JP2020171154A - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP2020171154A JP2020171154A JP2019071714A JP2019071714A JP2020171154A JP 2020171154 A JP2020171154 A JP 2020171154A JP 2019071714 A JP2019071714 A JP 2019071714A JP 2019071714 A JP2019071714 A JP 2019071714A JP 2020171154 A JP2020171154 A JP 2020171154A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 42
- 239000004065 semiconductor Substances 0.000 claims abstract description 163
- 239000003990 capacitor Substances 0.000 claims abstract description 146
- 238000009499 grossing Methods 0.000 claims abstract description 124
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
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Classifications
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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
-
- 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
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02M7/49—Combination of the output voltage waveforms of a plurality of 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
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
Description
図1〜図5を参照して、本実施形態による電力変換装置100の構成について説明する。なお、電力変換装置100は、たとえば、誘導加熱により金属の溶解を行う溶解炉に用いられる誘導加熱装置用の電力変換装置100である。電力変換装置100は、半導体スイッチング素子31を用いて、交流電源200から交流を生成するように構成されている。また、交流電源200は、複数(たとえば、2つ)設けられている。
図1を参照して、電力変換装置100の回路構成について説明する。電力変換装置100は、複数の整流回路10(整流回路10a〜10d)を備えている。整流回路10は、交流電源200から入力される交流電圧を、直流電圧に変換する。整流回路10は、1つの交流電源200に対して複数設けられている。
次に、図2〜図5を参照して、スタック40の具体的な構造について説明する。
本実施形態では、以下のような効果を得ることができる。
なお、今回開示された実施形態は、すべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は、上記した実施形態の説明ではなく特許請求の範囲によって示され、さらに特許請求の範囲と均等の意味および範囲内でのすべての変更(変形例)が含まれる。
20、20a〜20d 平滑コンデンサ
21 端子
21p 正側端子
21n 負側端子
22 端子配置面
23、23a、23b 側面
30、30a〜30d インバータ部(電力変換部)
32 半導体モジュール(半導体スイッチング素子部)
32a 半導体モジュール(一方側半導体スイッチング素子部)
32b 半導体モジュール(他方側半導体スイッチング素子部)
32p 正側端子
32n 負側端子
50 正側バスバー
60 負側バスバー
81、81p、81n 冷却パイプ部
100 電力変換装置
h1、h2 高さ位置
Claims (6)
- 交流電圧を整流する整流回路の出力側に接続される平滑コンデンサと、
前記平滑コンデンサの端子が直線状に配置される端子配置面と、
複数の半導体スイッチング素子部を含み、前記平滑コンデンサに平滑された直流電圧を交流電圧に変換する電力変換部と、
前記半導体スイッチング素子部の正側端子と前記平滑コンデンサの正側端子とに電気的に接続される正側バスバーと、
前記半導体スイッチング素子部の負側端子と前記平滑コンデンサの負側端子とに電気的に接続される負側バスバーとを備え、
前記複数の半導体スイッチング素子部は、前記直線状に配置された端子に対して線対称となる前記端子配置面に交差する前記平滑コンデンサの側面に沿うように、前記側面において前記端子配置面の近傍に配置されている、電力変換装置。 - 前記複数の半導体スイッチング素子部は、前記複数の半導体スイッチング素子部の各々と前記平滑コンデンサとの間のインピーダンスが、略等しくなるように、前記端子配置面に対して一方側と他方側との両方の前記側面に配置されている、請求項1に記載の電力変換装置。
- 前記平滑コンデンサの正側端子の一方側に配置される一方側半導体スイッチング素子部の正側端子と、前記平滑コンデンサの端子との間の前記正側バスバー上における距離は、前記平滑コンデンサの正側端子の他方側に配置される他方側半導体スイッチング素子部の正側端子と、前記平滑コンデンサの端子との間の前記正側バスバー上における距離と略等しく、
前記一方側半導体スイッチング素子部の負側端子と、前記平滑コンデンサの端子との間の前記負側バスバー上における距離は、前記他方側半導体スイッチング素子部の負側端子と、前記平滑コンデンサの端子との間の前記負側バスバー上における距離と略等しい、請求項2に記載の電力変換装置。 - 前記正側バスバーおよび前記負側バスバーは、各々、前記複数の半導体スイッチング素子部に対して共通に設けられているとともに、前記端子配置面と、前記平滑コンデンサの両方の前記側面の領域とを覆う略U字形状を有する、請求項1〜3のいずれか1項に記載の電力変換装置。
- 前記平滑コンデンサの端子に対して、一方側の前記側面に配置される前記半導体スイッチング素子部の前記平滑コンデンサに対する高さ位置と、他方側の前記側面に配置される前記半導体スイッチング素子部の、前記平滑コンデンサに対する高さ位置とは、略等しい、請求項1〜4のいずれか1項に記載の電力変換装置。
- 前記正側バスバーと前記負側バスバーとのうちの少なくとも一方の表面に設けられ、冷却水が流通する冷却パイプ部をさらに備える、請求項1〜5のいずれか1項に記載の電力変換装置。
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JP2019071714A JP7283183B2 (ja) | 2019-04-04 | 2019-04-04 | 電力変換装置 |
CN202010136341.7A CN111865099A (zh) | 2019-04-04 | 2020-03-02 | 电力转换装置 |
JP2023081491A JP2023096074A (ja) | 2019-04-04 | 2023-05-17 | 電力変換装置 |
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JP2019071714A JP7283183B2 (ja) | 2019-04-04 | 2019-04-04 | 電力変換装置 |
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JP2023081491A Division JP2023096074A (ja) | 2019-04-04 | 2023-05-17 | 電力変換装置 |
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JP2020171154A true JP2020171154A (ja) | 2020-10-15 |
JP7283183B2 JP7283183B2 (ja) | 2023-05-30 |
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JP2023081491A Pending JP2023096074A (ja) | 2019-04-04 | 2023-05-17 | 電力変換装置 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0984348A (ja) * | 1995-09-13 | 1997-03-28 | Fuji Electric Co Ltd | 直流電源装置 |
JPH1155938A (ja) * | 1997-08-04 | 1999-02-26 | Toshiba Eng Co Ltd | コンデンサの接続方法及び電力変換装置 |
JP2004215340A (ja) * | 2002-12-27 | 2004-07-29 | Nissan Motor Co Ltd | インバータ装置のパワーモジュール設置構造 |
JP2012070632A (ja) * | 2012-01-06 | 2012-04-05 | Hitachi Automotive Systems Ltd | 電力変換装置 |
JP2019024319A (ja) * | 2018-11-22 | 2019-02-14 | 株式会社デンソー | 電力変換装置 |
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2019
- 2019-04-04 JP JP2019071714A patent/JP7283183B2/ja active Active
-
2020
- 2020-03-02 CN CN202010136341.7A patent/CN111865099A/zh active Pending
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2023
- 2023-05-17 JP JP2023081491A patent/JP2023096074A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0984348A (ja) * | 1995-09-13 | 1997-03-28 | Fuji Electric Co Ltd | 直流電源装置 |
JPH1155938A (ja) * | 1997-08-04 | 1999-02-26 | Toshiba Eng Co Ltd | コンデンサの接続方法及び電力変換装置 |
JP2004215340A (ja) * | 2002-12-27 | 2004-07-29 | Nissan Motor Co Ltd | インバータ装置のパワーモジュール設置構造 |
JP2012070632A (ja) * | 2012-01-06 | 2012-04-05 | Hitachi Automotive Systems Ltd | 電力変換装置 |
JP2019024319A (ja) * | 2018-11-22 | 2019-02-14 | 株式会社デンソー | 電力変換装置 |
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CN111865099A (zh) | 2020-10-30 |
JP2023096074A (ja) | 2023-07-06 |
JP7283183B2 (ja) | 2023-05-30 |
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