CN115917912A - 一种控制方法和分布式电力系统 - Google Patents
一种控制方法和分布式电力系统 Download PDFInfo
- Publication number
- CN115917912A CN115917912A CN202180052305.5A CN202180052305A CN115917912A CN 115917912 A CN115917912 A CN 115917912A CN 202180052305 A CN202180052305 A CN 202180052305A CN 115917912 A CN115917912 A CN 115917912A
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- CN
- China
- Prior art keywords
- inverter
- voltage
- source mode
- target port
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims description 46
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- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 14
- 238000004590 computer program Methods 0.000 description 13
- 238000004891 communication Methods 0.000 description 11
- 238000010248 power generation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005070 sampling Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 5
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Images
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
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
本申请实施例提供一种控制方法和分布式电力系统，涉及控制技术领域，分布式电力系统包括多个分布式供电单元，多个分布式供电单元均接入交流电网，方法包括：控制逆变器工作于电流源模式，电流源模式为逆变器作为电流源将电源设备产生的直流电转换成交流电输出至交流电网；检测到第一目标端口的电压发生跳变时，控制逆变器从电流源模式切换为电压源模式。这样，可以在安全范围内对逆变器输出电压进行控制，从而在没有检测电压出现异常的原因之前，能对本地负载进行保护，且可以为本地负载提供较为连续的供电。
Description
PCT国内申请，说明书已公开。
Claims (16)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/075241 WO2022165701A1 (zh) | 2021-02-04 | 2021-02-04 | 一种控制方法和分布式电力系统 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115917912A true CN115917912A (zh) | 2023-04-04 |
| CN115917912A8 CN115917912A8 (zh) | 2024-05-10 |
Family
ID=82740759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180052305.5A Pending CN115917912A (zh) | 2021-02-04 | 2021-02-04 | 一种控制方法和分布式电力系统 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230378764A1 (zh) |
| EP (1) | EP4277073A4 (zh) |
| CN (1) | CN115917912A (zh) |
| WO (1) | WO2022165701A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116594476A (zh) * | 2023-06-12 | 2023-08-15 | 深圳市创通新科科技有限公司 | 一种笔记本电脑供电控制方法及系统 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022122683A1 (de) * | 2022-09-07 | 2024-03-07 | Sma Solar Technology Ag | Verfahren zum betreiben eines wechselrichters |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002357670A1 (en) * | 2001-10-26 | 2003-05-12 | Youtility, Inc. | Anti-islanding techniques for distributed power generation |
| CN104393591A (zh) * | 2014-11-20 | 2015-03-04 | 上海追日电气有限公司 | 供电系统 |
| CN105490513B (zh) * | 2016-01-26 | 2018-12-04 | 漳州科华技术有限责任公司 | 一种逆变输出过流保护方法 |
| US10965153B2 (en) * | 2016-02-05 | 2021-03-30 | Duke Energy Corporation | Methods of microgrid communications and connection transitions |
| CN108565895A (zh) * | 2018-05-29 | 2018-09-21 | 傅新鸣 | 一种用于分布式光伏并离网发电方法 |
| CN110021959B (zh) * | 2019-04-02 | 2020-08-28 | 合肥工业大学 | 弱电网下基于短路比的并网逆变器双模式控制方法 |
| CN110556861B (zh) * | 2019-08-23 | 2021-07-30 | 浙江艾罗网络能源技术股份有限公司 | 应用于微型电网系统孤岛模式和并网模式的切换控制方法 |
| CN111384727B (zh) * | 2020-04-30 | 2021-09-03 | 阳光电源股份有限公司 | 一种多路并网发电系统及其控制方法 |
-
2021
- 2021-02-04 CN CN202180052305.5A patent/CN115917912A/zh active Pending
- 2021-02-04 WO PCT/CN2021/075241 patent/WO2022165701A1/zh unknown
- 2021-02-04 EP EP21923726.0A patent/EP4277073A4/en active Pending
-
2023
- 2023-08-02 US US18/229,289 patent/US20230378764A1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116594476A (zh) * | 2023-06-12 | 2023-08-15 | 深圳市创通新科科技有限公司 | 一种笔记本电脑供电控制方法及系统 |
| CN116594476B (zh) * | 2023-06-12 | 2024-03-15 | 深圳市创通新科科技有限公司 | 一种笔记本电脑供电控制方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022165701A1 (zh) | 2022-08-11 |
| US20230378764A1 (en) | 2023-11-23 |
| CN115917912A8 (zh) | 2024-05-10 |
| EP4277073A4 (en) | 2024-04-03 |
| EP4277073A1 (en) | 2023-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI02 | Correction of invention patent application | ||
| CI02 | Correction of invention patent application |
Correction item: PCT international application to national stage day Correct: 2023.02.27 False: 2023.02.23 Number: 14-01 Page: The title page Volume: 39 Correction item: PCT international application to national stage day Correct: 2023.02.27 False: 2023.02.23 Number: 14-01 Volume: 39 |