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110v vs 220v option for motors.

Discussion in 'Motor actuators and drivers' started by MaxPower, May 26, 2024.

  1. MaxPower

    MaxPower New Member

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    One thing I cannot figure out the answer to, and I don't think taking to a saleswoman at the company will help.

    https://www.aliexpress.us/item/3256...A&mp=1&gatewayAdapt=glo2usa#nav-specification

    The 1000-watt motor says rated current is 4.8 amps. It is available in 110v or 220v model. 4.8*110 is 528 watts and 4.8*220 is 1000 watts. Does this mean that if I get the 110v version it has 1/2 the output power?

    Also, they say "rated speed" and list it as 2500/3000. They don't say when it is 2500 or when it is 3000.
    MaxPower, May 26, 2024
    #1
  2. NoGhost23

    NoGhost23 New Member

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    Hi MaxPower,

    dont know if you answered this yet but I am stuck witht he same problem.
    My situation is that i have 110v in the wall here in canada but the walls arent finished so i can add a 22v if i need to but its not cheap.

    Thanos advised to get the White control box as you can set it to 110 or 220 on the fly. my plan is to try 110v and see how good or bad it is.

    I ordered the servos and controllers today. ill try to remember to pass on the results.

    hold that thought

    turns out i didnt order the servos and i am back to square one deciding between 110v and what is in the wall or running a 220v circuit.

    more research required
    Last edited: Feb 22, 2025
    NoGhost23, Feb 21, 2025
    #2
  3. Aerosmith

    Aerosmith Active Member

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    I think the 110V models have the same power but twice the current rating. The 750W motor has 3000 rated and 5000RPM max. speed. The 1000W motor has 2500 rated and 3000RPM max. speed.

    And you can't calculate the power by multiplying rated current with rated voltage. That's true for DC motors only. At 3 phase motors you have to take reactive current into account and the current is measured as RMS value per phase. Voltage is given as delta configuration but the windings are in star connection. So the electrical power is 3 * RMS current * RMS voltage * power factor / square-root(3). The mechanical power is electrical power * efficiency.

    So if you assume a power factor and an efficiency of 0.8 the total mechanical output power would be 220V * 4.8A * 1.73 * 0.8 * 0.8 = 1170W.
    Aerosmith, Feb 22, 2025
    #3
  4. NoGhost23

    NoGhost23 New Member

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    great now i am not closer to a solution than before. thanks a lot
    @Aerosmith
    :D
    NoGhost23, Feb 22, 2025
    #4