Motor drive with disengageable coupling

    公开(公告)号:US10242811B2

    公开(公告)日:2019-03-26

    申请号:US15318601

    申请日:2015-07-13

    摘要: A motor drive for actuation of an on- or off-load tap changer the drive has a drive motor, a load transmission having a first drive shaft carrying a first drive wheel and connected with the drive motor and a second drive shaft carrying a second drive wheel, and a mechanical coupling between the first and second drive wheels. The second drive shaft is operatively connected at a first end with the on- or off-load tap changer and at a second end with an indicator transmission. A setting indicator operatively connected with the indicator transmission displays the current setting of the on- or off-load tap changer, and a disengageable coupling is provided between the setting indicator and the load transmission.