To achieve an element arrangement in which independence of a power source is secured and an impedance difference between phases can be easily suppressed.SOLUTION: An electric power conversion device according to one embodiment is provided with: a first inverter to be connected to one end of winding; a second inverter to be connected to the other end with respect to the one end; and a base plate that is mounted with switch elements of n-phases and common elements provided in at least either of a power source end and a grand end in common with the switch elements of the phases, for the first inverter and the second inverter. The base plate is partitioned into a mounting area for the first inverter and a mounting area for the second inverter, and with respect to each of the n-phases, the switch elements at both ends which supply electric currents to one winding are mounted to be point-symmetric with each other when viewed from a direction perpendicular to the base plate, where a center of the symmetry is common in the n-phases.SELECTED DRAWING: Figure 3

    【課題】電源の独立性が確保された素子配置であるとともに、相同士のインピーダンス差の抑制が容易な素子配置を実現する。【解決手段】電力変換装置の一態様は、巻線の一端に接続される第1インバータと、上記一端に対する他端に接続される第2インバータと、上記第1インバータおよび上記第2インバータについて、n相それぞれのスイッチ素子と、各相のスイッチ素子に対する共通の電源端およびグランド端の少なくとも一方に設けられた共通素子とが実装される基板とを備え、上記基板は、上記第1インバータの実装領域と、上記第2インバータの実装領域とに区画され、上記n相それぞれについて、一つの巻線に対する電流供給を担う両端のスイッチ素子が、上記基板に垂直な方向から見て互いに点対称に実装され、対称中心がn相で共通している。【選択図】 図3


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    Titel :

    ELECTRIC POWER CONVERSION DEVICE, DRIVING DEVICE AND POWER STEERING DEVICE


    Weitere Titelangaben:

    電力変換装置、駆動装置およびパワーステアリング装置


    Beteiligte:

    Erscheinungsdatum :

    25.03.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B62D MOTOR VEHICLES , Motorfahrzeuge / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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