JP6902121B2 - 電力変換装置および電力変換装置を搭載する電気鉄道車両 - Google Patents
電力変換装置および電力変換装置を搭載する電気鉄道車両 Download PDFInfo
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- JP6902121B2 JP6902121B2 JP2019567846A JP2019567846A JP6902121B2 JP 6902121 B2 JP6902121 B2 JP 6902121B2 JP 2019567846 A JP2019567846 A JP 2019567846A JP 2019567846 A JP2019567846 A JP 2019567846A JP 6902121 B2 JP6902121 B2 JP 6902121B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- 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
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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
- H02M7/42—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/24—Electric propulsion with power supply external to the vehicle using ac induction motors fed from ac supply lines
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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
- H02M7/42—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
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- 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
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/525—Temperature of converter or components thereof
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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
- 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
- H02M1/007—Plural converter units in cascade
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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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
- H02M7/02—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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- 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
- H02M7/23—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 arranged for operation in parallel
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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
- H02M7/42—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
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- 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
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/10—Plug-in assemblages of components, e.g. IC sockets
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Description
また一方で、以下に示すように、効率向上の目的や設置環境対応のために、様々な回路が存在し、それら回路毎にも小型化する試みがなされている。
以上のように、全ての回路を4相1体にし、または4相1体の電力変換装置を組み合わせて搭載することにより、個別に必要な部品を削減することが可能となり、電力変換装置の生産性の向上が図られると共に、部品点数の低減による小型化や故障リスクの低減が可能となる。
電力変換装置100は、冷却器150、複数のパワーモジュール110、複数のコンデンサ120、正極バスバ40と負極バスバ50および出力、入力または特定用途用のバスバ61〜64から構成されている。複数のパワーモジュール(2in1パワーモジュール)110は、冷却器150に接する形態で設置され、冷却器150に対して、複数の2in1パワーモジュール110を、モジュール短手方向5を上下方向と合わせて4つ並べる(図3も併せて参照)。そして、複数のコンデンサ120を、パワーモジュール110を挟んで冷却器150の向かい側に配置している。
図5は、昇圧回路を実現するための4相1体電力変換装置の回路構成を示す図である。また、以下の表1に、この回路構成における出力または特定用途用の端子の接続先を示す。
1相目の2in1パワーモジュール1(111)、2相目の2in1パワーモジュール2(112)および3相目の2in1パワーモジュール3(113)が、U相、V相およびW相の3相に対応するパワーモジュールとなり、各パワーモジュールのモジュール交流端子6cに接続される出力端子1〜3(71〜73)が、電動機500のU相、V相およびW相にそれぞれ接続される。
また、4相目の2in1パワーモジュール4(114)が、インバータの直流側に、特定用途として昇圧回路用に接続され、そのパワーモジュールの特定用途用端子4(74)がリアクトル600に接続される。
すなわち、表1に示すように(「図5」とした列)、各パワーモジュール111〜114のモジュール交流入出力または特定用途用の端子6cは、1相目が、出力端子としてインバータ出力のU相モータ線、2相目が、出力端子としてインバータ出力のV相モータ線、3相目が、出力端子としてインバータ出力のW相モータ線、にそれぞれ接続され、4相目が、特定用途用端子としてインバータの昇圧線に接続される。
1相目から3相目までの2in1パワーモジュール1〜3(111〜113)については、3相インバータを構成することから図5に示す接続態様と同様であり、4相目が特定用途として異なる。4相目の2in1パワーモジュール4(114)が、インバータの直流側に、特定用途として過電圧抑制用に接続され、そのパワーモジュール4(114)の特定用途用端子4(74)が抵抗130を介してリアクトル600に接続される。
すなわち、表1に示すように(「図6」とした列)、各パワーモジュール111〜114のモジュール交流入出力または特定用途用の端子6cは、1相目が、出力端子としてインバータ出力のU相モータ線、2相目が、出力端子としてインバータ出力のV相モータ線、3相目が、出力端子としてインバータ出力のW相モータ線、にそれぞれ接続され、4相目が、特定用途用端子としてインバータ直流側のインバータ過電圧抑制回路線に接続される。
1相目から3相目までの2in1パワーモジュール1〜3(111〜113)については、3相インバータを構成することから図5や図6に示す接続態様と同様であり、4相目が特定用途として異なる。4相目の2in1パワーモジュール4(114)が、インバータの直流側に、特定用途としてブレーキチョッパ用に接続され、そのパワーモジュール4(114)の特定用途用端子4(74)が抵抗130を介して接地部400に接続される。
すなわち、表1に示すように(「図7」とした列)、各パワーモジュール111〜114のモジュール交流入出力または特定用途用の端子6cは、1相目が、出力端子としてインバータ出力のU相モータ線、2相目が、出力端子としてインバータ出力のV相モータ線、3相目が、出力端子としてインバータ出力のW相モータ線、にそれぞれ接続され、4相目が、特定用途用端子としてインバータ直流側のブレーキチョッパ線に接続される。
図8に示す構成は、4相1体電力変換装置を2群2相コンバータの交流入力用に適用したものである。したがって、この場合には、各パワーモジュール111〜114のモジュール交流入出力または特定用途用の端子6cは、入力端子として使用されることになる。以下では、入力端子として使用される場合に限って、「´」を付加することとする。
1相目の2in1パワーモジュール1(111)および2相目の2in1パワーモジュール2(112)は1群側トランス141に、3相目の2in1パワーモジュール3(113)および4相目の2in1パワーモジュール4(114)は2群側トランス142に、それぞれの入力端子1´〜4´(71´〜74´)を接続する。これにより、4つの2in1パワーモジュール1〜4(111〜114)を用いて2群2相のコンバータ回路を構成する。
すなわち、表1に示すように(「図8」とした列)、各パワーモジュール111〜114のモジュール交流入出力または特定用途用の端子6cは、1相目が、入力端子としてコンバータの1群U相線、2相目が、入力端子としてコンバータの1群V相線、3相目が、入力端子としてコンバータの2群U相線、および、4相目が、入力端子としてコンバータの2群V相線、にそれぞれ接続される。
図9〜11に、実施例2に係る電力変換装置100の構造を示す。図9は、実施例2に係る電力変換装置100の構造を斜視図にして示す図である。図10は、図9に示す電力変換装置100の構造からコンデンサ120のみを外した状態の正面図を示し、図11は、図10に示す構造からバスバを外した状態の正面図を示す。
6a…モジュール正極端子、6b…モジュール負極端子、
6c…モジュール交流入出力または特定用途用の端子、40…正極バスバ、
50…負極バスバ、60…出力、入力または特定用途用のバスバ、
61…出力または入力バスバ1、62…出力または入力バスバ2、
63…出力または入力バスバ3、64…特定用途用バスバ4、
70…出力または特定用途用の端子、71…出力端子1、72…出力端子2、
73…出力端子3、74…特定用途用端子4、70´…入力端子、
71´…入力端子1´、72´…入力端子2´、73´…入力端子3´、
74´…入力端子4´、100…電力変換装置、110…2in1パワーモジュール、
111…2in1パワーモジュール1(1相目)、
112…2in1パワーモジュール2(2相目)、
113…2in1パワーモジュール3(3相目)、
114…2in1パワーモジュール4(4相目)、
120…コンデンサ、130…抵抗、140…トランス、141…1群側トランス、
142…2群側トランス、150…冷却器、200…遮断器、300…架線、
400…接地部、500…電動機、600…リアクトル、900…電気鉄道車両
Claims (10)
- 2つの半導体素子を直列に配置したハーフブリッジ構成の半導体モジュールから構成される電力変換装置であって、
前記半導体モジュールは、略直方体形状で、当該直方体の長手方向に沿って正極端子、負極端子および交流入出力または特定用途用の第3の端子を設けて当該電力変換装置を構成する1相分を形成し、
当該電力変換装置は、前記半導体モジュールを、前記直方体の長手方向である水平方向に鏡面対称にして2列並べ、前記直方体の短手方向である鉛直方向に4列並べた配置により形成した4つの相を有し、当該4つの相を、3相インバータに前記特定用途用の回路を残る1相として加えて構成するかまたは2相2群のコンバータで構成し、
冷却器が、前記半導体モジュール全てに接する形態で設置され、
1以上のコンデンサが、前記半導体モジュール全てを挟んで前記冷却器の向かい側に配置され、
前記半導体モジュールそれぞれの前記正極端子に接続される正極バスバおよび前記半導体モジュールそれぞれの前記負極端子に接続される負極バスバが、前記コンデンサに接続され、
前記半導体モジュールそれぞれの前記第3の端子に接続される出力、入力または前記特定用途用のバスバそれぞれが、前記4つの相に対応する出力端子、入力端子または前記特定用途用の4つの端子のいずれかに接続される
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であって、
前記正極バスバおよび前記負極バスバは、前記コンデンサを鉛直方向に挟む形態で当該電力変換装置の水平方向両端部に配置または前記コンデンサの鉛直方向に平行に当該電力変換装置の水平方向一方の端部に配置される
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であって、
出力、入力または前記特定用途用の前記バスバそれぞれは、個別に鉛直方向上方に延長され、前記4つの端子のいずれかに接続される
ことを特徴とする電力変換装置。 - 請求項1〜3のいずれか1項に記載の電力変換装置であって、
制御信号線が、前記正極端子または前記負極端子と前記第3の端子との間の空間から取り出される
ことを特徴とする電力変換装置。 - 請求項1〜4のいずれか1項に記載の電力変換装置であって、
前記特定用途用の回路が昇圧回路である
ことを特徴とする電力変換装置。 - 請求項1〜4のいずれか1項に記載の電力変換装置であって、
前記特定用途用の回路が過電圧抑制回路である
ことを特徴とする電力変換装置。 - 請求項1〜4のいずれか1項に記載の電力変換装置であって、
前記特定用途用の回路がブレーキチョッパ回路である
ことを特徴とする電力変換装置。 - 請求項1に記載の前記2相2群のコンバータで構成した電力変換装置と請求項5〜7のいずれか1項に記載の電力変換装置とを組み合わせて交流入力を交流出力に変換する
ことを特徴とする電力変換装置。 - 請求項1〜7、9のいずれか1項に記載の電力変換装置を搭載する電気鉄道車両。
- 請求項10に記載の電気鉄道車両であって、
前記電力変換装置を構成する前記半導体モジュールの前記長手方向を当該車両の進行方向とする
ことを特徴とする電気鉄道車両。
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