CN106208138B - It is a kind of based on the distributed generation resource of virtual impedance without ac sensor control method - Google Patents
It is a kind of based on the distributed generation resource of virtual impedance without ac sensor control method Download PDFInfo
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- CN106208138B CN106208138B CN201610653100.3A CN201610653100A CN106208138B CN 106208138 B CN106208138 B CN 106208138B CN 201610653100 A CN201610653100 A CN 201610653100A CN 106208138 B CN106208138 B CN 106208138B
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- power supply
- ref
- distributed power
- voltage
- grid
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000011217 control strategy Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000007665 sagging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000004088 simulation Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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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
-
- 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
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- 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
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Circuit parameter | Numerical value |
Rated voltage of power grid | 220V/50HZ |
Voltage on the direct current side | 450V |
LCL filtering link | L2==6.5MH;R2=8MΩ;Cf=6UF; |
Control parameter | Numerical value |
Switching frequency | 10KHZ |
Cut-off frequency of resonant filter | ωc=2.5RAD/S |
Rv,h(grid-connected mode) | 50Ω |
Droop control (grid-connected mode) | DP=1/500;DP=1/1500;Ki=1/500 |
Rv,h(island mode) | 1Ω |
Lv,h(island mode) | 5MH |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610653100.3A CN106208138B (en) | 2016-08-10 | 2016-08-10 | It is a kind of based on the distributed generation resource of virtual impedance without ac sensor control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610653100.3A CN106208138B (en) | 2016-08-10 | 2016-08-10 | It is a kind of based on the distributed generation resource of virtual impedance without ac sensor control method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106208138A CN106208138A (en) | 2016-12-07 |
CN106208138B true CN106208138B (en) | 2018-12-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610653100.3A Active CN106208138B (en) | 2016-08-10 | 2016-08-10 | It is a kind of based on the distributed generation resource of virtual impedance without ac sensor control method |
Country Status (1)
Country | Link |
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CN (1) | CN106208138B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108574298A (en) * | 2017-12-21 | 2018-09-25 | 国网江苏省电力有限公司南京供电分公司 | A kind of alternating current-direct current mixing micro-capacitance sensor interface converter Control method based on virtual synchronous motor technology |
CN109861271A (en) * | 2018-11-27 | 2019-06-07 | 国网山东省电力公司青岛供电公司 | Distributed control method and system under accumulation energy type micro-capacitance sensor island mode |
CN111435790B (en) * | 2019-01-15 | 2023-01-24 | 华北电力大学(保定) | Micro-source inverter virtual complex impedance power distribution method based on coordinate transformation |
CN110429601A (en) * | 2019-08-27 | 2019-11-08 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A kind of isolated island micro-capacitance sensor PCC node voltage increased quality method |
CN110649649B (en) * | 2019-08-29 | 2023-04-07 | 天津大学 | Low-cost voltage-free sensor carrier phase shifting method used under island microgrid |
CN115642633A (en) * | 2021-07-19 | 2023-01-24 | 华北电力大学(保定) | Inverter current-free sensor control strategy based on active damping optimization |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104578861A (en) * | 2015-02-04 | 2015-04-29 | 国家电网公司 | Microgrid multi-inverter parallel-control method based on frequency division virtual complex impedance |
CN104600753A (en) * | 2015-02-04 | 2015-05-06 | 国家电网公司 | Method for controlling parallel running of micro-grid multi-inverter combination on basis of capacitor voltage differentiation |
-
2016
- 2016-08-10 CN CN201610653100.3A patent/CN106208138B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104578861A (en) * | 2015-02-04 | 2015-04-29 | 国家电网公司 | Microgrid multi-inverter parallel-control method based on frequency division virtual complex impedance |
CN104600753A (en) * | 2015-02-04 | 2015-05-06 | 国家电网公司 | Method for controlling parallel running of micro-grid multi-inverter combination on basis of capacitor voltage differentiation |
Non-Patent Citations (1)
Title |
---|
提高无互联线逆变器并联稳定性的一种功率运算方法;阚加荣等;《电工技术学报》;20070331;第22卷(第3期);第85-90页 * |
Also Published As
Publication number | Publication date |
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CN106208138A (en) | 2016-12-07 |
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CP01 | Change in the name or title of a patent holder |
Address after: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000 Co-patentee after: National Network Intelligent Technology Co., Ltd. Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Co-patentee after: Shandong Zhongshi Yitong Group Co., Ltd. Co-patentee after: State Grid Corporation of China Address before: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000 Co-patentee before: Shandong Luneng Intelligent Technology Co., Ltd. Patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company Co-patentee before: Shandong Zhongshi Yitong Group Co., Ltd. Co-patentee before: State Grid Corporation of China |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210225 Address after: 250002 Wang Yue Road, Ji'nan City, Shandong Province, No. 2000 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Patentee after: SHANDONG ZHONGSHI YITONG GROUP Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 250002 Wang Yue Road, Ji'nan City, Shandong Province, No. 2000 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee before: National Network Intelligent Technology Co.,Ltd. Patentee before: SHANDONG ZHONGSHI YITONG GROUP Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 250002 Wang Yue Road, Ji'nan City, Shandong Province, No. 2000 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Patentee after: SHANDONG ZHONGSHI YITONG GROUP Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 250002 Wang Yue Road, Ji'nan City, Shandong Province, No. 2000 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Patentee before: SHANDONG ZHONGSHI YITONG GROUP Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |
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CP01 | Change in the name or title of a patent holder |