CN115917912A8 - 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 PDF

Info

Publication number
CN115917912A8
CN115917912A8 CN202180052305.5A CN202180052305A CN115917912A8 CN 115917912 A8 CN115917912 A8 CN 115917912A8 CN 202180052305 A CN202180052305 A CN 202180052305A CN 115917912 A8 CN115917912 A8 CN 115917912A8
Authority
CN
China
Prior art keywords
distributed power
inverter
power supply
alternating current
voltage
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
CN202180052305.5A
Other languages
English (en)
Other versions
CN115917912A (zh
Inventor
徐志武
李琳
郭国伟
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 CN115917912A publication Critical patent/CN115917912A/zh
Publication of CN115917912A8 publication Critical patent/CN115917912A8/zh
Pending legal-status Critical Current

Links

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
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • 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
    • 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。
CN202180052305.5A 2021-02-04 2021-02-04 一种控制方法和分布式电力系统 Pending CN115917912A (zh)

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 CN115917912A (zh) 2023-04-04
CN115917912A8 true 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038970A2 (en) * 2001-10-26 2003-05-08 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

Also Published As

Publication number Publication date
CN115917912A (zh) 2023-04-04
EP4277073A4 (en) 2024-04-03
WO2022165701A1 (zh) 2022-08-11
EP4277073A1 (en) 2023-11-15
US20230378764A1 (en) 2023-11-23

Similar Documents

Publication Publication Date Title
CN115917912A8 (zh) 一种控制方法和分布式电力系统
JP2014500698A5 (zh)
CA2791293A1 (en) Method for the operational control of an inverter
EP2897020A3 (en) Method and system for controlling a power output of an inverter
Bhende et al. Novel control of photovoltaic based water pumping system without energy storage
MX361187B (es) Un sistema de almacenamiento de energia de multiples fuentes y metodo para administracion y control de energia.
EP2768129A3 (en) Apparatus and method for controlling circulating current in an inverter system
CA2896927A1 (en) Dc power system for marine applications
EP2991183B1 (en) Charging and discharging system and method, and photovoltaic power generation system
WO2008132553A3 (en) Distributed power harvesting systems using dc power sources
WO2014149355A3 (en) Load commutated drive systems for high power applications
EP3485340A1 (en) A control method for improving conversion efficiency of a multi-channel mppt inverter
EP3089339A3 (en) Systems and methods of controlling power converters
EP2395644A3 (en) Method and system to allow for high dc source voltage with lower dc voltage in a two stage power converter
CN105320104B (zh) 用于并联电力变换系统的并联电力变换控制装置
WO2018112161A3 (en) Space vector modulation in aerospace applications
WO2011131655A3 (de) Stromerzeugungssystem und verfahren zum betreiben eines solchen
WO2012116378A3 (en) Power system and method for operating a power system
GB201306646D0 (en) Variable voltage drive controller, system and method
HK1255527A2 (zh) 充電器
US8310851B2 (en) Method for operating an inverter having a step-up device connected upstream
MX2022013548A (es) Deteccion de falla a tierra independiente utilizando un transformador de corriente.
RU2534028C1 (ru) Источник электропитания аппаратуры радиолокационной станции
EP3846314A3 (en) Inverter control strategy for a transient heavy load
RU2517300C2 (ru) Способ управления статическим преобразователем в системе генерирования электрической энергии переменного тока в режиме короткого замыкания

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

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

CI02 Correction of invention patent application