福州某小区供配电系统毕业设计.pdf

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1、目录一、设计说明···································································2二、供配电箱变系统设计参考文选·······························3三、1#、2#、3#箱变系统配置清单·······························4四、工程简要介绍···························································5五、小区系统功能简要介绍··················

2、·························6六、箱式变电站的介绍···················································8七、小区负荷计算···························································15八、短路电流计算···························································20九、箱变组成元件功能用途介绍·······························

3、····20十、箱变系统元件选择理由及原因·······························27十一、设计思想总结·······················································28筑龙网www.zhulong.com一、设计说明一、设计依据1.现场工程实际提供的设计要求资料2.相关专业提供的设计资料3.国家相关的设计规范、规章及参考文选二、设计范围1.小区变输送电系统2.箱式变压器供配电系统三、供电系统1.用电负荷设备总的装机容量：3510KW需要系数：约0.43功率因数：0.

4、8计算电流：2.87KA2.供电方式该小区的供电系统由城市10KV的电力管网，经过箱式变压器的高低压变换箱引来380V/220V的三相四线制电源，引至区域分配箱。接地为TN系统方式，进户外采用PEN重复接地保护，接地电阻不得大于4欧姆。筑3.计量方式龙每户、每个区域都设有电度表，明装在一个专用的配电间。网4.线路敷设高压10KV采用架空线路，低压配电干线采用wLMY作母线绝缘电力电缆（YJV）穿w钢管埋地或沿墙敷设，支线（BV、RVSw）穿管、沿墙地面、顶板暗敷设。.zhul1ong.com二、供配电箱变系统设计参考文选1.〈〈项目工程

5、施工设计总说明书〉〉2.〈〈民用建筑电气设计规范〉〉GBJ/T1--19923.〈〈现代建筑电气设计图粹〉〉机械工业出版社出版4.〈〈电气工程设计〉〉马德溪主编5.〈〈供配电系统〉〉雍静主编6.〈〈物业设备与设施〉〉机械工业出版社出版7.〈〈建筑电气设备手册〉〉中国建筑工业出版社出版8.〈〈工厂常用电气设备手册〉〉水利电力出版社出版9.〈〈现代建筑电气设计实用指南〉〉陈元丽编著10.〈〈四川天全县电力有限公司思经35KV变电所设备招标书〉〉11.公用网图籍质料等等筑龙网www.zhul2ong.com三、1#、2#、3#箱式变压器系统的

6、配置清单名称规格型号数量单位备注箱型干式变压器SC3-630KVA/10+2x2.5/0.43台高低压变换10KV高压避雷器MO.V.E-103台避雷保护高压带电显示器GSN10/T14台显示通断状态LA-10/50/5A1个10KV高压进线电流互感器LMZJ1-0.5-400/5A1个单母线下LMZJ1-0.5/1500/5A3个箱变出线侧组合式负荷开关VEP12-25/630(AC220V)1个1#箱变高压端高压熔断器RN2-101个1#10KV引入端电压互感器JDZ-10/10/0.1KV1个1#10KV引入端联所连接装置VB-3

7、00A/25KV3台3台箱变的连接BAY-NET-6306个每台箱变的高压侧保护器ELSP-1256个每台箱变的高压侧GL-1600A/33个箱变二次侧前端GL-1000/31个母线下单元分接箱前隔离开关GL-500/33个母线下单元分接箱前GL-800/32个母线下单元分接箱前CM1-2000/33001250A3个二次侧与隔离开关配CM1-400M/3300250A2个单元分接箱前与隔离CM1-400M/3300225A11个单元分接箱前与隔离断路器CM1-160M/3300100A1个单元分接箱前与隔离筑CM1-400M/3300

8、350A1个单元分接箱前与隔离龙CM1-400M/3300200A1个单元分接箱前与隔离接地保护（＜4网4个规格型号待定（接地保接地保护FAY-B200/4-3854个母线接地保护熔断式隔离开关GLR-25