《(完整word版)继电保护定值整定计算书.pdf》由会员分享，可在线阅读，更多相关《(完整word版)继电保护定值整定计算书.pdf（42页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、桂林变电站35kV 及 400V设备继电保护定值整定计算书批准：审核：校核：计算：超高压输电公司柳州局二一三年十一月六日1 计算依据：一、规程依据DL/T 584-2007 3110kV电网继电保护装置运行整定规程Q/CSG-EHV431002-2013 超高压输电公司继电保护整定业务指导书2013 年广西电网继电保护整定方案二、短路阻抗广西中调所提供2013 年桂林站 35kV母线最大短路容量、短路电流:三相短路 2165MVA/33783A；由此计算 35kV母线短路阻抗正序阻抗 Z1=63.03378332165322AMVAIS文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10
2、 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文
3、档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2
4、Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J
5、10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T
6、1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1
7、Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D
8、6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T1文档编码:CK9U3O1Z2Y9 HW6S3C5D6J10 ZD5N9T6Z9T12 第一部分#1 站用变保护一、参数计算已知容量：ST1=800kVA，电压：35/0.4kV，接线：D/Y11，短路阻抗：UK=6.72%计算如下表：名称数据额定电压(kV)35 高压侧额定电流(A)13.2 高压侧 CT变比200/5=40 低压侧零序 CT变比1500/5=300 短路阻抗（）103 二次额定电流（
9、A）0.33 注：高压侧额定电流：Ie=ST1/(3Ue)=800/(335)=13.2A 高压侧额定电流二次值：Ie2=13.2/40=0.33 A 低压侧额定电流：Ie =ST1/(3Ue)=800/(30.4)=1154.7A 低压侧额定电流二次值：Ie2=1154.7/300=3.85A 短路阻抗：Xk=（Ue2UK）/ST1=（35k20.0672）/800k=103保护装置为南瑞继保RCS-9621C 型站用电保护装置，安装在35kV保护小室。二、定值计算1、过流 I 段（速断段）文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
10、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
11、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
12、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
13、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
14、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
15、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
16、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U63 1）按躲过站用变低压侧故障整定：计算站用变低压侧出口三相短路的一次电流I k(3).max=Ue/（3Xk）=37000/（3103）=207.4A计算站用变低压侧出口三相短路的二次电流 Ik=I k(3).max/Nct=207.4/40=5.19A 计算按躲过站用变低压侧故障整定的过流I 段整定值Izd=kKIk kK为可靠系数，按照整定规程取kK=1.5 =1.55.19=7.8A 2）校验最小方式时低压侧出口两相短路时灵敏系数lmK1.5 计算站
17、用变低压侧出口两相短路的一次电流min).2(Ik=Ue/2（Z1+Xk）=37000/2（0.63+103）=178.52A 式中：Z1 为 35kV母线短路的短路阻抗。计算站用变低压侧出口两相短路的二次电流 Ik.min=min).2(Ik=178.52/40=4.46A 校验最小方式时低压侧出口两相短路时灵敏系数Klm=IzdIk min.=4.46/7.8=0.571.5 满足要求综上，过流 II、III段定值取 0.59A T=0.6s，跳#1 站变高低压两侧断路器。3、低压侧零序过流III段保护零序电流定值可按躲站用变正常运行时的最大不平衡电流整定20ebpkIKKI=1.30.2
18、53.85=1.25A Ie2 为站用变 380V侧额定电流；kK为可靠系数，取1.3；bpK不平衡系数，取 0.25 380V侧零序电流保护动作时间定值建议取2s。低压侧零序电流 III段保护定值取 1.25A T=2s，跳#1 站变高低压两侧断路器。4、过负荷保护按躲过站用变额定电流整定文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1
19、R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6
20、L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1
21、R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6
22、L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1
23、R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6
24、L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U65 IL2=kKIe（fKNct）=95.033.005.1=0.3
25、6A T=5S，发信式中kK为可靠系数，取kK=1.05，fK为返回系数，取fK=0.95 三、其他整定说明1、现场仅接入高压侧三相CT和低压侧零序CT作为保护用 CT，现场无高压侧零序及测量CT接入，其高压侧零序相关保护均退出，定值取最大值。2、现场仅重瓦斯接入保护，重瓦斯保护投入跳闸。其余本体保护均退出，时间取最大值。3、电流 III段与电流 II段取相同定值。文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
26、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
27、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
28、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
29、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
30、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
31、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
32、F9U66 第二部分#0 站用变保护一、参数计算已知容量：ST1=800kVA，电压：35/0.4kV，接线：D/Y11，短路阻抗：UK=6%计算如下表：名称数据额定电压(kV)35 高压侧额定电流(A)13.2 高压侧 CT变比100/5=20低压侧零序 CT变比1500/5=300 短路阻抗（）92 二次额定电流（A）0.33 注：高压侧额定电流：Ie=ST1/(3Ue)=800/(335)=13.2A 高压侧额定电流二次值：Ie=13.2/20=0.66 A 低压侧额定电流：Ie =ST1/(3Ue)=800/(30.4)=1154.7A 低压侧额定电流二次值：Ie2=1154.7/30
33、0=3.85A 短路阻抗：Xk=（Ue2UK）/ST1=（35k20.06）/800k=92保护装置为南瑞继保RCS-9621C 型站用电保护装置，安装在35kV保护小室。二、定值计算1、过流 I 段（速断）文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
34、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
35、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
36、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
37、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4
38、F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8
39、 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U67 1）按躲过站用变低压侧故障整定：计算站用变低压侧出口三相短路的一次电流I k(3).max=Ue/（3Xk）=37000/（392）=232.2A
40、计算站用变低压侧出口三相短路的二次电流 Ik=I k(3).max/Nct=232.2/20=11.61A 计算按躲过站用变低压侧故障整定的过流I 段整定值Izd=kKIk kK为可靠系数，取kK=1.5 =1.511.61=17.4A 2）校验最小方式时低压侧出口两相短路时灵敏系数lmK1.5 计算站用变低压侧出口两相短路的一次电流min).2(Ik=Ue/2Xk）=37000/292=201.1A 计算站用变低压侧出口两相短路的二次电流 Ik=min).2(Ik=201.1/20=10.1A 校验最小方式时低压侧出口两相短路时灵敏系数Klm=IzdIk min.=10.1/17.4=0.5
41、81.5 满足要求综上，过流 II、III段定值取 1.19A T=0.6s，跳#0 站变高低压两侧断路器。3、低压侧零序电流保护零序电流定值可按躲站用变正常运行时的最大不平衡电流整定20ebpkIKKI=1.30.253.85=1.25A Ie2 为站用变 380V侧额定电流；kK为可靠系数，取1.3；bpK为不平衡系数，取 0.25 380V侧零序电流保护动作时间定值建议取2s。低压侧零序电流 II、III段保护定值取 1.25A T=2s，跳#0 站变高低压两侧断路器。4、过负荷保护IL2=kKIe（fKNct）=95.066.005.1=0.72A T=5S，发信文档编码:CD7Q4I
42、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
43、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
44、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
45、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
46、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB
47、8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I
48、5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U69 式中kK为可靠系数，取kK=1.05，fK为返回系数，取fK=0.95 三、其他整定说明1、现场仅接入高压侧三相CT作为保护用 CT,现场无零序及测量CT接入，其零序相关保护均退出，定值取最大值。2、电流 III段与电流 II 段取相同定值。3、现场无本体保护接入，所有本体保护均退出，时间取最大值。文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U
49、6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW
50、9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U6文档编码:CD7Q4I5E6L8 HW9D1X4E7K3 ZB8D1R4F9U