CN104378068B - 一种光伏组件阵列对地绝缘阻抗检测方法及电路 - Google Patents
一种光伏组件阵列对地绝缘阻抗检测方法及电路 Download PDFInfo
- Publication number
- CN104378068B CN104378068B CN201410673800.XA CN201410673800A CN104378068B CN 104378068 B CN104378068 B CN 104378068B CN 201410673800 A CN201410673800 A CN 201410673800A CN 104378068 B CN104378068 B CN 104378068B
- Authority
- CN
- China
- Prior art keywords
- resistance
- positive
- circuit
- negative
- bleeder circuit
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 claims description 17
- 235000021061 dietary behavior Nutrition 0.000 claims description 15
- 235000006694 eating habits Nutrition 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 102220067365 rs143592561 Human genes 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410673800.XA CN104378068B (zh) | 2014-11-21 | 2014-11-21 | 一种光伏组件阵列对地绝缘阻抗检测方法及电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410673800.XA CN104378068B (zh) | 2014-11-21 | 2014-11-21 | 一种光伏组件阵列对地绝缘阻抗检测方法及电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104378068A CN104378068A (zh) | 2015-02-25 |
CN104378068B true CN104378068B (zh) | 2018-03-16 |
Family
ID=52556777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410673800.XA Active CN104378068B (zh) | 2014-11-21 | 2014-11-21 | 一种光伏组件阵列对地绝缘阻抗检测方法及电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104378068B (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106324359B (zh) * | 2015-06-24 | 2019-11-19 | 中兴通讯股份有限公司 | 光伏逆变器的绝缘阻抗检测方法及装置 |
CN107290671A (zh) * | 2016-04-13 | 2017-10-24 | 江苏陆地方舟新能源电动汽车有限公司 | 一种电动汽车电池的绝缘监测模块 |
CN105785133B (zh) * | 2016-04-15 | 2019-12-13 | 易事特集团股份有限公司 | 一种双路光伏逆变器的对地绝缘电阻检测电路、方法及装置 |
CN105738706A (zh) * | 2016-04-15 | 2016-07-06 | 易事特集团股份有限公司 | 一种光伏逆变器的对地绝缘电阻检测方法及装置 |
CN106093578A (zh) * | 2016-06-07 | 2016-11-09 | 浙江昱能科技有限公司 | 一种逆变器的绝缘电阻检测电路 |
CN106291117B (zh) * | 2016-07-19 | 2018-12-28 | 阳光电源股份有限公司 | 一种直流对地绝缘检测电路以及直流对地绝缘检测方法 |
CN106093586B (zh) * | 2016-08-17 | 2022-10-11 | 苏州爱康能源集团股份有限公司 | 光伏汇流箱直流系统绝缘电阻检测系统及其检测方法 |
CN106207999A (zh) * | 2016-09-14 | 2016-12-07 | 海南天能电力有限公司 | 一种光伏电站直流侧线路的保护方法及装置 |
CN106353695A (zh) * | 2016-10-24 | 2017-01-25 | 郑州云海信息技术有限公司 | 一种直流电源对地绝缘故障检测装置及方法 |
CN106841804B (zh) * | 2016-12-07 | 2020-04-28 | 西安特锐德智能充电科技有限公司 | 绝缘阻抗检测电路及检测方法 |
CN106597103B (zh) * | 2016-12-23 | 2020-05-22 | 阳光电源股份有限公司 | 一种光伏逆变器直流侧绝缘电阻检测方法及控制器 |
CN106997008B (zh) * | 2017-05-31 | 2020-11-10 | 阳光电源股份有限公司 | 一种绝缘检测装置及逆变器 |
CN108512206A (zh) * | 2018-04-13 | 2018-09-07 | 深圳远征技术有限公司 | 一种用于接地电阻测试仪的浪涌保护电路及装置 |
CN109116281A (zh) * | 2018-09-25 | 2019-01-01 | 北京长城华冠汽车科技股份有限公司 | 一种电动汽车电池组绝缘电阻检测电路的诊断系统和方法 |
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 |
CN109521277A (zh) * | 2018-12-03 | 2019-03-26 | 欣旺达电子股份有限公司 | 绝缘性能检测电路及检测方法 |
CN109633357B (zh) * | 2019-01-10 | 2021-06-18 | 许继电源有限公司 | 三母线中多母线接地绝缘监测方法和监测装置 |
CN110045188B (zh) * | 2019-03-27 | 2021-03-02 | 广东电网有限责任公司 | 一种不拆除高压侧引线测量变压器绝缘电阻的系统及方法 |
CN112240954A (zh) * | 2019-07-17 | 2021-01-19 | 上海海拉电子有限公司 | 一种绝缘检测电路及方法 |
CN110346643A (zh) * | 2019-07-23 | 2019-10-18 | 安徽贵博新能科技有限公司 | 一种电池绝缘电阻检测电路及检测方法 |
CN110456157B (zh) * | 2019-09-02 | 2021-12-07 | 西安特锐德智能充电科技有限公司 | 一种绝缘阻抗检测方法与装置 |
CN112327055A (zh) * | 2020-11-09 | 2021-02-05 | 爱士惟新能源技术(扬中)有限公司 | 一种用于光伏逆变器的绝缘阻抗检测电路及方法 |
CN114910699A (zh) * | 2021-02-09 | 2022-08-16 | 华为数字能源技术有限公司 | 一种变换器系统、系统绝缘阻抗检测方法、装置及介质 |
WO2022241648A1 (zh) * | 2021-05-18 | 2022-11-24 | 深圳欣锐科技股份有限公司 | 一种双向车载充电机绝缘阻抗检测电路及方法 |
CN113391125B (zh) * | 2021-06-11 | 2024-01-05 | 合肥阳光电动力科技有限公司 | 一种绝缘检测电路、检测方法及供电电路 |
CN115656637B (zh) * | 2022-10-24 | 2024-03-26 | 中南大学 | 一种低成本光伏板对地绝缘阻抗检测电路及检测方法 |
CN115792382B (zh) * | 2022-11-29 | 2024-01-05 | 上能电气股份有限公司 | 一种光储逆变器对地绝缘阻抗检测装置及方法 |
CN116413516B (zh) * | 2023-06-12 | 2023-08-29 | 深圳市首航新能源股份有限公司 | 绝缘阻抗检测方法及电路、光伏逆变器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102279317A (zh) * | 2011-06-23 | 2011-12-14 | 广东易事特电源股份有限公司 | 光伏并网逆变器的对地绝缘电阻在线检测方法 |
CN102798760A (zh) * | 2012-08-16 | 2012-11-28 | 阳光电源股份有限公司 | 一种光伏阵列对地绝缘阻抗检测方法及电路 |
CN203396844U (zh) * | 2013-06-08 | 2014-01-15 | 广东明阳龙源电力电子有限公司 | 用于光伏发电系统的直流母线对地绝缘电阻检测系统 |
CN103983857A (zh) * | 2014-04-25 | 2014-08-13 | 南车株洲电力机车研究所有限公司 | 一种直流绝缘监测电路和方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5514842B2 (ja) * | 2012-01-18 | 2014-06-04 | 光商工株式会社 | 直流非接地式電路の絶縁監視装置と監視方法 |
-
2014
- 2014-11-21 CN CN201410673800.XA patent/CN104378068B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102279317A (zh) * | 2011-06-23 | 2011-12-14 | 广东易事特电源股份有限公司 | 光伏并网逆变器的对地绝缘电阻在线检测方法 |
CN102798760A (zh) * | 2012-08-16 | 2012-11-28 | 阳光电源股份有限公司 | 一种光伏阵列对地绝缘阻抗检测方法及电路 |
CN203396844U (zh) * | 2013-06-08 | 2014-01-15 | 广东明阳龙源电力电子有限公司 | 用于光伏发电系统的直流母线对地绝缘电阻检测系统 |
CN103983857A (zh) * | 2014-04-25 | 2014-08-13 | 南车株洲电力机车研究所有限公司 | 一种直流绝缘监测电路和方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104378068A (zh) | 2015-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104378068B (zh) | 一种光伏组件阵列对地绝缘阻抗检测方法及电路 | |
CN205246760U (zh) | 一种光伏组件阵列对地绝缘阻抗检测电路 | |
CN104601108B (zh) | 一种小型光伏电站的故障诊断方法 | |
CN203396844U (zh) | 用于光伏发电系统的直流母线对地绝缘电阻检测系统 | |
CN104702208B (zh) | 大功率光伏逆变器的光伏方阵对地绝缘阻抗在线检测系统 | |
CN205792451U (zh) | 一种光伏并网系统的故障检测装置 | |
CN106771870A (zh) | 一种配电网接地故障定位方法及系统 | |
CN105553421B (zh) | 一种光伏发电系统在线iv曲线测试装置及测试方法 | |
CN103678872A (zh) | 一种光伏发电系统性能评估方法及装置 | |
CN105548755A (zh) | 通过单一接地绝缘阻抗检测网络检测逆变器交、直流侧接地的方法 | |
CN104330712A (zh) | 一种充电机绝缘检测装置和绝缘检测方法 | |
CN103063927A (zh) | 光伏逆变器的对地阻抗检测电路及方法 | |
Muñoz et al. | DC energy yield prediction in large monocrystalline and polycrystalline PV plants: Time-domain integration of Osterwald's model | |
CN104833900A (zh) | 小电流单相接地故障的综合选线方法 | |
CN107040205A (zh) | 一种用于光伏电站的设备监测装置 | |
CN106203879A (zh) | 一种光伏电站系统效率计算方法 | |
KR20130047898A (ko) | 태양광 전지모듈별 고장 진단 가능한 태양광 발전 모니터링 장치 및 이를 이용한 태양광 발전 시스템의 고장진단 방법 | |
CN202512197U (zh) | 一种汇流箱的熔断器状态检测系统 | |
CN104362976B (zh) | 一种利用遮蔽法检测光伏发电系统故障点的方法 | |
CN105606897B (zh) | 支路绝缘阻抗监测及光伏发电方法、逆变器及光伏系统 | |
CN103827681B (zh) | 故障检测装置及其检测方法 | |
CN204481761U (zh) | 大功率光伏逆变器的光伏方阵对地绝缘阻抗在线检测系统 | |
CN106207999A (zh) | 一种光伏电站直流侧线路的保护方法及装置 | |
CN104655973B (zh) | 一种ups系统中检测电池模块短路的方法和装置 | |
CN102608492A (zh) | 一种汇流箱的熔断器状态检测系统及其方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Kolding road high tech Zone of Suzhou City, Jiangsu Province, No. 78 215011 Applicant after: Esma new energy technology (Jiangsu) Co.,Ltd. Address before: Kolding road high tech Zone of Suzhou City, Jiangsu Province, No. 78 215011 Applicant before: Jiangsu Zhaofu Aisuo New Energy Co.,Ltd. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 215000 Factory Building No. 1989 Xiangyang Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: Esway new energy technology (Jiangsu) Co.,Ltd. Address before: 215011 No. 78 Keling Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: Esma new energy technology (Jiangsu) Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 200000 room 905b, 757 Mengzi Road, Huangpu District, Shanghai Patentee after: Asway Technology (Shanghai) Co.,Ltd. Address before: 215000 Factory Building No. 1989 Xiangyang Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: Esway new energy technology (Jiangsu) Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP01 | Change in the name or title of a patent holder |
Address after: 200000 room 905b, 757 Mengzi Road, Huangpu District, Shanghai Patentee after: Elsevier Technology Co.,Ltd. Address before: 200000 room 905b, 757 Mengzi Road, Huangpu District, Shanghai Patentee before: Asway Technology (Shanghai) Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |