CN114190111A - 供电***及其供电控制方法 - Google Patents

供电***及其供电控制方法 Download PDF

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Publication number
CN114190111A
CN114190111A CN202080005411.3A CN202080005411A CN114190111A CN 114190111 A CN114190111 A CN 114190111A CN 202080005411 A CN202080005411 A CN 202080005411A CN 114190111 A CN114190111 A CN 114190111A
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CN
China
Prior art keywords
photovoltaic
voltage
power supply
adapter
photovoltaic module
Prior art date
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.)
Pending
Application number
CN202080005411.3A
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English (en)
Inventor
郑木桂
叶万祥
冯涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Digital Power Technologies Co Ltd
Original Assignee
Huawei Digital Power Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Digital Power Technologies Co Ltd filed Critical Huawei Digital Power Technologies Co Ltd
Publication of CN114190111A publication Critical patent/CN114190111A/zh
Pending legal-status Critical Current

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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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/102—Parallel operation of dc sources being switching converters
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • 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
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

本申请提供一种供电***，该供电***包括至少两个光伏组件组，一个光伏组件组中包括至少一个光伏组件，上述至少一个光伏组件连接至少一个光伏适配器，同一光伏组件组的光伏组件所连接的光伏适配器串联。该供电***还包括汇流盒、母线和集中监控***。至少两个光伏组件组中各光伏组件组的光伏适配器串联之后并联至汇流盒，并通过汇流盒连接母线。集中监控***用于根据母线的电压控制各光伏组件所连接的光伏适配器调整其输出电压至目标电压。基于本申请，可提高供电***的管理灵活性，增强供电***的供电可靠性，适用性强。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202080005411.3A 2020-07-15 2020-07-15 供电***及其供电控制方法 Pending CN114190111A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/102080 WO2022011591A1 (zh) 2020-07-15 2020-07-15 供电***及其供电控制方法

Publications (1)

Publication Number Publication Date
CN114190111A true CN114190111A (zh) 2022-03-15

Family

ID=79555935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080005411.3A Pending CN114190111A (zh) 2020-07-15 2020-07-15 供电***及其供电控制方法

Country Status (4)

Country Link
US (1) US20230163590A1 (zh)
EP (1) EP4181393A4 (zh)
CN (1) CN114190111A (zh)
WO (1) WO2022011591A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115296409A (zh) * 2022-08-10 2022-11-04 深圳市拓普联科技术股份有限公司 电源适配装置、用电设备及电源传输***

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2546947A2 (en) * 2011-07-14 2013-01-16 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
CN103490650A (zh) * 2012-06-14 2014-01-01 江南大学 分布式光伏功率优化器以及控制方法
CN105811461A (zh) * 2016-05-04 2016-07-27 中国华能集团清洁能源技术研究院有限公司 光伏发电***及其控制方法
CN109428544A (zh) * 2017-09-04 2019-03-05 丰郅(上海)新能源科技有限公司 在电池串组中实现将光伏组件接入或移除的切换方法

Family Cites Families (8)

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US7962249B1 (en) * 2008-05-14 2011-06-14 National Semiconductor Corporation Method and system for providing central control in an energy generating system
CN203326921U (zh) * 2012-06-14 2013-12-04 江南大学 一种新型光伏功率优化器
US9543455B2 (en) * 2013-05-01 2017-01-10 Tigo Energy, Inc. System and method for low-cost, high-efficiency solar panel power feed
CN203967762U (zh) * 2014-06-12 2014-11-26 国电光伏有限公司 一种新型智能光伏发电***
JP6551143B2 (ja) * 2015-10-19 2019-07-31 オムロン株式会社 パワーコンディショナ及び太陽光発電システム
EP4080710A1 (en) * 2016-05-09 2022-10-26 SolarEdge Technologies Ltd. Maximizing power in a photovoltaic distributed power system
CN106788216B (zh) * 2017-02-10 2020-01-24 阳光电源股份有限公司 一种光伏逆变***以及光伏逆变方法
CN106941263B (zh) * 2017-04-24 2019-04-23 浙江大学 一种可以实现分布式mppt的集中式光伏发电***

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2546947A2 (en) * 2011-07-14 2013-01-16 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
CN103490650A (zh) * 2012-06-14 2014-01-01 江南大学 分布式光伏功率优化器以及控制方法
CN105811461A (zh) * 2016-05-04 2016-07-27 中国华能集团清洁能源技术研究院有限公司 光伏发电***及其控制方法
CN109428544A (zh) * 2017-09-04 2019-03-05 丰郅(上海)新能源科技有限公司 在电池串组中实现将光伏组件接入或移除的切换方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115296409A (zh) * 2022-08-10 2022-11-04 深圳市拓普联科技术股份有限公司 电源适配装置、用电设备及电源传输***

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Publication number Publication date
WO2022011591A1 (zh) 2022-01-20
EP4181393A1 (en) 2023-05-17
EP4181393A4 (en) 2023-08-16
US20230163590A1 (en) 2023-05-25

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