Motor start capacitor.

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  • joshnz
    Badcaps Veteran
    • Feb 2011
    • 969
    • New Zealand

    #1

    Motor start capacitor.

    Current Cap 7.5uF +/-5% actual 2.5uF

    Replacement I found I 6.6% greater 8uF

    Only thing I am thinking of is temperature increase in start winding.

    In theory I would expect it to provide more start toque and slightly higher running temp is this correct.
    My pc
    CPU : AMD PHENOM II x4 @ 3.5Ghz
    MB : ASUS M4A89TD PRO USB3
    RAM : Kingston ValueRAM 16gb DDR3
    PSU : Cooler Master 850W Silent Pro
    GPU : ATI Radeon HD 6850
  • goontron
    5000!
    • Dec 2011
    • 4108
    • US

    #2
    Re: Motor start capacitor.

    a .5uf increase will not have a significant increase in temp. it may on torque but it depending on the motor.
    Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....

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    Comment

    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA

      #3
      Re: Motor start capacitor.

      Once the motor starts spinning, the start up cap is no longer connected to the circuit, it is only used for starting not for running. You are talking start up not running cap, right?
      Never stop learning
      Basic LCD TV and Monitor troubleshooting guides.
      http://www.badcaps.net/forum/showthr...956#post305956

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      http://www.badcaps.net/forum/showthr...999#post300999

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      Comment

      • joshnz
        Badcaps Veteran
        • Feb 2011
        • 969
        • New Zealand

        #4
        Re: Motor start capacitor.

        Originally posted by budm
        Once the motor starts spinning, the start up cap is no longer connected to the circuit, it is only used for starting not for running. You are talking start up not running cap, right?
        yes run capacitor the machine will run if you help it start otherwise the motor just rotates slowly.
        Attached Files
        My pc
        CPU : AMD PHENOM II x4 @ 3.5Ghz
        MB : ASUS M4A89TD PRO USB3
        RAM : Kingston ValueRAM 16gb DDR3
        PSU : Cooler Master 850W Silent Pro
        GPU : ATI Radeon HD 6850

        Comment

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