motors

  1. cprfenom

    Looking for some learning literature for motors

    Hi all, I am looking to take a Red Seal exam to start my process to move to Canada as a skilled trade. Here, I don't do much with motors, but there its more prevalent in the exams. Does anyone have any advice or suggestions for web research or books I can use to give me guidence?
  2. G

    Outdoor Heating, Blind Motors, New Circuits - Brain hurts!

    So, with the house job nearly completed, the wife wants some outside heating and the blind man needs to connect his motors for the new outside blinds coming... HEATER She’s found a 2kw infra red heater that, while I’m not keen on trailing cables on the deck will probably do the job if it’s...
  3. S

    painting enclosures of industrial electric motors

    Hi all , I am new to this forum, just looking for your advice for industrial electric motors, my question is there any reference standards for painting the enclosures of industrial electric motors when needed as part of the PM. Appreciate your guidance and advice for any international references...
  4. dlt27

    Motors and Star Delta Question

    Hi and thanks for any replies. I am predominantly an install electrician and don't have a lot of experience dealing with motors so any help would be greatly appreciated. I have been asked to connect a CNC machine, a dust extractor and a pump. The CNC is straight forward as it is just connected...
  5. B

    After installing Inverter Drive, two motors now running at different speeds?

    We've just put in a bread cooling conveyor system. It has two sections, 8ft, and 25ft. Each belt has its own motor, both being 3PH, 230v. Each motor draws approximately 2 Amps. We put in a 5 HP Lenze Inverter Drive to control both motors because, before installing the Drive, both belts were...
  6. M

    Electrical installation design guide

    Have been sizeing up the size of armour on diffent SWA cables to make sure they are suitable to be protective conductors. Come across table 8.8 page 100 .on this table it says maximum bs88 fuse size (for example) 120mm 4core is 500a, when it also says current carrying capacity is 335 method c...
    • mickfred
    • Thread
    • armour cable conductor design electrical electrical installation guide installation motor motors
    • Replies: 27
    • Forum: The Welcome Forum
  7. R

    Panel problem

    Hi guys, after your thoughts on a problem i have on a panel at a sand quarry feeding the main sand pumps and de-watering screens. The panels main isolator is tripping at random times, it can run for an hour with no problems then it will blow. There are 2 rcd's feeding the pumps and neither of...
  8. T

    3 phase motor intermittantly tripping

    I have got a 3 phase motor running a conveyor belt, every couple of days it will trip the overload. I have tested the motor, windings are ok, not drawing excessive current, good insulation resistance. It has a brake mounted on it but this seems to be releasing ok. Motor does get a bit hotter...
  9. A

    Interlocking conveyors and motors

    I'm going to be learning to interlock conveyors so that one cant start without the preceding one running. For safety purposes. I'm working with a guy that does this all the time and we wont be doing this until next Saturday but he isn't the best at explaining stuff. He knows his stuff and is a...
  10. T

    EU's doing away with 3phase Pumps and motors

    This is starting to get right on my !! Now. Needed a few pumps in the last few months, which wasn't the easiest of jobs getting like for like. But now I can't get them or any for that. All the pump and motor manufacturers are only supplying single phase motors wdf. Some --- in the EU/ G12 or...
  11. the pict

    Fans and wires

    Why do fan and speed controller manufacturers use use U, Z , K or UZ sometimes the fan and contoller have different letters instead of harmonizing fan to controller, just asking never thought about it until a guy asked, funny the things you just accept and just go by the diagram(s) P
  12. S

    Control Panel Certification

    Hi All We do a lot of testing, but this is the first job like this for us. Basically a company are renewing the cables from a control panel to 7 motors etc, they are taking care of the controls etc. We are due to test and certify the new SWA cables and terminations etc, which isn't a problem...
    • surreysparks
    • Thread
    • becsa certification competent control cps drive earth inverter motors panel person scheme tests
    • Replies: 4
    • Forum: Commercial Electrical Advice
  13. L

    Inverters and washing machine motors

    I would like to know whether I can run a 1/2hp (~380W) washing machine motor on a 600W (1200W peak power) pure sine wave inverter. I had (famous last words) a 600W modified sine wave inverter which worked well off a car...
    • laurence6202
    • Thread
    • inverters machine motors washing
    • Replies: 3
    • Forum: UK Electrical Forum
  14. i=p/u

    Starters and motors

    was looking at a motor the other day and when I measured across all I got was 230v to Earth but not 400v between.
  15. B

    Possibly fried circuitry, Need HELP!

    So I bought a pair of oster clippers from the states, took them to a guy who owns a hardware shop and asked what I needed he handed me a Us to Uk adapter and everything was fine. I used the clippers for maybe 5 weeks before they started cutting out when they were moved abit harshly, it gradually...
    • BeardedBarber
    • Thread
    • adapter circuit fried help help! motor motors need help possibly voltage
    • Replies: 8
    • Forum: DIY Electrical Advice
  16. uksparks

    Pumps and motors

    Hi, Ive got a good opportunity to do regular work for someone, well, a few times a month, connecting new pumps and motors, three phase stuff etc. Its a new area for me and looking for some pointers and basic information on where to start really, is there any good books or literature anywhere...
  17. R

    Multiple 3 phase motors fed via a JB supplied with a 27 core SWA

    Looking into a site today, just changing an isolator, i found multiple motors are supplied via a 27 core SWA cable. The motors are only 1-3kw and are supplied as follows... Main panel ---(27core SWA)----JB----(7core SWA)----Motor The 7 core includes an isolator signal for control purposes. I...
  18. A

    Electric Gate Motors

    Hi, can someone please help. I have replaced x2 Nice ME310 motors a year ago and all been working fine until recently. They seem now seem to fuse in a particular position or even sometimes in random positions. The connections to the motors and main junction box are dry so sure this is not the...
    • Andre007
    • Thread
    • electric electrical motors
    • Replies: 1
    • Forum: UK Electrical Forum
  19. B

    Setting overloads for three phase motors

    Hi just a question on setting the thermal overloads of a three phase motor. I have heard a few electricians state a few things regarding what it should be set at 1. Get operational current of motor and set it just above that reading 2. Set it at full load current of the motor 3.set it at 110% of...
  20. J

    Motors and Panel's, good practical book(s)?

    Hi, I am looking for a good book(s) on Motors and Panels, if anyone knows or has one that they would recommend :) Thanks
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