transformer windings53.1.4 Transfer Regulating the53.1.5 transformer cooling mode63.2 Main Transformer finalize63.3 transformer substation64 Select the main electrical wiring64.1 Selecting Principle64.1.1 Basic requirements and principles of design of

9、 the main terminal74.1.2 The basic form of the main terminal and features84.2 Prepare each side of the main line scheme substation84.2.1 110kV side of the main wiring design84.2.2 35kV side of the main wiring design94.2.3 10kV side of the main wiring design95 short circuit current calculation95.1 sh

10、orted Hazard95.2 short-form95.3 short-circuit current calculation of the purpose and content105.4 Calculation of short circuit current105.4.1 110kV side of the bus circuit current calculation125.4.2 35kV side of the bus circuit current calculation125.4.3 10kV side of the bus circuit current calculat

11、ion135.4.4 0.4kV circuit current calculation136 Selection and verification of electrical equipment146.1 General146.2 Selection and verification breaker15 6.2.1 110kV circuit breaker selection and verification166.2.2 35kV circuit breaker selection and verification166.2.3 10kV circuit breaker selectio

12、n and verification176.3 disconnectors Selection and verification186.3.1 110kV side isolation switch selection and verification186.3.2 35kV side isolation switch selection and verification196.3.3 10kV side isolation switch selection and verification196.4 bus selection and verification206.4.1 Conducto

13、r selection General requirements206.4.2 110kV bus Selection and verification216.4.3 35kV bus selection and verification226.4.4 10kV bus selection and verification226.5 Line and outlet selection and verification236.5.1 110kV into line selection and verification236.5.2 35kV outlet selection and verifi

14、cation246.5.3 35kV qualifying selection and verification246.5.4 10kV qualifying selection and verification256.6 current transformers and voltage transformers256.6.1 110kV side current and voltage transformers choice of266.6.2 35kV side current and voltage transformers choice of276.6.3 10kV bus outgoing current transformer selection296.7 Select the high-voltage fuse306.8 High Voltage Switchgear317 Select the other devices317.1 earthing switch selection317.1.1 110kV side grounding switch selection：317.1.2 10kV side grounding switch selection：31