Motor changes direction randomly ?

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Trelos   100 mW

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Motor changes direction randomly ?

Post by Trelos » Apr 08 2021 7:57pm

I am building an electric go kart with a surron light bee motor and am using a Powervelocity 24 let controller I seemed to of found the correct configuration for the phase /hall wires but every time I accelerate the motor changes direction .I then tried a second PV controller and it does the same thing, next a Sabvoton 72150 and it works perfectly .I want to use the PV because it produces a lot more power than Sab.
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neptronix   100 GW

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Re: Motor changes direction randomly ?

Post by neptronix » Apr 08 2021 8:38pm

Are you using it in a sensorless mode?
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amberwolf   100 GW

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Re: Motor changes direction randomly ?

Post by amberwolf » Apr 08 2021 9:19pm

If the controller you are using has a "learn" mode (typically a pair of wires connected together to learn the correct phase/hall combo), then leaving those connnected could cause similar behavior.

Otherwise, the controller being unable to reliably read the hall sensors could cause it to spin the wrong way sometimes. (Wiring or connection problems, hall sensor issues, etc)

A false-positive hall/phase combo might also do this, depending on the actual magnet positions (rotor position) vs the hall sensors.

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