CN114270651A - 逆变器无功电流控制方法及装置 - Google Patents

逆变器无功电流控制方法及装置 Download PDF

Info

Publication number
CN114270651A
CN114270651A CN202080005672.5A CN202080005672A CN114270651A CN 114270651 A CN114270651 A CN 114270651A CN 202080005672 A CN202080005672 A CN 202080005672A CN 114270651 A CN114270651 A CN 114270651A
Authority
CN
China
Prior art keywords
inverter
voltage
reactive current
control
loop control
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
CN202080005672.5A
Other languages
English (en)
Other versions
CN114270651B (zh
Inventor
李俊杰
辛凯
于心宇
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
Priority to CN202311161646.3A priority Critical patent/CN117353326A/zh
Publication of CN114270651A publication Critical patent/CN114270651A/zh
Application granted granted Critical
Publication of CN114270651B publication Critical patent/CN114270651B/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
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
    • 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
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • 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
    • H02J3/50—Controlling the sharing of the out-of-phase component
    • 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
    • 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
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • 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
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
    • 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
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • 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
    • 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
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

本申请涉及一种逆变器的无功电流控制方法及装置，该方法及装置根据逆变器的端口电压和过压控制参考电压生成过压控制无功电流指令，根据端口电压和欠压控制参考电压生成欠压控制无功电流指令，根据逆变器的工作状态确定第三环路控制无功电流指令，并且确定过压控制无功电流指令、欠压控制无功电流指令和第三环路控制无功电流指令的比较结果，以及选择与比较结果对应的环路控制，从而实现了根据端口电压自适应调整无功电流，也实现了过压环路控制、欠压环路控制和第三环路控制之间的灵活平滑切换，有助于避免在弱网和极弱电网下逆变器多次触发故障穿越和穿越失败引起的脱网。

Description

PCT国内申请，说明书已公开。

Claims (42)

  1. PCT国内申请，权利要求书已公开。
CN202080005672.5A 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置 Active CN114270651B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311161646.3A CN117353326A (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/101741 WO2022011521A1 (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202311161646.3A Division CN117353326A (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置

Publications (2)

Publication Number Publication Date
CN114270651A true CN114270651A (zh) 2022-04-01
CN114270651B CN114270651B (zh) 2023-09-12

Family

ID=79556071

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202311161646.3A Pending CN117353326A (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置
CN202080005672.5A Active CN114270651B (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202311161646.3A Pending CN117353326A (zh) 2020-07-13 2020-07-13 逆变器无功电流控制方法及装置

Country Status (3)

Country Link
EP (1) EP4148937A4 (zh)
CN (2) CN117353326A (zh)
WO (1) WO2022011521A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114696330B (zh) * 2022-03-24 2024-05-14 华为数字能源技术有限公司 一种功率分配方法及装置
CN116593748B (zh) * 2023-05-23 2023-11-28 深圳市费思泰克科技有限公司 用于新能源太阳能逆变器测试的大功率可编程直流电源
CN116865332B (zh) * 2023-06-29 2024-05-14 南方电网科学研究院有限责任公司 柔性直流故障穿越控制方法、装置、存储介质及设备
CN116937708A (zh) * 2023-07-20 2023-10-24 上海正泰电源系统有限公司 弱电网下逆变器输出电压控制方法、装置及介质
CN117394354B (zh) * 2023-12-11 2024-04-09 杭州利沃得电源有限公司 一种逆变器的均流方法、装置、逆变系统和存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119297A (zh) * 2015-08-06 2015-12-02 广东明阳龙源电力电子有限公司 一种用于光伏逆变器自适应无功补偿的方法
US20160322821A1 (en) * 2013-12-11 2016-11-03 Vestas Wind Systems A/S A wind power plant, and a method for controlling a reactive current injection in a wind power plant
CN108808718A (zh) * 2018-06-26 2018-11-13 华南理工大学 交流故障时高压直流输电系统直流电流运行范围确定方法
US20190219029A1 (en) * 2018-01-15 2019-07-18 Vestas Wind Systems A/S Controling a wind turbine during over-voltage ride through

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008018748A1 (de) * 2008-04-14 2009-10-15 Repower Systems Ag Windenergieanlage mit Anschlussschutzeinrichtung
US20130293021A1 (en) * 2012-05-01 2013-11-07 Rajiv Kumar Varma Enhanced utilization of real power generating capacity of distributed generator (dg) inverters as statcom
US10544780B2 (en) * 2013-10-21 2020-01-28 Vestas Wind Systems A/S Method for controlling a wind power plant and a wind power plant
CN104300581B (zh) * 2014-10-31 2016-08-24 东南大学 一种带并网点动态电压补偿的无缝并网逆变器及其方法
CN104734165B (zh) * 2015-04-16 2017-03-22 北京天源科创风电技术有限责任公司 一种风电机组全功率变流器低电压穿越无功功率控制方法
CN105790295B (zh) * 2016-03-11 2018-06-26 特变电工新疆新能源股份有限公司 一种双端柔性直流输电系统电网故障无通信穿越控制方法
US10411469B2 (en) * 2017-12-07 2019-09-10 Inventus Holdings, Llc Reactive power control integrated with renewable energy power invertor
CN108336743B (zh) * 2018-03-09 2020-01-31 国网陕西省电力公司电力科学研究院 一种基于分布式电源并网逆变器的本地电压控制方法
CN109659950B (zh) * 2018-12-29 2022-03-04 国家电网有限公司 变下限电压的电压源换流器的无功控制系统及方法
CN109873458B (zh) * 2019-03-07 2021-07-23 国网宁夏电力有限公司电力科学研究院 一种无功电流参考值和有功电流参考值的调整方法及装置
CN110048455B (zh) * 2019-04-24 2021-06-01 湖南大学 具有弱电网故障穿越能力的下垂控制逆变器及其控制方法
CN110943459B (zh) * 2019-11-05 2022-10-04 中国电力科学研究院有限公司 基于电压响应的多无功补偿装置并列运行控制方法及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160322821A1 (en) * 2013-12-11 2016-11-03 Vestas Wind Systems A/S A wind power plant, and a method for controlling a reactive current injection in a wind power plant
CN105119297A (zh) * 2015-08-06 2015-12-02 广东明阳龙源电力电子有限公司 一种用于光伏逆变器自适应无功补偿的方法
US20190219029A1 (en) * 2018-01-15 2019-07-18 Vestas Wind Systems A/S Controling a wind turbine during over-voltage ride through
CN108808718A (zh) * 2018-06-26 2018-11-13 华南理工大学 交流故障时高压直流输电系统直流电流运行范围确定方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PEILIN LIU; XUESONG GAO: "The Influence or the Grid Overvoltage on Fully Rated Converter Wind Turbine and an HVRT Control Strategy Based on Reacitve Current", 2019 IEEE 8TH INTERNATIONAL CONFERENCE ON ADVANCED POWER SYSTEM AUTOMATION AND PROTECTION (APAP), pages 1 - 5 *
张哲; 张磊; 王波: "两级式三相并网逆变器LVRT控制策略研究", 电力电子技术, vol. 51, no. 12, pages 73 - 75 *
赵宇: "基于动态PI调节器的双馈变流器高电压穿越方案", 自动化技术与应用, vol. 34, no. 11, pages 66 - 70 *

Also Published As

Publication number Publication date
CN114270651B (zh) 2023-09-12
WO2022011521A1 (zh) 2022-01-20
EP4148937A4 (en) 2023-06-28
EP4148937A1 (en) 2023-03-15
CN117353326A (zh) 2024-01-05

Similar Documents

Publication Publication Date Title
CN114270651B (zh) 逆变器无功电流控制方法及装置
EP3550692A1 (en) Medium and high voltage energy conversion system
US20180166883A1 (en) Low voltage ride-through control system and method for multi-inverter grid-connected power converter
EP2790312A2 (en) Power decoupling controller and method for power conversion system
Yang et al. Unified control technique for Z-source inverter
CN110231545B (zh) 一种交直流混联电网的孤岛检测法及参考电流极值求取法
US9948211B2 (en) System and method for controlling the operating area of an inverter coupled to an alternative energy source
CN113972682B (zh) 一种直流母线的电压控制方法及装置和电力系统
Zhang et al. A thyristor based series power flow control device for multi-terminal HVDC transmission
CN111398772A (zh) 用于换流阀过电流关断试验的电路、方法和装置
CN111464050B (zh) Ac/dc换流器控制方法、装置、ac/dc换流设备和存储介质
Xiao et al. Active power decoupling method based on dual buck circuit with model predictive control
de Sousa et al. Comparison of double star topologies of modular multilevel converters in STATCOM application
Al Hadi et al. Comparison and simulation of the level-shifted and phase-shifted modulation for a five-level converter for integration of renewable sources
CN110474553B (zh) 一种变流器并联结构的控制系统
CN107785934B (zh) 五相光伏逆变器系统及其控制方法
JP7051028B1 (ja) 電力変換装置、および電力変換システム
JP6036254B2 (ja) 系統連系インバータ装置
CN114156940A (zh) 一种光伏发电系统的高电压穿越方法和系统
Yang et al. Smart PV inverters for smart grid applications
Khillo et al. Performance Analysis of 6-Pulse HVDC-VSC using Deadbeat Controller in dq Reference Frame under AC Fault Conditions
Kumar et al. Implementation of grid interactive and islanded controlled PV system for residential applications
Tian et al. Computationally efficient optimization method for model predictive pulse pattern control of modular multilevel converters
CN109980689A (zh) 光伏并网系统的控制方法、系统、装置及可读存储介质
JP7134312B2 (ja) 電力変換装置

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
GR01 Patent grant
GR01 Patent grant