JP6878333B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP6878333B2 JP6878333B2 JP2018030430A JP2018030430A JP6878333B2 JP 6878333 B2 JP6878333 B2 JP 6878333B2 JP 2018030430 A JP2018030430 A JP 2018030430A JP 2018030430 A JP2018030430 A JP 2018030430A JP 6878333 B2 JP6878333 B2 JP 6878333B2
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- 238000006243 chemical reaction Methods 0.000 claims description 93
- 239000003990 capacitor Substances 0.000 claims description 60
- 230000007935 neutral effect Effects 0.000 claims description 26
- 238000010586 diagram Methods 0.000 description 35
- 238000004804 winding Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000018199 S phase Effects 0.000 description 8
- 229910001219 R-phase Inorganic materials 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000010248 power generation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
-
- 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
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33573—Full-bridge at primary side of an isolation transformer
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- 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
- H02M1/0043—Converters switched with a phase shift, i.e. interleaved
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0074—Plural converter units whose inputs are connected in series
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0077—Plural converter units whose outputs are connected in series
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
Description
(実施例1の構成)
まず、本発明の実施例1による電力変換装置の構成を説明する。
Lossmin(t)は、次式(12)となる。
(実施例2の構成)
次に、実施例2について説明する。
次に、実施例3による電力変換装置について説明する。
次に、実施例4による電力変換装置110の構成を説明する。
次に、実施例5による電力変換装置の構成を説明する。
次に、実施例6による電力変換装置130の構成を説明する。
本発明は上述した実施例に限定されるものではなく、種々の変形が可能である。上述した実施例は本発明を理解しやすく説明するために例示したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。また、ある実施例の構成の一部を他の実施形態の構成に置き換えることが可能であり、また、ある実施形態の構成に他の実施形態の構成を加えることも可能である。また、各実施例の構成の一部について削除し、若しくは他の構成の追加・置換をすることが可能である。また、図中に示した制御線や情報線は説明上必要と考えられるものを示しており、製品上で必要な全ての制御線や情報線を示しているとは限らない。実際には殆ど全ての構成が相互に接続されていると考えてもよい。上記実施例に対して可能な変形は、例えば以下のようなものである。
Claims (8)
- 互いに接続され、1次側系統電圧を2次側系統電圧に変換する複数の電力変換セルと、
上記複数の電力変換セルのそれぞれに接続されるコンデンサと、
Nを自然数としたとき、上記複数の電力変換セルのそれぞれの交流電圧に、この交流電圧の3N次高調波電圧を加算し、上記交流電圧と3N次高調波電圧とを加算した電圧を出力するように、上記電力変換セルを駆動する電力変換セル駆動部と、
を備えることを特徴とする電力変換装置。 - 請求項1に記載の電力変換装置において、
上記3N次高調波電圧の振幅は、上記交流電圧の基本波の振幅の1/2近傍であることを特徴とする電力変換装置。 - 請求項1または2に記載の電力変換装置において、
上記3N次高調波電圧の位相遅れは、上記交流電圧の基本波の力率角の2倍近傍であることを特徴とする電力変換装置。 - 請求項1に記載の電力変換装置において、
上記交流電圧は、交流中性点電圧の対地電位であり、この対地電位に、3次高調波を含み、かつ、その振幅が相電圧基本波振幅の1/2近傍の電圧を加算した電圧を出力するように、上記電力変換セルを駆動することを特徴とする電力変換装置。 - 請求項1から4のうちのいずれか一項に記載の電力変換装置において、
上記1次側系統電圧及び2次側系統電圧は交流電圧であり、上記複数の電力変換セルのそれぞれは、
上記1次側系統電圧である交流電圧を直流電圧に変換する第1の交直変換器と、上記第1の交直変換器により変換された直流電圧を交流電圧に変換する第2の交直変換器と、上記第2の交直変換器により変換された交流電圧を直流電圧に変換する第3の交直変換器と、上記第3の交直変換器により変換された直流電圧を交流電圧に変換し、2次側電源系統に供給する第4の交直変換器と、上記第2の交直変換器と上記第3の交直変換器との間に接続される高周波トランスと、を有し、
上記コンデンサは、上記第1の交直変換器と上記第2の交直変換器との間に接続される第1のコンデンサと、上記第3の交直変換器と上記第4の交直変換器との間に接続される第2のコンデンサとを有することを特徴とする電力変換装置。 - 請求項1から4のうちのいずれか一項に記載の電力変換装置において、
上記1次側系統電圧は直流電圧であり、上記2次側系統電圧は交流電圧であり、上記複数の電力変換セルのそれぞれは、
上記1次側系統電圧である直流電圧を交流電圧に変換する第2の交直変換器と、上記第2の交直変換器により変換された交流電圧を直流電圧に変換する第3の交直変換器と、上記第3の交直変換器により変換された直流電圧を交流電圧に変換し、2次側電源系統に供給する第4の交直変換器と、上記第2の交直変換器と上記第3の交直変換器との間に接続される高周波トランスと、を有し、
上記コンデンサは、上記1次側系統電圧が供給され、かつ、上記第2の交直変換器に接続される第1のコンデンサと、上記第3の交直変換器と上記第4の交直変換器との間に接続される第2のコンデンサとを有することを特徴とする電力変換装置。 - 請求項1から4のうちのいずれか一項に記載の電力変換装置において、
上記1次側系統電圧及び上記2次側系統電圧は三相交流電圧であり、上記複数の電力変換セルは、上記三相交流電圧の相毎に配置され、Y接続された1次側回路とY接続された2次側回路とを有することを特徴とする電力変換装置。 - 請求項1から4のうちのいずれか一項に記載の電力変換装置において、
上記1次側系統電圧及び上記2次側系統電圧は三相交流電圧であり、上記複数の電力変換セルは、上記三相交流電圧の相毎に配置され、デルタ接続された1次側回路とY接続された2次側回路とを有することを特徴とする電力変換装置。
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JP2018030430A JP6878333B2 (ja) | 2018-02-23 | 2018-02-23 | 電力変換装置 |
US16/964,105 US11152870B2 (en) | 2018-02-23 | 2018-10-04 | Power conversion device |
PCT/JP2018/037263 WO2019163185A1 (ja) | 2018-02-23 | 2018-10-04 | 電力変換装置 |
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JP2018030430A JP6878333B2 (ja) | 2018-02-23 | 2018-02-23 | 電力変換装置 |
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JP2019146433A JP2019146433A (ja) | 2019-08-29 |
JP2019146433A5 JP2019146433A5 (ja) | 2020-09-03 |
JP6878333B2 true JP6878333B2 (ja) | 2021-05-26 |
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DE10037972B4 (de) * | 1999-08-05 | 2005-09-15 | Sharp K.K. | Vorrichtung und Verfahren zur Elektromotorsteuerung |
JP5775033B2 (ja) * | 2012-07-11 | 2015-09-09 | 株式会社日立製作所 | 電圧型電力変換装置の制御装置及び制御方法 |
JP2015230555A (ja) * | 2014-06-04 | 2015-12-21 | 国立大学法人 名古屋工業大学 | 自励式無効電力制御装置 |
JP6233216B2 (ja) | 2014-07-08 | 2017-11-22 | 住友電気工業株式会社 | 電力変換装置及び三相交流電源装置 |
WO2016177399A1 (en) * | 2015-05-05 | 2016-11-10 | Abb Technology Ltd | Converter arrangement |
JP2017147812A (ja) * | 2016-02-16 | 2017-08-24 | 株式会社日立製作所 | 電源装置およびその初充電制御方法 |
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US11152870B2 (en) | 2021-10-19 |
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