PROBLEM TO BE SOLVED: To reduce distortion in an output voltage waveform of an auxiliary power supply device, the distortion being caused at the time of starting up an induction load.SOLUTION: A controller 14, in starting up an induction load 20, outputs an auxiliary contact closing signal for instructing an auxiliary relay 13 to close an auxiliary contact. The auxiliary relay 13, when the auxiliary contact closing signal is input, closes the auxiliary contact; and outputs a main contact closing signal for instructing a three-phase contactor 12 to close a main contact and outputs a start-up notification signal to an auxiliary power supply device 11. The three-phase contactor 12, when the main contact closing signal is input, closes the main contact after a closed period has passed; and connects the auxiliary power supply device 11 to the induction load 20. The auxiliary power supply device 11, when the start-up notification signal is input, previously detects start-up of the induction load 20 and increases control gain for feedback control for a predetermined period of time.SELECTED DRAWING: Figure 1

    【課題】誘導負荷の起動時に生じる、補助電源装置の出力電圧波形の歪みを低減する。【解決手段】制御装置14は、誘導負荷20を起動する際に、補助継電器13に補助接点の投入を指示する補助接点投入信号を出力し、補助継電器13は、補助接点投入信号が入力されると補助接点を投入し、三相接触器12に主接点の投入を指示する主接点投入信号を出力するとともに、補助電源装置11に起動通知信号を出力し、三相接触器12は、主接点投入信号が入力されると投入時間の経過後に主接点を投入し、補助電源装置11を誘導負荷20に接続し、補助電源装置11は、起動通知信号が入力されると誘導負荷20の起動を事前に検知し、フィードバック制御の制御ゲインを所定時間大きくする。【選択図】図1


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    Title :

    AUXILIARY POWER SUPPLY DEVICE AND AUXILIARY POWER SUPPLY CONTROL SYSTEM


    Additional title:

    補助電源装置及び補助電源制御システム


    Contributors:

    Publication date :

    2018-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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