JP2009044820A - 直接形電力変換装置 - Google Patents
直接形電力変換装置 Download PDFInfo
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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
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
-
- 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
- H02M5/02—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 without intermediate conversion into dc
- H02M5/04—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 without intermediate conversion into dc by static converters
- H02M5/22—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 without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—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 without intermediate conversion into dc 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
- H02M5/297—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 without intermediate conversion into dc 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 for conversion of frequency
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/219—Conversion of ac power input into dc 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 in a bridge configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
【解決手段】トランジスタS1はクランプコンデンサC2の両端電圧が所定の基準電圧を超えたときに導通する。放電抵抗R1の抵抗値は、基準電圧に、放電抵抗R1を流れる電流の最大値を除算した値よりも小さい。クランプコンデンサC2の両端電圧Vc1が所定の基準電圧を超えたときにトランジスタS1が導通したとき、回生電流に起因する放電抵抗R1に印加される電圧は、クランプコンデンサC2の両端電圧Vc1及び回生電流による放電抵抗R1での電圧降下の大きい方である。当該電圧降下及び両端電圧Vc1は直流電源線L1,L2の間の電圧よりも小さいので、放電抵抗R1の電力容量を低減できる。
【選択図】図1
Description
本発明にかかる第1の実施の形態の直接形電力変換装置の一例として、モータ駆動装置の概念的な構成図を図1に示す。本モータ駆動装置は、電源E1と、入力線ACLr,ACLs,ACLtと、リアクトルLr,Ls,Ltと、コンデンサCr,Cs,Ctと、電流形コンバータ1と、直流電源線L1,L2と、クランプ回路2と、ブレーキ回路3と、電圧形インバータ4と、モータ5とを備えている。
本発明にかかる第2の実施の形態のモータ駆動装置の概念的な構成図は図1と同一である。本モータ駆動装置においては、クランプコンデンサC2の両端電圧Vc1が基準電圧Vref−hを超えている期間はトランジスタS1が導通し続けているので、当該期間が長いほどトランジスタS1が必要とする時間定格が大きい。そこで、本第2の実施の形態にかかるモータ駆動装置においては、トランジスタS1に電流が流れ続ける期間を低減してトランジスタS1が必要とする時間定格を低減する。
第3の実施の形態にかかるモータ駆動装置の概念的な構成図は、クランプ回路2を除いて図1と同一である。図8は、第3の実施の形態にかかるモータ駆動装置が備えるクランプ回路2の概念的な構成図である。
4 電圧形インバータ
5 モータ
C1〜C3 クランプコンデンサ
L1,L2 直流電源線
R1 放電抵抗
S1 トランジスタ
D1〜D3,D6〜D8 ダイオード
Claims (4)
- 正側直流電源線(L1)と、
前記正側直流電源線に印加される電位よりも低い電位が印加される負側直流電源線(L2)と、
多相交流電源と接続された複数の入力線の相互間に接続され、電圧源として機能する入力コンデンサ(Cr,Cs,Ct)と、
前記入力線から入力される多相交流電圧を2つの電位を持つ方形波状の直流電圧に変換して、前記正側直流電源線と前記負側直流電源線とに前記直流電圧を供給する電流形電力変換器(1)と、
前記正側直流電源線と前記負側直流電源線との間の2つの電位を持つ前記直流電圧を、方形波状の交流電圧に変換して誘導性多相負荷(5)に出力する電圧形電力変換器(4)と、
一端が前記正側直流電源線に接続された第1キャパシタンス素子(C1)と、
前記第1キャパシタンス素子の他端および前記負側直流電源線と接続された第2キャパシタンス素子(C2)と、
前記第1キャパシタンス素子と前記第2キャパシタンス素子との間で、アノードが前第1キャパシタンス素子に、カソードが前記第2キャパシタンス素子にそれぞれ接続された第1ダイオード素子(D1)と、
アノードが前記第2キャパシタンス素子と前記第1ダイオードとの間に、カソードが前記正側直流電源線にそれぞれ接続された第2ダイオード素子(D2)と、
アノードが前記負側直流電源線に、カソードが前記第1キャパシタンス素子と前記第1ダイオードとの間にそれぞれ接続された第3ダイオード素子(D3)と、
前記正側直流電源線と前記負側直流電源線との間に接続された放電抵抗(R1)と、
前記正側直流電源線と前記負側直流電源線との間で前記放電抵抗と直列に接続され、前記第1キャパシタンス素子又は前記第2キャパシタンス素子の両端電圧(Vc1)が第1所定値(Vref−h)を超えたときに導通し、第2所定値(Vref−L)を下回ったときに遮断するスイッチ素子(S1)と
を備える、直接形電力変換装置。 - 前記放電抵抗(R1)の抵抗値は、前記第1所定値(Vref−h)に、自身を流れる電流の最大値を除算した値以下である、請求項1に記載の直接形電力変換装置。
- 前記第1ダイオード素子(D1)と前記第2キャパシタンス素子(C2)との間に接続された第3キャパシタンス素子(C3)と、
前記第2キャパシタンス素子と前記第3キャパシタンス素子との間で、アノードが前記第3キャパシタンス素子に、カソードが前記第2キャパシタンス素子および前記第2ダイオード素子(D2)にそれぞれ接続された第4ダイオード素子(D6)と、
アノードが前記第1ダイオード素子と前記第3キャパシタンス素子との間に、カソードが前記正側直流電源線にそれぞれ接続された第5ダイオード素子(D7)と、
アノードが前記負側直流電源線に、カソードが前記第4ダイオード素子と前記第3キャパシタンス素子との間にそれぞれ接続された第6ダイオード素子(D8)と
を更に備える、請求項1又は2に記載の直接形電力変換装置。 - 前記電圧形電力変換装置、前記スイッチ素子は、PIM(Power Integrated Module)モジュールで構成されている、請求項1乃至3の何れか一つに記載の直接形電力変換装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007205602A JP5186829B2 (ja) | 2007-08-07 | 2007-08-07 | 直接形電力変換装置 |
ES08826940.2T ES2653854T3 (es) | 2007-08-07 | 2008-08-06 | Aparato de conversión de potencia directa |
US12/666,603 US8264859B2 (en) | 2007-08-07 | 2008-08-06 | Direct power converting apparatus |
PCT/JP2008/064125 WO2009020152A1 (ja) | 2007-08-07 | 2008-08-06 | 直接形電力変換装置 |
KR1020097024039A KR101099922B1 (ko) | 2007-08-07 | 2008-08-06 | 직접형 전력 변환 장치 |
AU2008284672A AU2008284672B2 (en) | 2007-08-07 | 2008-08-06 | Direct power converting apparatus |
EP08826940.2A EP2178199B1 (en) | 2007-08-07 | 2008-08-06 | Direct power converter |
CN200880101937A CN101772882A (zh) | 2007-08-07 | 2008-08-06 | 直接型功率转换装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007205602A JP5186829B2 (ja) | 2007-08-07 | 2007-08-07 | 直接形電力変換装置 |
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JP2009044820A true JP2009044820A (ja) | 2009-02-26 |
JP5186829B2 JP5186829B2 (ja) | 2013-04-24 |
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US (1) | US8264859B2 (ja) |
EP (1) | EP2178199B1 (ja) |
JP (1) | JP5186829B2 (ja) |
KR (1) | KR101099922B1 (ja) |
CN (1) | CN101772882A (ja) |
AU (1) | AU2008284672B2 (ja) |
ES (1) | ES2653854T3 (ja) |
WO (1) | WO2009020152A1 (ja) |
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2008
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- 2008-08-06 CN CN200880101937A patent/CN101772882A/zh active Pending
- 2008-08-06 US US12/666,603 patent/US8264859B2/en active Active
- 2008-08-06 WO PCT/JP2008/064125 patent/WO2009020152A1/ja active Application Filing
- 2008-08-06 AU AU2008284672A patent/AU2008284672B2/en active Active
- 2008-08-06 KR KR1020097024039A patent/KR101099922B1/ko active IP Right Grant
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Patent Citations (6)
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JPS6013485A (ja) * | 1983-07-01 | 1985-01-23 | Matsushita Electric Ind Co Ltd | 誘導電動機駆動用インバ−タ装置 |
JPH0469096A (ja) * | 1990-06-29 | 1992-03-04 | Sanyo Electric Co Ltd | インバータ装置 |
JPH07255179A (ja) * | 1994-03-14 | 1995-10-03 | Toshiba Corp | 電力変換装置 |
JP2000341967A (ja) * | 1999-05-26 | 2000-12-08 | Matsushita Electric Works Ltd | インバータ装置 |
JP2002238260A (ja) * | 2001-02-09 | 2002-08-23 | Fuji Electric Co Ltd | 半導体装置 |
JP2008079381A (ja) * | 2006-09-20 | 2008-04-03 | Toyo Electric Mfg Co Ltd | マトリックスコンバータ |
Also Published As
Publication number | Publication date |
---|---|
CN101772882A (zh) | 2010-07-07 |
KR101099922B1 (ko) | 2011-12-28 |
EP2178199A4 (en) | 2013-10-30 |
EP2178199B1 (en) | 2017-11-22 |
WO2009020152A1 (ja) | 2009-02-12 |
US8264859B2 (en) | 2012-09-11 |
US20100321965A1 (en) | 2010-12-23 |
ES2653854T3 (es) | 2018-02-09 |
AU2008284672A1 (en) | 2009-02-12 |
AU2008284672B2 (en) | 2011-02-10 |
EP2178199A1 (en) | 2010-04-21 |
KR20090127957A (ko) | 2009-12-14 |
JP5186829B2 (ja) | 2013-04-24 |
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