Hooking up a single motor

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  • Naptown
    replied
    Originally posted by Mike90250
    There are LINEAR CURRENT DRIVERS for dc motors, but I don't know of any for that large of motor
    Thank you Mike for rescuing me from my senior moment.

    I wonder what the motor is? sounds like a pump to me.

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  • Mike90250
    replied
    There are LINEAR CURRENT DRIVERS for dc motors, but I don't know of any for that large of motor

    Leave a comment:


  • Naptown
    replied
    Originally posted by thedjwcc
    I am looking to hook up a single dc electric motor to a couple of panels. No batteries. Do the amps and voltage output created by the panels needs to be changed for the motor specifications? Is there some sort of controler that will help prevent burning out the motor so its not trying to run with low sunlight?, It wouldnt do me any good at low RPMs anyway. This will be the only thing run by the panels, I have included the specs for both below for what I am looking at for this project.

    Motor -
    H.P. = 1/2
    Base RPM = 1750
    Arm. Volt. = 90 VDC
    NEMA Frame = 56C
    F.L Amps = 5.3

    2 x Panels
    Single panel specs -
    Pmax: 240 Watts
    Voc: 37.6 Volts
    Vmp: 30.6 Volts
    Isc: 8.22 Amps
    Imp: 7.87 Amps
    For that application I would use 3 panels minimum in a string of 3
    This may be marginal but the voltage on the panels is not high enough for the motor with only 2.
    There is a device to allow you to run the motor without batteries but I am having a senior moment right now and don't remember the name.

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  • thedjwcc
    started a topic Hooking up a single motor

    Hooking up a single motor

    I am looking to hook up a single dc electric motor to a couple of panels. No batteries. Do the amps and voltage output created by the panels needs to be changed for the motor specifications? Is there some sort of controler that will help prevent burning out the motor so its not trying to run with low sunlight?, It wouldnt do me any good at low RPMs anyway. This will be the only thing run by the panels, I have included the specs for both below for what I am looking at for this project.

    Motor -
    H.P. = 1/2
    Base RPM = 1750
    Arm. Volt. = 90 VDC
    NEMA Frame = 56C
    F.L Amps = 5.3

    2 x Panels
    Single panel specs -
    Pmax: 240 Watts
    Voc: 37.6 Volts
    Vmp: 30.6 Volts
    Isc: 8.22 Amps
    Imp: 7.87 Amps
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