JP2013258841A5 - - Google Patents
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- JP2013258841A5 JP2013258841A5 JP2012133623A JP2012133623A JP2013258841A5 JP 2013258841 A5 JP2013258841 A5 JP 2013258841A5 JP 2012133623 A JP2012133623 A JP 2012133623A JP 2012133623 A JP2012133623 A JP 2012133623A JP 2013258841 A5 JP2013258841 A5 JP 2013258841A5
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- voltage
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- converter
- current
- conversion device
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- 238000006243 chemical reaction Methods 0.000 claims 10
- 238000001514 detection method Methods 0.000 claims 7
- 239000003990 capacitor Substances 0.000 claims 3
- 238000009499 grossing Methods 0.000 claims 1
Claims (8)
複数台の変圧器と、
変換器制御部から構成され、
前記各変換器ユニットの交流電圧端子は前記各変圧器を介して直列接続されて電力系統に連系され、
前記各変換器ユニットの直流電圧端子は相互に独立し、
前記変換器制御部は、前記各変換器ユニットの直流電圧が所定の値になるように、前記各変換器ユニットを制御する変圧器多重電力変換装置。 A plurality of converter units for mutually converting polyphase AC power and DC power;
Multiple transformers,
Consists of a converter controller,
The AC voltage terminals of the converter units are connected in series via the transformers and connected to the power system,
The DC voltage terminals of the converter unit is independently of one another,
The converter control unit is a transformer multiple power converter that controls each converter unit so that a DC voltage of each converter unit becomes a predetermined value.
前記電力系統への連系線に設置した交流電圧検出器で検出した交流電圧から電圧位相基準を検出する電圧位相検出部と、
前記電力系統への連系線に設置した電流検出器で検出した交流電流から前記電圧位相基準に基づき前記電力系統へ出力される交流電流の有効電流および無効電流を検出する有効無効電流検出部と、
直流電圧検出値と直流電圧指令値に基づいて、有効電流指令値を演算する直流電圧制御部と、
前記有効電流と前記無効電流と前記直流電圧検出値に基づいて、前記各変換器ユニットの前記直流電圧が同一となるように前記直流電圧の直流電圧補正値を演算するユニット個別直流電圧制御部と、
前記無効電流が無効電流指令値に一致するように、無効電流に関する無効電圧基準値を演算する無効電流制御部と、
前記有効電流が有効電流指令値に一致するように、前記有効電流に関する有効電圧基準値を演算する有効電流制御部と、
前記出力無効電圧基準値と前記有効電圧基準値と前記直流電圧補正値と前記電圧位相基準に基づいて、前記各変換器ユニットの出力交流電圧基準値を演算する電圧基準値生成部と、
前記交流電圧基準値に基づいて、前記各変換器ユニットのスイッチング素子を駆動するためのゲートパルス信号を生成するゲートパルス信号生成部と、
から構成される請求項1から請求項5のいずれか1項に記載の変圧器多重電力変換装置。 The converter control unit includes a DC voltage detector that detects a DC voltage of each converter unit;
A voltage phase detection unit for detecting a voltage phase reference from an AC voltage detected by an AC voltage detector installed on a connection line to the power system;
An effective reactive current detector for detecting an active current and a reactive current of an alternating current output to the power system based on the voltage phase reference from an alternating current detected by a current detector installed on a connection line to the power system; ,
Based dc voltage detection value and the DC voltage command value, a DC voltage control unit that calculates the active current command value,
A unit individual DC voltage controller that calculates a DC voltage correction value of the DC voltage based on the effective current, the reactive current, and the DC voltage detection value so that the DC voltages of the converter units are the same; ,
A reactive current control unit that calculates a reactive voltage reference value related to the reactive current so that the reactive current matches the reactive current command value;
An active current control unit that calculates an effective voltage reference value related to the active current so that the active current matches an active current command value;
Based on the output invalid voltage reference value, the effective voltage reference value, the DC voltage correction value, and the voltage phase reference, a voltage reference value generation unit that calculates an output AC voltage reference value of each converter unit;
Based on the AC voltage reference value, a gate pulse signal generator for generating a gate pulse signal for driving the switching elements of the respective converter unit,
The transformer multiple power conversion device according to any one of claims 1 to 5, comprising:
前記ユニット個別直流電圧制御部は、前記直流電圧代表値と前記直流電圧検出値との偏差を零に制御する制御器を備え、前記制御器の出力である有効電力に関わる電圧補正値から前記有効電流に関する有効電圧補正値と前記無効電流に関する無効電圧補正値を演算する構成とした請求項6に記載の変圧器多重電力変換装置。 The DC voltage control unit calculates a DC voltage representative value from the DC voltage detection value, calculates the effective current command value so that the DC voltage representative value matches the DC voltage command value,
The unit individual DC voltage control unit includes a controller that controls a deviation between the DC voltage representative value and the DC voltage detection value to be zero, and the effective DC voltage is calculated from a voltage correction value related to active power that is an output of the controller The transformer multiple power conversion device according to claim 6, wherein an effective voltage correction value related to a current and a reactive voltage correction value related to the reactive current are calculated.
前記ユニット個別直流電圧制御部は、前記直流電圧代表値と前記直流電圧検出値の偏差を零に制御する制御器を備え、前記制御器の出力である有効電力偏差から、前記有効電流に関する有効電圧補正値と前記無効電流に関する無効電圧補正値を演算する構成とした請求項6に記載の変圧器多重電力変換装置。 The DC voltage control unit calculates a DC voltage representative value from the DC voltage detection value, calculates the effective current command value so that the DC voltage representative value matches the DC voltage command value,
The unit individual DC voltage control unit includes a controller that controls a deviation between the DC voltage representative value and the DC voltage detection value to zero, and an effective voltage related to the active current from an active power deviation that is an output of the controller. The transformer multiple power conversion device according to claim 6, which is configured to calculate a correction value and a reactive voltage correction value related to the reactive current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012133623A JP5904883B2 (en) | 2012-06-13 | 2012-06-13 | Transformer multiple power converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012133623A JP5904883B2 (en) | 2012-06-13 | 2012-06-13 | Transformer multiple power converter |
Publications (3)
Publication Number | Publication Date |
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JP2013258841A JP2013258841A (en) | 2013-12-26 |
JP2013258841A5 true JP2013258841A5 (en) | 2014-12-18 |
JP5904883B2 JP5904883B2 (en) | 2016-04-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012133623A Active JP5904883B2 (en) | 2012-06-13 | 2012-06-13 | Transformer multiple power converter |
Country Status (1)
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JP (1) | JP5904883B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6371254B2 (en) * | 2015-05-13 | 2018-08-08 | 東芝三菱電機産業システム株式会社 | Power converter |
WO2018211624A1 (en) * | 2017-05-17 | 2018-11-22 | 三菱電機株式会社 | Power conversion device |
JP6935359B2 (en) * | 2018-04-20 | 2021-09-15 | 東芝三菱電機産業システム株式会社 | Series multiplex power converter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2874220B2 (en) * | 1989-10-20 | 1999-03-24 | 株式会社安川電機 | Control method of multiple current source inverter |
JPH06276747A (en) * | 1991-12-25 | 1994-09-30 | Hitachi Ltd | Power conversion device |
JPH10127065A (en) * | 1996-10-18 | 1998-05-15 | Tokyo Electric Power Co Inc:The | Power converter |
JP3923756B2 (en) * | 2001-07-18 | 2007-06-06 | 株式会社日立製作所 | Multiple connected self-excited converter controller. |
JP5391541B2 (en) * | 2006-11-22 | 2014-01-15 | 日産自動車株式会社 | Power conversion apparatus and method, and multiphase AC motor system |
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