CN104917458B - 一种无传感器检测输出电流的方法及其电路 - Google Patents
一种无传感器检测输出电流的方法及其电路 Download PDFInfo
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- CN104917458B CN104917458B CN201510266627.6A CN201510266627A CN104917458B CN 104917458 B CN104917458 B CN 104917458B CN 201510266627 A CN201510266627 A CN 201510266627A CN 104917458 B CN104917458 B CN 104917458B
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- current
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- control inductance
- output current
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
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- 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
Landscapes
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
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CN201510266627.6A CN104917458B (zh) | 2015-05-22 | 2015-05-22 | 一种无传感器检测输出电流的方法及其电路 |
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CN201510266627.6A CN104917458B (zh) | 2015-05-22 | 2015-05-22 | 一种无传感器检测输出电流的方法及其电路 |
Publications (2)
Publication Number | Publication Date |
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CN104917458A CN104917458A (zh) | 2015-09-16 |
CN104917458B true CN104917458B (zh) | 2017-12-15 |
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CN201510266627.6A Active CN104917458B (zh) | 2015-05-22 | 2015-05-22 | 一种无传感器检测输出电流的方法及其电路 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109391232B (zh) * | 2017-08-02 | 2020-07-07 | 丰郅(上海)新能源科技有限公司 | 应用于光伏功率优化器的电流检测装置 |
CN110138200B (zh) * | 2019-06-24 | 2021-11-02 | 深圳前海云充科技有限公司 | 一种自动感应负载、自动开机的逆变器省电方法 |
CN111721997A (zh) * | 2020-06-30 | 2020-09-29 | 湖南常德牌水表制造有限公司 | 一种电流检测方法、电流检测装置及水表 |
IT202100009884A1 (it) * | 2021-04-19 | 2022-10-19 | Giuseppe Ragonese | Impianto di pannelli fotovoltaici e relativo metodo di funzionamento in sicurezza. |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010070952A1 (ja) * | 2008-12-18 | 2010-06-24 | 株式会社田原電機製作所 | 太陽電池の特性測定装置 |
CN102043419A (zh) * | 2009-10-09 | 2011-05-04 | 盈威力新能源科技(上海)有限公司 | 一种无电流传感器的最大功率点跟踪方法 |
CN201945629U (zh) * | 2010-11-25 | 2011-08-24 | 江苏中澳光伏能源科技有限公司 | 光伏逆变器交流电压采样电路 |
CN202281961U (zh) * | 2011-10-31 | 2012-06-20 | 常州佳讯光电产业发展有限公司 | 一种光伏逆变器交流源的电流调节系统 |
CN202444279U (zh) * | 2012-02-23 | 2012-09-19 | 盐城正邦环保科技有限公司 | 一种防逆流系统 |
CN203643497U (zh) * | 2013-12-24 | 2014-06-11 | 青岛伏科太阳能有限公司 | 一种光伏系统电流检测电路 |
CA2902428A1 (en) * | 2014-10-31 | 2016-04-30 | Majid Pahlevaninezhad | Current sensorless mppt for pv micro-inverters |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101867291A (zh) * | 2009-04-17 | 2010-10-20 | 吕斌 | 户用太阳能光伏逆变器 |
CN103904994B (zh) * | 2014-03-28 | 2016-06-22 | 华为技术有限公司 | 一种漏电流的检测方法和装置 |
-
2015
- 2015-05-22 CN CN201510266627.6A patent/CN104917458B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010070952A1 (ja) * | 2008-12-18 | 2010-06-24 | 株式会社田原電機製作所 | 太陽電池の特性測定装置 |
CN102043419A (zh) * | 2009-10-09 | 2011-05-04 | 盈威力新能源科技(上海)有限公司 | 一种无电流传感器的最大功率点跟踪方法 |
CN201945629U (zh) * | 2010-11-25 | 2011-08-24 | 江苏中澳光伏能源科技有限公司 | 光伏逆变器交流电压采样电路 |
CN202281961U (zh) * | 2011-10-31 | 2012-06-20 | 常州佳讯光电产业发展有限公司 | 一种光伏逆变器交流源的电流调节系统 |
CN202444279U (zh) * | 2012-02-23 | 2012-09-19 | 盐城正邦环保科技有限公司 | 一种防逆流系统 |
CN203643497U (zh) * | 2013-12-24 | 2014-06-11 | 青岛伏科太阳能有限公司 | 一种光伏系统电流检测电路 |
CA2902428A1 (en) * | 2014-10-31 | 2016-04-30 | Majid Pahlevaninezhad | Current sensorless mppt for pv micro-inverters |
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Address after: 215163 Kunlun high tech Zone, Jiangsu Province, Suzhou City Road, No. 189 Applicant after: JIANGSU GOODWE POWER SUPPLY TECHNOLOGY CO., LTD. Address before: 215163 Kunlun high tech Zone, Jiangsu Province, Suzhou City Road, No. 189 Applicant before: Jiangsu Goodwe Power Supply Technology Co., Ltd. |
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Address after: 215000 No. 90, Zijin Road, high tech Zone, Suzhou, Jiangsu Patentee after: Goodway Technology Co.,Ltd. Address before: 215163 No. 189 Kunlun mountain road, hi tech Zone, Suzhou, Jiangsu Patentee before: JIANGSU GOODWE POWER SUPPLY TECHNOLOGY Co.,Ltd. |