CN105911408A - 适用于逆变器的对地故障检测电路、逆变器及其故障检测方法 - Google Patents
适用于逆变器的对地故障检测电路、逆变器及其故障检测方法 Download PDFInfo
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- CN105911408A CN105911408A CN201610221535.0A CN201610221535A CN105911408A CN 105911408 A CN105911408 A CN 105911408A CN 201610221535 A CN201610221535 A CN 201610221535A CN 105911408 A CN105911408 A CN 105911408A
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- inverter
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- 238000000034 method Methods 0.000 title abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Inverter Devices (AREA)
Abstract
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CN201610221535.0A CN105911408B (zh) | 2016-04-11 | 2016-04-11 | 适用于逆变器的对地故障检测电路、逆变器及其故障检测方法 |
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CN201610221535.0A CN105911408B (zh) | 2016-04-11 | 2016-04-11 | 适用于逆变器的对地故障检测电路、逆变器及其故障检测方法 |
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CN105911408A true CN105911408A (zh) | 2016-08-31 |
CN105911408B CN105911408B (zh) | 2018-12-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107505533A (zh) * | 2017-09-14 | 2017-12-22 | 艾思玛新能源技术(扬中)有限公司 | 并网逆变器的火线接地故障检测方法及采样信号处理方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1118878A (zh) * | 1994-02-07 | 1996-03-20 | 三菱电机株式会社 | 逆变器系统故障检测装置 |
CN104181472A (zh) * | 2013-05-20 | 2014-12-03 | Ls产电株式会社 | 检测逆变器系统中的电力电缆状态的方法 |
CN104730412A (zh) * | 2013-12-18 | 2015-06-24 | 恩菲斯能源公司 | 用于接地故障检测的方法和装置 |
CN104767429A (zh) * | 2015-03-11 | 2015-07-08 | 西北工业大学 | 无刷直流电机功率逆变器上电自检装置及自检方法 |
CN104950207A (zh) * | 2014-03-25 | 2015-09-30 | 艾默生网络能源有限公司 | 一种光伏逆变器的短路检测方法和装置 |
US20150311862A1 (en) * | 2014-04-28 | 2015-10-29 | Lsis Co., Ltd. | Apparatus for monitoring leakage current of transformer-less photovoltaic inverter |
CN205015423U (zh) * | 2015-07-22 | 2016-02-03 | 上海正泰电源系统有限公司 | 光伏逆变器的负极接地与故障检测装置 |
-
2016
- 2016-04-11 CN CN201610221535.0A patent/CN105911408B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1118878A (zh) * | 1994-02-07 | 1996-03-20 | 三菱电机株式会社 | 逆变器系统故障检测装置 |
CN104181472A (zh) * | 2013-05-20 | 2014-12-03 | Ls产电株式会社 | 检测逆变器系统中的电力电缆状态的方法 |
CN104730412A (zh) * | 2013-12-18 | 2015-06-24 | 恩菲斯能源公司 | 用于接地故障检测的方法和装置 |
CN104950207A (zh) * | 2014-03-25 | 2015-09-30 | 艾默生网络能源有限公司 | 一种光伏逆变器的短路检测方法和装置 |
US20150311862A1 (en) * | 2014-04-28 | 2015-10-29 | Lsis Co., Ltd. | Apparatus for monitoring leakage current of transformer-less photovoltaic inverter |
CN104767429A (zh) * | 2015-03-11 | 2015-07-08 | 西北工业大学 | 无刷直流电机功率逆变器上电自检装置及自检方法 |
CN205015423U (zh) * | 2015-07-22 | 2016-02-03 | 上海正泰电源系统有限公司 | 光伏逆变器的负极接地与故障检测装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107505533A (zh) * | 2017-09-14 | 2017-12-22 | 艾思玛新能源技术(扬中)有限公司 | 并网逆变器的火线接地故障检测方法及采样信号处理方法 |
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Denomination of invention: To-earth fault detecting circuit suitable for inverter, inverter and fault detecting method therefor Effective date of registration: 20200611 Granted publication date: 20181204 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: Zhejiang Yuneng Technology Co.,Ltd. Registration number: Y2020330000337 |
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Address after: 3 / F, building 1, No. 1, Asia Pacific Road (Jiaxing Science and technology city), Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Yuneng Technology Co.,Ltd. Address before: 314050, No. 1 Asia Pacific Road, Nanhu District, Zhejiang, Jiaxing (Jiaxing science and technology city) Patentee before: Zhejiang Yuneng Technology Co.,Ltd. |
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Granted publication date: 20181204 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: Zhejiang Yuneng Technology Co.,Ltd. Registration number: Y2020330000337 |