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GB2483879B - Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel - Google Patents

Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel

Info

Publication number
GB2483879B
GB2483879B GB1015911.9A GB201015911A GB2483879B GB 2483879 B GB2483879 B GB 2483879B GB 201015911 A GB201015911 A GB 201015911A GB 2483879 B GB2483879 B GB 2483879B
Authority
GB
United Kingdom
Prior art keywords
inverters
parallel
load sharing
droop controller
proportional load
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.)
Active
Application number
GB1015911.9A
Other versions
GB2483879A (en
GB201015911D0 (en
Inventor
Qingchang Zhong
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1015911.9A priority Critical patent/GB2483879B/en
Publication of GB201015911D0 publication Critical patent/GB201015911D0/en
Publication of GB2483879A publication Critical patent/GB2483879A/en
Application granted granted Critical
Publication of GB2483879B publication Critical patent/GB2483879B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
GB1015911.9A 2010-09-22 2010-09-22 Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel Active GB2483879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1015911.9A GB2483879B (en) 2010-09-22 2010-09-22 Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1015911.9A GB2483879B (en) 2010-09-22 2010-09-22 Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel

Publications (3)

Publication Number Publication Date
GB201015911D0 GB201015911D0 (en) 2010-10-27
GB2483879A GB2483879A (en) 2012-03-28
GB2483879B true GB2483879B (en) 2013-07-10

Family

ID=43065661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1015911.9A Active GB2483879B (en) 2010-09-22 2010-09-22 Robust droop controller for inverters to achieve exact proportional load sharing when connected in parallel

Country Status (1)

Country Link
GB (1) GB2483879B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11460488B2 (en) 2017-08-14 2022-10-04 Koolbridge Solar, Inc. AC electrical power measurements
US11509163B2 (en) 2011-05-08 2022-11-22 Koolbridge Solar, Inc. Multi-level DC to AC inverter
US11901810B2 (en) 2011-05-08 2024-02-13 Koolbridge Solar, Inc. Adaptive electrical power distribution panel
US12237762B2 (en) 2022-02-16 2025-02-25 Koolbridge Solar, Inc. Dual-source facility power system

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU92083B1 (en) * 2012-10-15 2014-04-16 Univ Luxembourg Electrical inverter and method of operation
WO2016109330A1 (en) 2014-12-30 2016-07-07 Flexgen Power Systems, Inc. Transient power stabilization device with active and reactive power control
WO2016134319A1 (en) 2015-02-19 2016-08-25 Enphase Energy, Inc. Method and apparatus for time-domain droop control with integrated phasor current control
GB2546804B (en) * 2016-01-30 2019-05-08 Zhong Qingchang Self-synchronized robust droop controller
CN107370193A (en) * 2017-07-07 2017-11-21 南京南瑞太阳能科技有限公司 A kind of voltage source inverter parallel system is idle to divide equally control system and method
CN107612018B (en) * 2017-08-15 2019-08-23 华为数字技术（苏州）有限公司 The control method and device of inverter, inverter, computer readable storage medium
CN107910891B (en) * 2017-10-19 2019-08-16 国网江苏省电力公司电力科学研究院 A kind of distributed photovoltaic cluster voltage dual-layer optimization droop control method
GB2567840B (en) 2017-10-26 2020-02-26 Zhong Qingchang Power electronic converters that take part in the grid regulation without affecting the DC-port operation
CN108321850B (en) * 2018-02-08 2021-01-08 澄瑞电力科技（上海）有限公司 Parallel connection method of H-bridge cascaded high-voltage shore power supply based on independent droop control
CN108493952B (en) * 2018-03-23 2021-05-04 上海电力学院 Reactive power sharing control method for alternating current micro-grid based on fuzzy self-adaptive compensation
CN108599239A (en) * 2018-04-27 2018-09-28 西安理工大学 A kind of droop control type isolated island micro-capacitance sensor voltage quality probability evaluation method of failure
CN109524970B (en) * 2018-11-30 2023-08-18 国网安徽省电力有限公司经济技术研究院 Distributed optical storage system-based power distribution network voltage control system and method
CN113991755B (en) * 2021-10-20 2023-06-13 国网湖北省电力有限公司电力科学研究院 New energy power generation unit self-synchronizing voltage source control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030035308A1 (en) * 2001-07-23 2003-02-20 Northern Power Systems, Inc. Control system for a power converter and method of controlling operation of a power converter
US20070114796A1 (en) * 2005-11-18 2007-05-24 Garces Luis J System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems
US20080043501A1 (en) * 2005-05-27 2008-02-21 Delta Electronics, Inc. Parallel inverters and controlling method thereof
US20080211464A1 (en) * 2005-10-03 2008-09-04 Abb Schweiz Ag Systems of parallel operating power electronic converters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030035308A1 (en) * 2001-07-23 2003-02-20 Northern Power Systems, Inc. Control system for a power converter and method of controlling operation of a power converter
US20080043501A1 (en) * 2005-05-27 2008-02-21 Delta Electronics, Inc. Parallel inverters and controlling method thereof
US20080211464A1 (en) * 2005-10-03 2008-09-04 Abb Schweiz Ag Systems of parallel operating power electronic converters
US20070114796A1 (en) * 2005-11-18 2007-05-24 Garces Luis J System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11509163B2 (en) 2011-05-08 2022-11-22 Koolbridge Solar, Inc. Multi-level DC to AC inverter
US11791711B2 (en) 2011-05-08 2023-10-17 Koolbridge Solar, Inc. Safety shut-down system for a solar energy installation
US11901810B2 (en) 2011-05-08 2024-02-13 Koolbridge Solar, Inc. Adaptive electrical power distribution panel
US12160168B2 (en) 2011-05-08 2024-12-03 Koolbridge Solar, Inc. Adaptive electrical power distribution panel
US11460488B2 (en) 2017-08-14 2022-10-04 Koolbridge Solar, Inc. AC electrical power measurements
US12237762B2 (en) 2022-02-16 2025-02-25 Koolbridge Solar, Inc. Dual-source facility power system

Also Published As

Publication number Publication date
GB2483879A (en) 2012-03-28
GB201015911D0 (en) 2010-10-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140922

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20160322