CN112564163B - Micro-grid island detection method and system based on small signal synchronous injection - Google Patents
Micro-grid island detection method and system based on small signal synchronous injection Download PDFInfo
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- CN112564163B CN112564163B CN202011340365.0A CN202011340365A CN112564163B CN 112564163 B CN112564163 B CN 112564163B CN 202011340365 A CN202011340365 A CN 202011340365A CN 112564163 B CN112564163 B CN 112564163B
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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
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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
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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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
- H02J3/381—Dispersed generators
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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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
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CN202011340365.0A CN112564163B (en) | 2020-11-25 | 2020-11-25 | Micro-grid island detection method and system based on small signal synchronous injection |
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CN202011340365.0A CN112564163B (en) | 2020-11-25 | 2020-11-25 | Micro-grid island detection method and system based on small signal synchronous injection |
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CN112564163A CN112564163A (en) | 2021-03-26 |
CN112564163B true CN112564163B (en) | 2023-06-20 |
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Families Citing this family (1)
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CN113364038B (en) * | 2021-06-25 | 2022-06-03 | 山东理工大学 | Inverter frequency control-based multi-distributed power supply island detection method |
Citations (6)
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---|---|---|---|---|
CN103983873A (en) * | 2014-05-19 | 2014-08-13 | 国网宁夏电力公司 | Island detection method suitable for multi-inverter parallel operation and based on impedance measurement |
CN104578168A (en) * | 2015-02-04 | 2015-04-29 | 国家电网公司 | Smooth switching control method for operating mode of micro-grid inverter of different capacity micro sources |
CN107069818A (en) * | 2017-04-26 | 2017-08-18 | 西安交通大学 | A kind of seamless switching control system and method based on hybrid control strategy |
CN108594046A (en) * | 2018-06-04 | 2018-09-28 | 西安科技大学 | Island detection method based on comprehensive impedance fundametal compoment |
CN109490638A (en) * | 2018-11-27 | 2019-03-19 | 华北电力大学 | The impedance measurement formula isolated island detection method of the grid-connected direct current power system of more photo-voltaic power supplies |
CN109936169A (en) * | 2017-12-15 | 2019-06-25 | 台达电子企业管理(上海)有限公司 | Uneven and harmonic power distribution control method and device between shunt chopper |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10935588B2 (en) * | 2017-05-31 | 2021-03-02 | Schneider Electric Solar Inverters Usa, Inc. | Systems and methods for islanding detection |
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2020
- 2020-11-25 CN CN202011340365.0A patent/CN112564163B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103983873A (en) * | 2014-05-19 | 2014-08-13 | 国网宁夏电力公司 | Island detection method suitable for multi-inverter parallel operation and based on impedance measurement |
CN104578168A (en) * | 2015-02-04 | 2015-04-29 | 国家电网公司 | Smooth switching control method for operating mode of micro-grid inverter of different capacity micro sources |
CN107069818A (en) * | 2017-04-26 | 2017-08-18 | 西安交通大学 | A kind of seamless switching control system and method based on hybrid control strategy |
CN109936169A (en) * | 2017-12-15 | 2019-06-25 | 台达电子企业管理(上海)有限公司 | Uneven and harmonic power distribution control method and device between shunt chopper |
CN108594046A (en) * | 2018-06-04 | 2018-09-28 | 西安科技大学 | Island detection method based on comprehensive impedance fundametal compoment |
CN109490638A (en) * | 2018-11-27 | 2019-03-19 | 华北电力大学 | The impedance measurement formula isolated island detection method of the grid-connected direct current power system of more photo-voltaic power supplies |
Non-Patent Citations (4)
Title |
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A Small-AC-Signal Injection-Based Decentralized Secondary Frequency Control for Droop-Controlled Islanded Microgrids;Zeng Liu;《 IEEE Transactions on Power Electronics》;20200330;全文 * |
Active Islanding Detection for Multiple Parallel-Connected Inverter-Based Distributed Generators Using High-Frequency Signal Injection;David Reigosa;《IEEE Transactions on Power》;20130517;全文 * |
基于本地检测法的微电网孤岛检测方法研究;刘忠强等;《发电技术》;20190430(第02期);全文 * |
基于电网阻抗测量的新型主动式孤岛检测法;唐婷等;《电源学报》;20121115(第06期);全文 * |
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Effective date of registration: 20220316 Address after: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Applicant after: XI'AN JIAOTONG University Applicant after: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. Address before: 710049 No. 28 West Xianning Road, Shaanxi, Xi'an Applicant before: XI'AN JIAOTONG University |
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