CN105977936A - 基于电压谐波序分量的孤岛检测方法 - Google Patents
基于电压谐波序分量的孤岛检测方法 Download PDFInfo
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- CN105977936A CN105977936A CN201610292555.7A CN201610292555A CN105977936A CN 105977936 A CN105977936 A CN 105977936A CN 201610292555 A CN201610292555 A CN 201610292555A CN 105977936 A CN105977936 A CN 105977936A
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- sequence component
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations
- H02H3/52—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations responsive to the appearance of harmonics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
Abstract
Description
Claims (3)
Priority Applications (1)
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CN201610292555.7A CN105977936B (zh) | 2016-05-05 | 2016-05-05 | 基于电压谐波序分量的孤岛检测方法 |
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CN201610292555.7A CN105977936B (zh) | 2016-05-05 | 2016-05-05 | 基于电压谐波序分量的孤岛检测方法 |
Publications (2)
Publication Number | Publication Date |
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CN105977936A true CN105977936A (zh) | 2016-09-28 |
CN105977936B CN105977936B (zh) | 2018-05-29 |
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CN201610292555.7A Active CN105977936B (zh) | 2016-05-05 | 2016-05-05 | 基于电压谐波序分量的孤岛检测方法 |
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CN (1) | CN105977936B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107436387A (zh) * | 2017-07-20 | 2017-12-05 | 西安科技大学 | 基于谐波阻抗序分量的光伏并网的孤岛检测方法 |
CN111864803A (zh) * | 2020-08-14 | 2020-10-30 | 阳光电源股份有限公司 | 一种光伏并网系统及其孤岛检测方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011193652A (ja) * | 2010-03-15 | 2011-09-29 | Oki Joho Systems:Kk | 単独運転判定装置 |
CN102270854A (zh) * | 2011-08-05 | 2011-12-07 | 华北电力大学 | 基于电压谐波畸变率正反馈的孤岛检测方法 |
CN103954870A (zh) * | 2014-05-19 | 2014-07-30 | 华北电力大学 | 一种串联谐振与相位跳变相结合的孤岛检测方法 |
CN104793148A (zh) * | 2015-04-30 | 2015-07-22 | 国家电网公司 | 基于并网点特征谐波电压测量的分布式电源孤岛检测方法 |
-
2016
- 2016-05-05 CN CN201610292555.7A patent/CN105977936B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011193652A (ja) * | 2010-03-15 | 2011-09-29 | Oki Joho Systems:Kk | 単独運転判定装置 |
CN102270854A (zh) * | 2011-08-05 | 2011-12-07 | 华北电力大学 | 基于电压谐波畸变率正反馈的孤岛检测方法 |
CN103954870A (zh) * | 2014-05-19 | 2014-07-30 | 华北电力大学 | 一种串联谐振与相位跳变相结合的孤岛检测方法 |
CN104793148A (zh) * | 2015-04-30 | 2015-07-22 | 国家电网公司 | 基于并网点特征谐波电压测量的分布式电源孤岛检测方法 |
Non-Patent Citations (1)
Title |
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青桃等: "《光伏发电系统并网点谐波电压波动特征孤岛检测法》", 《电力系统保护与控制》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107436387A (zh) * | 2017-07-20 | 2017-12-05 | 西安科技大学 | 基于谐波阻抗序分量的光伏并网的孤岛检测方法 |
CN111864803A (zh) * | 2020-08-14 | 2020-10-30 | 阳光电源股份有限公司 | 一种光伏并网系统及其孤岛检测方法 |
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Publication number | Publication date |
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CN105977936B (zh) | 2018-05-29 |
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Effective date of registration: 20201209 Address after: North of Northwest Ring Road, Huahua Road, Shan county, Heze City, Shandong Province Patentee after: Qi Siying Address before: Room 301, building 2, No. 40, xiayuangang East Street, Yuangang village, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee before: Guangzhou Huansheng Technology Co.,Ltd. Effective date of registration: 20201209 Address after: Room 301, building 2, No. 40, xiayuangang East Street, Yuangang village, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Huansheng Technology Co.,Ltd. Address before: 710054 Shaanxi province Xi'an Beilin District Yanta Road No. 58 Patentee before: XI'AN University OF SCIENCE AND TECHNOLOGY |
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Effective date of registration: 20211018 Address after: 274300 plant 6, precision manufacturing industrial park, horticulture street, Shan county, Heze City, Shandong Province Patentee after: Heze fuzhiyuan Electrical Equipment Co.,Ltd. Address before: North of Northwest Ring Road, Huahua Road, Shan county, Heze City, Shandong Province Patentee before: Qi Siying |