CN100495047C - 利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 - Google Patents
利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 Download PDFInfo
- Publication number
- CN100495047C CN100495047C CNB200410060407XA CN200410060407A CN100495047C CN 100495047 C CN100495047 C CN 100495047C CN B200410060407X A CNB200410060407X A CN B200410060407XA CN 200410060407 A CN200410060407 A CN 200410060407A CN 100495047 C CN100495047 C CN 100495047C
- Authority
- CN
- China
- Prior art keywords
- bus
- cpu element
- circuit
- signal
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 3
- 240000002853 Nelumbo nucifera Species 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB200410060407XA CN100495047C (zh) | 2004-07-14 | 2004-07-14 | 利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB200410060407XA CN100495047C (zh) | 2004-07-14 | 2004-07-14 | 利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1721863A CN1721863A (zh) | 2006-01-18 |
CN100495047C true CN100495047C (zh) | 2009-06-03 |
Family
ID=35912325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200410060407XA Expired - Fee Related CN100495047C (zh) | 2004-07-14 | 2004-07-14 | 利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100495047C (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101158701B (zh) * | 2007-11-16 | 2010-06-02 | 中国科学院电工研究所 | 高压系统电压及绝缘电阻测量电路 |
CN101324645B (zh) * | 2008-07-08 | 2010-06-02 | 奇瑞汽车股份有限公司 | 混合动力车高压能量管理系统绝缘电阻测算方法及装置 |
CN102486496A (zh) * | 2010-12-03 | 2012-06-06 | 北京人民电器厂有限公司 | 可克服继电保护误动的直流绝缘监测系统及方法 |
CN102967765A (zh) * | 2011-09-01 | 2013-03-13 | 阳光电源股份有限公司 | 直流电源对地绝缘检测电路及其检测方法及逆变器 |
CN103176049B (zh) * | 2011-12-23 | 2015-09-02 | 比亚迪股份有限公司 | 用于不接地直流系统的对地绝缘性监测的电路、装置和方法 |
CN103777107B (zh) * | 2012-10-20 | 2016-12-21 | 丰郅(上海)新能源科技有限公司 | 直流绝缘监测仪 |
CN105823954B (zh) * | 2015-01-05 | 2023-04-18 | 深圳奥特迅电力设备股份有限公司 | 蓄电池组接地点的检测装置及方法、直流电源系统 |
CN105004979A (zh) * | 2015-08-12 | 2015-10-28 | 江苏德和新能源科技有限公司 | 一种电动汽车直流充电桩绝缘检测系统和检测方法 |
CN107179470A (zh) * | 2017-07-13 | 2017-09-19 | 云南电网有限责任公司红河供电局 | 一种模拟直流系统综合类型接地故障的集成试验装置 |
CN108693442A (zh) * | 2018-05-17 | 2018-10-23 | 辽宁石油化工大学 | 电网故障的检测方法及系统 |
CN109142874B (zh) * | 2018-09-27 | 2021-03-02 | 蔚来(安徽)控股有限公司 | 绝缘检测电路、绝缘检测方法及充电控制方法 |
CN109633359B (zh) * | 2019-01-10 | 2021-05-28 | 许继电源有限公司 | 一种三母线中单母线接地绝缘监测方法和监测装置 |
CN110579647B (zh) * | 2019-07-26 | 2020-10-09 | 中国南方电网有限责任公司超高压输电公司梧州局 | 一种具有绝缘监测及主动防范功能的控制保护系统 |
CN110687353B (zh) * | 2019-11-15 | 2022-04-15 | 华霆(合肥)动力技术有限公司 | 绝缘电阻检测方法、装置、系统和存储介质 |
CN111896266A (zh) * | 2020-04-07 | 2020-11-06 | 涡阳县康仕达机电有限公司 | 一种车桥疲劳试验装置 |
-
2004
- 2004-07-14 CN CNB200410060407XA patent/CN100495047C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1721863A (zh) | 2006-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100495047C (zh) | 利用不平衡电桥测量直流支路绝缘电阻的装置及测量方法 | |
CN103454498A (zh) | 一种电动汽车动力电池组的绝缘检测方法 | |
CN103576052A (zh) | 确定交流电串入直流系统故障支路的系统及方法 | |
CN104678341A (zh) | 站用直流电源系统绝缘监测装置的检测装置及检测方法 | |
CN103419643B (zh) | 一种高压配电控制方法及其装置 | |
CN103454580B (zh) | 一种断路器分合闸线圈特性测试装置 | |
CN101738568A (zh) | 分布式直流接地故障检测装置 | |
CN203455462U (zh) | 一种电动汽车动力电池组的绝缘检测装置 | |
CN103308823A (zh) | 一种配电网单相断线不接地故障定位方法 | |
CN205067643U (zh) | 变电站直流供电系统的分布式绝缘监测装置 | |
CN202735453U (zh) | 直流系统中母线接地检测电路 | |
CN202815147U (zh) | 确定交流电串入直流系统故障支路的系统 | |
CN101576601A (zh) | 数字式变压器保护装置测量回路的隐藏故障诊断方法 | |
CN104849602A (zh) | Gis双母线配电设备故障检测方法和系统 | |
CN106168638A (zh) | 一种利用继电保护装置实现高压并联电容器在线监测的方法 | |
CN108710064A (zh) | 一种零序有功分量型线路故障指示器 | |
CN109659910A (zh) | 基于混合型直流断路器的柔性直流电网故障性质识别方法 | |
CN201302604Y (zh) | 分布式直流接地故障检测装置 | |
CN204515113U (zh) | 站用直流电源系统绝缘监测装置的检测装置 | |
CN106384993A (zh) | 一种差动原理的直流接地极引线保护系统和故障判别方法 | |
CN202166682U (zh) | 一种直接接地绝缘故障检测装置 | |
CN202453445U (zh) | 变电站直流系统级差配合测试装置 | |
CN105823954A (zh) | 蓄电池组接地点的检测装置及方法、直流电源系统 | |
CN201181321Y (zh) | 机车控制回路的接地检测电路 | |
CN105743071A (zh) | 一种继电保护在线安全裕度评估系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuji Electric Power Co., Ltd. Assignor: Xuji Group Co., Ltd. Contract fulfillment period: 2009.3.20 to 2015.3.20 contract change Contract record no.: 2009410000162 Denomination of invention: Apparatus and method for measuring direct current branch insulation resistance utilizing unbalanced bridge Granted publication date: 20090603 License type: Exclusive license Record date: 2009.5.27 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.20 TO 2015.3.20; CHANGE OF CONTRACT Name of requester: XUJI POWER SUPPLY CO., LTD. Effective date: 20090527 |
|
ASS | Succession or assignment of patent right |
Owner name: XUJI ELECTRIC POWER CO., LTD. STATE GRID CORPORATI Effective date: 20121205 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121205 Address after: 461000 No. 178, Jianshe Road, Henan, Xuchang Patentee after: Xuji Group Co., Ltd. Patentee after: Xuji Electric Power Co., Ltd. Patentee after: State Grid Corporation of China Address before: 461000 No. 178, Jianshe Road, Henan, Xuchang Patentee before: Xuji Group Co., Ltd. |
|
CI01 | Correction of invention patent gazette |
Correction item: Patentee Correct: Xuji Group Corporation| No. 1298 Xuchang city in Henan province 461000 XJ Avenue|XJ Electric Co. Ltd, national Power Grid Corp False: Xuji Group Corporation| 461000 No. 178, Jianshe Road, Henan, Xuchang|XJ Electric Co. Ltd, national Power Grid Corp Number: 22 Volume: 25 |
|
ERR | Gazette correction | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20150714 |
|
EXPY | Termination of patent right or utility model |