GB2614636B - MMC half-bridge sub-module capacitor voltage ripple multi-scale suppression method - Google Patents

MMC half-bridge sub-module capacitor voltage ripple multi-scale suppression method Download PDF

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Publication number
GB2614636B
GB2614636B GB2304566.9A GB202304566A GB2614636B GB 2614636 B GB2614636 B GB 2614636B GB 202304566 A GB202304566 A GB 202304566A GB 2614636 B GB2614636 B GB 2614636B
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GB
United Kingdom
Prior art keywords
capacitor voltage
suppression method
voltage ripple
bridge sub
module capacitor
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
GB2304566.9A
Other versions
GB2614636A (en
GB202304566D0 (en
Inventor
Liu Ruikuo
Zou Zubing
Zhang Wei
Sun Changping
Liu Xiquan
Sun Yong
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.)
China Three Gorges Corp
Original Assignee
China Three Gorges Corp
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.)
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Publication date
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Publication of GB202304566D0 publication Critical patent/GB202304566D0/en
Publication of GB2614636A publication Critical patent/GB2614636A/en
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Publication of GB2614636B publication Critical patent/GB2614636B/en
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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
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
    • 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
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/4833—Capacitor voltage balancing
    • 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
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
GB2304566.9A 2021-01-27 2021-12-30 MMC half-bridge sub-module capacitor voltage ripple multi-scale suppression method Active GB2614636B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110113981.0A CN112787492B (en) 2021-01-27 2021-01-27 MMC half-bridge submodule capacitor voltage ripple multi-scale inhibition method
PCT/CN2021/142796 WO2022161095A1 (en) 2021-01-27 2021-12-30 Mmc half-bridge sub-module capacitor voltage ripple multi-scale suppression method

Publications (3)

Publication Number Publication Date
GB202304566D0 GB202304566D0 (en) 2023-05-10
GB2614636A GB2614636A (en) 2023-07-12
GB2614636B true GB2614636B (en) 2023-12-20

Family

ID=75759205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2304566.9A Active GB2614636B (en) 2021-01-27 2021-12-30 MMC half-bridge sub-module capacitor voltage ripple multi-scale suppression method

Country Status (4)

Country Link
JP (1) JP2023543482A (en)
CN (1) CN112787492B (en)
GB (1) GB2614636B (en)
WO (1) WO2022161095A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112787492B (en) * 2021-01-27 2022-08-09 中国长江三峡集团有限公司 MMC half-bridge submodule capacitor voltage ripple multi-scale inhibition method
CN113629752A (en) * 2021-08-11 2021-11-09 特变电工西安柔性输配电有限公司 Flexible direct-current offshore converter station, system and control method based on 66kV convergence access
CN114094860B (en) * 2021-11-19 2023-11-14 西北工业大学 MMC submodule capacitor voltage ripple suppression verification method based on higher harmonic injection
CN114204585B (en) * 2021-11-29 2024-09-06 华北电力大学 Universal harmonic coupling injection method for inhibiting MMC capacitor voltage fluctuation
CN115498895A (en) * 2022-09-28 2022-12-20 西安交通大学 Modular capacitor voltage balance control method of modular multilevel matrix converter
CN116232031B (en) * 2023-01-06 2024-06-11 中国华能集团清洁能源技术研究院有限公司 Overvoltage suppression method and device for sub-module of flexible direct current converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180331632A1 (en) * 2017-05-15 2018-11-15 Virginia Tech Intellectual Properties, Inc. Circulating current injection control
CN109660111A (en) * 2019-01-10 2019-04-19 华北电力大学 A kind of suppressing method and device of mixed type MMC submodule capacitor voltage fluctuation difference
CN110048582A (en) * 2019-05-23 2019-07-23 华北电力大学 A kind of MMC submodule capacitor voltage fluctuation suppressing method of Harmonic coupling injection
CN112787492A (en) * 2021-01-27 2021-05-11 中国长江三峡集团有限公司 MMC half-bridge submodule capacitor voltage ripple multi-scale inhibition method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150288287A1 (en) * 2012-09-21 2015-10-08 Aukland Uniservices Limited Modular multi-level converters
US10404064B2 (en) * 2015-08-18 2019-09-03 Virginia Tech Intellectual Properties, Inc. Modular multilevel converter capacitor voltage ripple reduction
CN110829870B (en) * 2019-10-28 2021-01-12 杭州电子科技大学 Control method of modular multilevel converter in low-frequency operation state

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180331632A1 (en) * 2017-05-15 2018-11-15 Virginia Tech Intellectual Properties, Inc. Circulating current injection control
CN109660111A (en) * 2019-01-10 2019-04-19 华北电力大学 A kind of suppressing method and device of mixed type MMC submodule capacitor voltage fluctuation difference
CN110048582A (en) * 2019-05-23 2019-07-23 华北电力大学 A kind of MMC submodule capacitor voltage fluctuation suppressing method of Harmonic coupling injection
CN112787492A (en) * 2021-01-27 2021-05-11 中国长江三峡集团有限公司 MMC half-bridge submodule capacitor voltage ripple multi-scale inhibition method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Li Ang, "Research on Harmonic Voltages Injection and Capacitance Optimization in Modular Multilevel Converter", Chinese Master's Theses Full-text Database, No. 01, 15 January 2020, pp. 8-42. *
YUAN, Bin et al. "MMC (Influences of Third Harmonic Injection on the Operation Characteristics of MMC system)" (High Voltage Engineering), Vol 3, No. 46, 31 March 2020, pp. 1059-1067. *

Also Published As

Publication number Publication date
WO2022161095A1 (en) 2022-08-04
CN112787492B (en) 2022-08-09
GB2614636A (en) 2023-07-12
JP2023543482A (en) 2023-10-16
GB202304566D0 (en) 2023-05-10
CN112787492A (en) 2021-05-11

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