motor

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  1. suffolkspark

    UK 12v dc motor forward reverse off switch

    Hi all, had a job with a swimming pool bubble cover that rolls onto a spool with a small 12v dc motor, it had a reverse key switch to roll and unroll the cover which has had a load of water in and got corroded and stopped working. Thought I'd taken a picture of the switch when there but I havnt...
  2. D

    AC to DC motor thyristors speed and direction control

    So i have been given this question: You have also been asked to produce a circuit design that can control the speed and direction of a conveyor with a AC to DC motor thyristor system. What are the the operational features (how it works with speed and direction circuit diagram/s) I am really...
  3. D

    Transistor H-bridge system for a conveyor motor with speed control property's

    Hey, I've been asked a question 'what are operational systems on Transistor H-bridge system for a conveyor motor with speed control property's'. I know that system I've put below would work for a lower voltage application, I just cant seem to find any information on high voltage applications. I...
  4. Joe9009

    Where to connect power cord to induction single phase motor 240v

    (I would want it to run clockwise) Any guidance would be much appreciated.
    • Joe9009
    • Thread
    • 240v ausie elec connect cord induction motor phase power single single phase where
    • Replies: 22
    • Forum: Australia
  5. UKMeterman

    A good video about a 1920's lift including the slip ring motor

    The power guys might like View: https://www.youtube.com/watch?v=6DlI0yOYHH0
  6. J

    Motor starter A1 and A2 coil contacts

    Does it matter which part of the coil power is supplied? (can you reverse polarity)? For example can I put the “hot” current carrying conductor on terminal A2 and leave with a grounded conductor from terminal A1 (assuming power supplieD is 120v.) (what about 24V?) Is there a specific type of...
  7. N

    how to apply power to sunroof motor?

    Hi there, I have a 1992 Mercedes and what I'm trying to do is take my cordless drill (12v, 18v, whatever) and apply power to the sunroof directly on junkyard cars. I want to run the roof forward and back to remove parts from the various area of the sunroof system. The connector on the motor...
  8. R

    Prodis Dishwasher PRO30450 Timer Motor

    Prodis Dishwasher PRO30450 Timer Motor. Commercial dishwasher. I know that's terribly specific but I can't find anything anywhere on the net for this machine. Timer motor is defective. Keeps jamming mid cycle because gears are worn. So it only needs a motor. But I can't find either the motor or...
  9. S

    125 HP motor speed problem

    We have a 125 HP motor. After rewinding, it runs at low speed at full load, but runs at rated RPM at no load. Any ideas why?
  10. W

    Single phase motor reverse rotation

    Brook Crompton Parkinson single phase PD90S (from the 70s) 240v 11A 2850rpm 50hz I'm using it for polishing metal with a tapered spindle adapter and buffing wheels. I've got 2 questions. 1. (This photo was taken with all the wiring in its original position.) I've managed to...
  11. James

    help with motor

    anyone able to help me with this motor? its a dc motor with forced vent. i am trying to find a suitable motor drive for it but the nameplate is confusing me. anyone fancy deciphering it for me?
  12. F

    3 phase motor dropping voltage with load.

    I have a 10 HP -230 volt 3 phase hydraulic press brake. I just installed a new 40 HP rotary converter panel with used WEG motor. The problem i am having is the volts going into the press during a load is dropping from 245 to 195-200 volt. Which means i'm loosing power of the hydraulic system...
  13. D

    Single phase 240v motor starter & overload with on/off switch wiring?

    Hi, Hoping you all can help me wire up my single phase 240v induction motor. Can someone please explain or even better sketch out where the wires need to go, I have a fair idea already just want some good advice before I continue. Switch is CK-5 10A 250v - SWITCH Thanks in advance!
  14. edexlab

    Motor VSD problem

    Evening all Had a problem this week which has puzzled me a bit Installed a machine last week which has 2 sides to it both doing the same operation It ran perfectly for 19 hrs and then one side stopped working I was away from the site and the maintenance guy called me so I got him to open the...
  15. Pete999

    AM2 DOL Motor

    Trying to get my head around something for a youngster I know about to study for AM2. Someone mentioned that one of the faults has something to do with the Motor running in the wrong direction and what is the way to reverse the rotation, I take it that the Motor is 3 phase am I correct? Not done...
  16. A

    Big motor heating problem

    Hi guys I have a big problem with 3-phase induction motor in star connection The motor power is 3-hp When the motor is starting periodically (many times per minute) it is over heating after 10 minutes from start of working. If the motor is in continuous operation it doesn't heat but if it...
  17. V

    Series parallel motor starter with auto off proximity sensor

    Hi All A while ago a customer asked us to move a 1970s single phase corn mill and return it to use. It had an old series parallel starter with a lever on it ..which we replaced with a crompton controls series 3000 starter...all good and running. Now they had another ip rated box attached to...
  18. dlt27

    Motor starter help.

    Hi all, thanks again for any input. I have been asked to look at this starter as motor starts ok, but when switches over to run motor stops and starter just hums. First of all like I’ve said in previous posts I haven’t had a lot of experience with motors/ starters etc Am I right in thinking this...
  19. happysteve

    Brushless motor battery drills - unsatisfactory speed control, or just this model?

    Have had a Makita BHP458 (non-brushless) hammer drill for years, I love it, it's pretty indestructable and the torque's great, but the chuck's finally going. They seem to be moving to brushless motors now (for most of their combi drills). I've only recently bought a battery SDS drill (after 2...
  20. H

    Can i use a Reed switch to detect if my motor is spinning?

    Hey Everyone. Im designing a product that has an analog electrical system in which i have multiple fans. im thinking of using a Reed switch to let me know if my Fans are working. My thought was that when a motor is spinning, it is creating a magnetic field that would close my reed switch. if...
    • Holewski
    • Thread
    • fans motor reed switch
    • Replies: 33
    • Forum: Canada

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