SE1750521A1 - A method for voltage balancing of a converter, and a controller - Google Patents

A method for voltage balancing of a converter, and a controller Download PDF

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Publication number
SE1750521A1
SE1750521A1 SE1750521A SE1750521A SE1750521A1 SE 1750521 A1 SE1750521 A1 SE 1750521A1 SE 1750521 A SE1750521 A SE 1750521A SE 1750521 A SE1750521 A SE 1750521A SE 1750521 A1 SE1750521 A1 SE 1750521A1
Authority
SE
Sweden
Prior art keywords
converter
controller
voltage balancing
voltage
phase
Prior art date
Application number
SE1750521A
Other languages
Swedish (sv)
Inventor
Mohanaveeramani Aravind
Grondona Andrea
Hasler Jean-Philippe
Original Assignee
Abb Schweiz Ag
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 Abb Schweiz Ag filed Critical Abb Schweiz Ag
Priority to SE1750521A priority Critical patent/SE1750521A1/en
Publication of SE1750521A1 publication Critical patent/SE1750521A1/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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • 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

Landscapes

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

Abstract

A method () performed in a controller (,) for voltage balancing of a converter () is provided. The converter () comprises one or more phase legs, each phase leg comprising series connected cells. The method () comprises detecting () one or both of a fault and an unbalanced operating condition, and regulating (), for each of the one or more phase legs, direct current, DC, voltage at its nominal value.
SE1750521A 2017-05-02 2017-05-02 A method for voltage balancing of a converter, and a controller SE1750521A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1750521A SE1750521A1 (en) 2017-05-02 2017-05-02 A method for voltage balancing of a converter, and a controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1750521A SE1750521A1 (en) 2017-05-02 2017-05-02 A method for voltage balancing of a converter, and a controller

Publications (1)

Publication Number Publication Date
SE1750521A1 true SE1750521A1 (en) 2017-05-02

Family

ID=58745663

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1750521A SE1750521A1 (en) 2017-05-02 2017-05-02 A method for voltage balancing of a converter, and a controller

Country Status (1)

Country Link
SE (1) SE1750521A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3787175A4 (en) * 2018-04-24 2021-12-01 Kabushiki Kaisha Toshiba Power conversion device and constant acquiring method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3787175A4 (en) * 2018-04-24 2021-12-01 Kabushiki Kaisha Toshiba Power conversion device and constant acquiring method

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