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Thread: HPEVS encoder

              
   
   
  1. #1
    Senior Member chdfarl's Avatar
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    HPEVS encoder

    Would one of you happen to know the brand and model encoder used on the HPEVS AC motors.

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    Mine needed to be replaced on an AC30 and although I figured out the manufacturer, the part was an OEM spec and thus not available (cheep) off the shelf... Hope that helps. Bill at HPEVs found me one off a junk motor or out of a drawer of parts. Check with them.

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    Empulse R #24 frodus's Avatar
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    Let me know, I sell HPEVS equipment and parts and can get you one no problem.

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    Senior Member chdfarl's Avatar
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    Hi guys I appreciate the replies. I spoke to a guy at HPEVS whose name I think was Bill and he quoted a price of $50 for that encoder. That doesn't seem bad but it isn't for one of those motors. I've bought two induction motors. One is a lesson the other is a gm eassist motor. They'll be used with Sevcon espAC. The leeson motor has no encoder and the gm has a resolver to my understanding. The espAC and Gen4 mmanuals both spec either a constant current or open collector encoder.

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    Empulse R #24 frodus's Avatar
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    You'll just need to follow the specs in the espAC controller manual. The encoder is programmable as far as the pulses per revolution. I think they're AB encoders, but you'd need to check. I doubt the encoder would be the same for you as with the HPEVS motors.

  6. #6
    Senior Member chdfarl's Avatar
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    Quote Originally Posted by frodus View Post
    I doubt the encoder would be the same for you as with the HPEVS motors.
    Why do you say that?
    I figured if they were AB encoders then it would be a matter of configuring the parameters in DVT like thePPR. The manual mentions the same SKF or Thalheim eencoders as the Gen4 manual but those seem pricey.

  7. #7
    Empulse R #24 frodus's Avatar
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    Physically different I mean. The encoders they have are made to fit the HPEVS motors on the non-drive end bell, beneath the fan.

  8. #8
    Senior Member chdfarl's Avatar
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    1473708039758.jpg
    Here's a picture of the two motors

    What would be a suitable encoder and where would it be bought. I looked on Mouser and digikey and found an HEDS 5500-S13
    http://www.digikey.com/product-detai...?fullsite=true

    That's why I was trying to find data on the hpevs encoder to compare and contrast as that one is a know used item.
    Last edited by chdfarl; 13 September 2016 at 0559.

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