CN112868153A - 一种应用于光伏发电系统的变换器、方法及系统 - Google Patents

一种应用于光伏发电系统的变换器、方法及系统 Download PDF

Info

Publication number
CN112868153A
CN112868153A CN201980068255.2A CN201980068255A CN112868153A CN 112868153 A CN112868153 A CN 112868153A CN 201980068255 A CN201980068255 A CN 201980068255A CN 112868153 A CN112868153 A CN 112868153A
Authority
CN
China
Prior art keywords
converter
photovoltaic
power
circuit
series
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.)
Granted
Application number
CN201980068255.2A
Other languages
English (en)
Other versions
CN112868153B (zh
Inventor
顾桂磊
姚晓锋
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 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 Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN112868153A publication Critical patent/CN112868153A/zh
Application granted granted Critical
Publication of CN112868153B publication Critical patent/CN112868153B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • 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
    • H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
    • 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
    • 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
    • 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
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)

Abstract

本申请提供了一种应用于光伏发电系统的变换器、方法及系统。其中，该变换器包括：控制器和至少一个开关管；所述变换器支持至少两个光伏单元接入，所述至少两个光伏单元在变换器内部通过所述开关管串联；所述光伏单元为至少一个光伏组件通过串并联形成；所述控制器，用于在接收到关机指令或者在预设时间段内丢失心跳指令时，控制所述开关管断开以使任意两个串联在一起的所述光伏单元断开连接。利用本申请提供的变换器，能够在光伏发电系统关机时将任意两个串联的光伏单元断开连接，使光伏单元形成的光伏阵列内不存在危险高压，从而提升光伏发电系统的安全性。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201980068255.2A 2019-07-11 2019-07-11 一种应用于光伏发电系统的变换器、方法及系统 Active CN112868153B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/095545 WO2021003728A1 (zh) 2019-07-11 2019-07-11 一种应用于光伏发电系统的变换器、方法及系统

Publications (2)

Publication Number Publication Date
CN112868153A true CN112868153A (zh) 2021-05-28
CN112868153B CN112868153B (zh) 2022-12-13

Family

ID=74114334

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980068255.2A Active CN112868153B (zh) 2019-07-11 2019-07-11 一种应用于光伏发电系统的变换器、方法及系统

Country Status (6)

Country Link
US (1) US20210351592A1 (zh)
EP (1) EP3905465B1 (zh)
CN (1) CN112868153B (zh)
AU (1) AU2019455851A1 (zh)
ES (1) ES2970048T3 (zh)
WO (1) WO2021003728A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113489052A (zh) * 2021-06-11 2021-10-08 浙江英达威芯电子有限公司 一种关断设备的控制方法、装置及关断设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115360767B (zh) * 2022-07-22 2023-10-27 浙江腾圣储能技术有限公司 双组件串联输入功率微逆控制装置及方法
CN116169997B (zh) * 2023-02-22 2023-08-22 上海劭能新能源科技有限公司 一种支持两路光伏组件不同控制方式的快速关断器及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105723614A (zh) * 2013-12-17 2016-06-29 太阳能公司 电压限幅
CN106602504A (zh) * 2017-02-28 2017-04-26 阳光电源股份有限公司 一种光伏快速关断装置及光伏系统
CN107078691A (zh) * 2014-10-28 2017-08-18 太阳能公司 光伏模块或阵列关闭
CN109245711A (zh) * 2018-11-26 2019-01-18 海宁昱能电子有限公司 一种光伏系统安全保护设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8933321B2 (en) * 2009-02-05 2015-01-13 Tigo Energy, Inc. Systems and methods for an enhanced watchdog in solar module installations
US9466737B2 (en) * 2009-10-19 2016-10-11 Ampt, Llc Solar panel string converter topology
US8854193B2 (en) * 2009-12-29 2014-10-07 Tigo Energy, Inc. Systems and methods for remote or local shut-off of a photovoltaic system
DE102010055550A1 (de) * 2010-12-22 2012-06-28 Sma Solar Technology Ag Wechselrichter, Energieerzeugungsanlage und Verfahren zum Betrieb einer Energieerzeugungsanlage
WO2012100263A2 (en) * 2011-01-21 2012-07-26 Ampt, Llc Abnormality detection architecture and methods for photovoltaic systems
JP2012254008A (ja) * 2011-05-31 2012-12-20 Sensata Technologies Inc 電力発生器モジュールの接続性制御
DE102013210367A1 (de) * 2013-06-04 2014-12-04 Kaco New Energy Gmbh Verfahren zum Betreiben einer Schaltungsanordnung und Schaltungsanordnung
US10348094B2 (en) * 2015-01-28 2019-07-09 Abb Schweiz Ag Energy panel arrangement shutdown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105723614A (zh) * 2013-12-17 2016-06-29 太阳能公司 电压限幅
CN107078691A (zh) * 2014-10-28 2017-08-18 太阳能公司 光伏模块或阵列关闭
CN106602504A (zh) * 2017-02-28 2017-04-26 阳光电源股份有限公司 一种光伏快速关断装置及光伏系统
CN109245711A (zh) * 2018-11-26 2019-01-18 海宁昱能电子有限公司 一种光伏系统安全保护设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113489052A (zh) * 2021-06-11 2021-10-08 浙江英达威芯电子有限公司 一种关断设备的控制方法、装置及关断设备

Also Published As

Publication number Publication date
WO2021003728A1 (zh) 2021-01-14
AU2019455851A1 (en) 2022-02-03
US20210351592A1 (en) 2021-11-11
CN112868153B (zh) 2022-12-13
ES2970048T3 (es) 2024-05-24
EP3905465B1 (en) 2023-12-06
EP3905465A1 (en) 2021-11-03
EP3905465A4 (en) 2022-01-19

Similar Documents

Publication Publication Date Title
CN109038669B (zh) 实现组件级自动关断的光伏系统
US8618456B2 (en) Inverter for a three-phase AC photovoltaic system
US11539212B2 (en) Photovoltaic power generation system and photovoltaic power transmission method
EP2899606A1 (en) Power conditioner, and method for controlling same
US20130279228A1 (en) System and method for improving low-load efficiency of high power converters
CN112868153B (zh) 一种应用于光伏发电系统的变换器、方法及系统
CN101946392A (zh) 光伏逆变器接口装置、系统和方法
CN102163851A (zh) 用于电力转换器系统的控制方法
EP3442116A1 (en) Installation for powering auxiliary equipment in electrical energy generation plants
US20230046346A1 (en) Power System
KR20160129265A (ko) 태양광 컨버터 및 에너지 저장 컨버터를 이용한 계통 연계형 통합 장치
CN110429644B (zh) 逆变装置及供电系统
EP4262042A1 (en) Energy storage system
CN109245711B (zh) 一种光伏系统安全保护设备
CN112217193B (zh) 光伏制氢电站和直流耦合光伏离网制氢系统及其控制方法
US20220200290A1 (en) Power System
CN113131509B (zh) 一种光伏逆变器
KR20130115719A (ko) 계통연계형 멀티스트링 태양광 인버터 시스템
CN114402525A (zh) 对来自光伏装置的电力进行供应的光伏优化器电力系统
CN113261174A (zh) 一种光伏变换器组串、控制方法及系统
US20230344239A1 (en) Photovoltaic system, power supply system, and control method
US20240097615A1 (en) Photovoltaic power generation system
CN106505945A (zh) 用于操作光伏系统的方法
KR20230006275A (ko) 멀티레벨 구조를 가지는 전력변환장치
CN114584066A (zh) 一种光伏组件关断电路及光伏设备

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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20211102

Address after: 518043 No. 01, 39th floor, building a, antuoshan headquarters building, No. 33, antuoshan Sixth Road, Xiang'an community, Xiangmihu street, Futian District, Shenzhen, Guangdong Province

Applicant after: Huawei Digital Energy Technology Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Applicant before: HUAWEI TECHNOLOGIES Co.,Ltd.

GR01 Patent grant
GR01 Patent grant