JP6312852B2 - 電動機駆動装置および空気調和機 - Google Patents
電動機駆動装置および空気調和機 Download PDFInfo
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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
- H02P27/08—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 with pulse width modulation
- H02P27/085—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 with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
-
- 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
- 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
- H02M7/539—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 with automatic control of output wave form or frequency
- H02M7/5395—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 with automatic control of output wave form or frequency by pulse-width modulation
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
- H02P29/68—Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- 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
- H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
-
- 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
- H02M7/53871—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 with automatic control of output voltage or current
- H02M7/53875—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 with automatic control of output voltage or current with analogue control of three-phase output
- H02M7/53876—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 with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Description
図1は、本発明の実施の形態1にかかる電動機駆動装置の構成例を示す図である。図1に示すように本実施の形態の電動機駆動装置100は、交流電源1から入力される交流電流を直流電流に整流する整流器2と、リアクトル3と、コンデンサ4と、コンデンサ4の両端電圧を検出する電圧検出部11と、直流電力を3相交流電力に変換して3相モータであるモータ8すなわち電動機を駆動するインバータ部101と、インバータ部101を制御するためのPWM信号を生成する制御部9と、を備える。インバータ部101とモータ8の間には、モータ電流を検出する電流検出部10a,10bが設けられている。
pβ1:pβ2=ΔT1:ΔT2 すなわちpβ1=pα×ΔT1/ΔT …(1)
pα=pβ1+pβ2 …(2)
次に、本発明の実施の形態2にかかる電動機駆動装置について説明する。実施の形態1では、スイッチング素子の温度を計測し、温度に基づいてパルス幅を調整する例を説明したが、本実施の形態では、温度に加え、スイッチング素子の電流を検出する。
次に、本発明の実施の形態3にかかる電動機駆動装置について説明する。本実施の形態の電動機駆動装置は、実施の形態1で述べたインバータモジュール5,6,7または実施の形態2で述べたインバータモジュール50を3つ備える。以下では、実施の形態1で述べたインバータモジュール5,6,7を備える例について説明するが、実施の形態2で述べたインバータモジュール50を3つ備える場合も同様である。
図12は、本発明の実施の形態4の空気調和機の構成例を示す図である。本実施の形態の空気調和機は、実施の形態1、2または3で述べた電動機駆動装置を備える。図12では、実施の形態1の電動機駆動装置100を備える例を示しているが、実施の形態1の電動機駆動装置100の替わりに実施の形態2または3の電動機駆動装置を備えてもよい。本実施の形態の空気調和機は、実施の形態1のモータ8を内蔵した圧縮機81、四方弁82、室外熱交換器83、膨張弁84、室内熱交換器85が冷媒配管86を介して取り付けられた冷凍サイクルを有して、セパレート形空気調和機を構成している。
Claims (17)
- 電動機を駆動する電動機駆動装置であって、
電動機の相数と同数のインバータモジュールと、
前記インバータモジュールをPWM駆動するためのPWM信号を生成する制御部と、
前記インバータモジュールごとに、前記制御部により生成されたPWM信号に基づいて、前記インバータモジュールのスイッチング素子対分の個別PWM信号を生成し、前記インバータモジュールの温度を用いて前記個別PWM信号のパルス幅を調整する駆動制御部と、
を備え、
前記インバータモジュールは、2つのスイッチング素子が直列に接続されたスイッチング素子対を複数備え、複数の前記スイッチング素子対は並列に接続される電動機駆動装置。 - 前記インバータモジュール内の温度を前記インバータモジュールの温度として計測する温度計測部、
を備える請求項1に記載の電動機駆動装置。 - 前記温度計測部は、同一の前記インバータモジュール内の同一アームのスイッチング素子のうち少なくとも2つの温度と等価な温度を計測する請求項2に記載の電動機駆動装置。
- 前記駆動制御部を前記インバータモジュール内に備える請求項3に記載の電動機駆動装置。
- 前記駆動制御部を前記インバータモジュール外に備える請求項3に記載の電動機駆動装置。
- 前記温度計測部は、前記インバータモジュールの下アームのスイッチング素子の温度と等価な温度を計測する請求項3、4または5に記載の電動機駆動装置。
- 前記駆動制御部は、さらに前記インバータモジュールの下アームのスイッチング素子を流れる電流の計測値に基づいて個別PWM信号のパルス幅を調整する請求項3から6のいずれか1つに記載の電動機駆動装置。
- 前記インバータモジュールは、前記インバータモジュールと前記電動機の相数と同数のスイッチング素子対を備えるモジュールである単一モジュールとの判別が電気的な導通試験により可能なように構成される請求項1から7のいずれか1つに記載の電動機駆動装置。
- 前記インバータモジュールは、前記単一モジュールが有する端子の数と同一数の端子を有し、前記端子のうちの空き端子を前記端子のうちの他の端子と接続する請求項8に記載の電動機駆動装置。
- 放熱フィンを有する放熱部を備え、
前記放熱部は、前記電動機の相数と同数の前記インバータモジュールと接続するための突起部を有する請求項1から9のいずれか1つに記載の電動機駆動装置。 - 放熱フィンを有する放熱部と、
前記放熱部と、前記電動機の相数と同数の前記インバータモジュールとを同一の高さで接続するための補助部材と、
を備える請求項1から9のいずれか1つに記載の電動機駆動装置。 - 前記放熱フィンにより放熱を行うための冷却媒体の流路は、前記インバータモジュールが並ぶ方向と直交する請求項10または11に記載の電動機駆動装置。
- サージ吸収部を前記インバータモジュールごとに備える請求項1から10のいずれか1つに記載の電動機駆動装置。
- サージ吸収部を前記インバータモジュールごとに備え、
前記サージ吸収部は、前記インバータモジュールが実装される基板において、前記インバータモジュールに隣接し、前記放熱部に干渉しない位置に配置される請求項10、11または12に記載の電動機駆動装置。 - 前記スイッチング素子は、ワイドバンドギャップ半導体によって形成されている請求項1から14のいずれか1つに記載の電動機駆動装置。
- 前記ワイドバンドギャップ半導体は、炭化珪素である請求項15に記載の電動機駆動装置。
- 請求項1から16のいずれか1つに記載の電動機駆動装置と、
前記電動機駆動装置により駆動される電動機を有する圧縮機と、
を備える空気調和機。
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JP6410952B2 (ja) | 2015-09-04 | 2018-10-24 | 三菱電機株式会社 | 電動機駆動装置および空気調和機 |
WO2017187577A1 (ja) * | 2016-04-27 | 2017-11-02 | 三菱電機株式会社 | インバータ装置 |
JP6848832B2 (ja) * | 2017-11-28 | 2021-03-24 | 三菱電機株式会社 | 電力変換システム |
JP6993297B2 (ja) * | 2018-06-28 | 2022-01-13 | 株式会社日立製作所 | 電力変換装置 |
DE102018213336A1 (de) * | 2018-08-08 | 2020-02-13 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Wechselrichters, Steuervorrichtung für einen Wechselrichter und Wechselrichter |
JP7170867B2 (ja) * | 2019-06-18 | 2022-11-14 | 三菱電機株式会社 | 電力変換装置、冷凍サイクル装置および空気調和装置 |
CN110265974B (zh) * | 2019-06-29 | 2021-04-16 | 潍柴动力股份有限公司 | 温度检测方法及装置 |
KR102039595B1 (ko) * | 2019-08-07 | 2019-11-01 | 하이드로링크 주식회사 | 차량용 크레인의 오일 쿨러 제어용 dc 모터 컨트롤러 |
KR102343296B1 (ko) * | 2019-11-28 | 2021-12-24 | 현대모비스 주식회사 | Igbt 모듈의 온도 편차 보정 기능을 구비한 모터 구동 시스템 |
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