motors

  1. S

    Book on motors

    I really need to get a good understanding of motors. From the basics to decent level. Anyone know of a good book(s)? or any good websites? Cheers
  2. C

    400v through a ring final circuit

    Hey guys, I had a callout the other day, 7 fan coil units where not working, these where supplied via a ring final circuit and once all unplugged the circuit engaged, I latter discovered all fan coil units had a dead link between line and earth under a 250v insulation test. The manager and...
    • Chrisday1990
    • Thread
    • another circuit final motors previous ring ring final through units
    • Replies: 5
    • Forum: UK Electrical Forum
  3. Simonslimline

    Another useful PDF (Motors)

    Found this PDF last night and posted it to a friend in another section on here. Thought i would post it up in here as well. Very good bit of revision material.:smile: http://www.ecollege.ie/site/liu/electrical_notes/LL241.pdf
  4. M

    tube motors

    Might be the wrong section if so sorry. I been to look at a tubulular motor which lifts up a bar hatch no labels or nothing on the old one. Now all the new motors are marked in newton metres any idea how to work out what weight they lift the main ones seem to be 80NM .......any ideas guys...
  5. P

    2 speed star delta motors

    Hi guys, would anyone have any info on 2 speed star delta motors the one I'm looking at has a selector switch on control panel for low speed this brings in one contactor when you rotate the switch from low speed through off position to high speed position it drops out the low speed contactor...
  6. A

    Anyone working on generators or motors in quarrys?? Starting new job need advice

    As title suggests im starting a new job Monday gaining experience working on generators and motors in quarrys, its a week long trial with a view to giving me a 6 months to a year long placement. Im just not sure what to expect, the guy has said theyve went through 20 apprentices in recent years...
    • alanmcm
    • Thread
    • advice anyone electrical work generator generators motors new starting working
    • Replies: 20
    • Forum: UK Electrical Forum
  7. M

    Requirement of local isolators for 3 phase motors on plant

    Normally I fit local isolators adjacent to 3 phase motors to allow for maintenance. I have been informed that as my main control panel is within 8 meters at most from any one motor on the plant I can install a lockable emergency stop push button to kill the control circuit and use this as a...
  8. JD6400

    Electromagnetic effects , star / delta motor wiring ?

    I occasionally come across reasonably sized ( not for some of you , I know ! ) star delta motors that have been run in 2 x 3core swa . Now after looking in to this in the past , it has been suggested that as they tend to be only on motors up to 30kw or so , and as the loading per phase will be...
    • JD6400
    • Thread
    • apply bs7671 delta dryer electromagnetic motor motors wiring
    • Replies: 22
    • Forum: UK Electrical Forum
  9. K

    Starting 2 pole motors

    Hi, I'm a newbie here and I need help with starting some 2 pole 20KW motors, can I still use the normal 22KW DOL starters or is it better to upgrade the starters because of the larger starting current - any advice would be gratefully received, Thanks kjwudsph
  10. A

    3 phase contactor with overload

    Hi all, Could some one explain the correct way in connecting a 3phase contactor with overload protection. I have the supply going into l1, l2, l3 and motor connected to the load terminals, t1, t2, t3. I also have the 230v connected to the a1 coil and neutral on a2. Just a bit confused...
    • Akanami
    • Thread
    • 3 phase contactor current motor motors overload phase
    • Replies: 19
    • Forum: UK Electrical Forum
  11. Simonslimline

    Dc motors and generators

    Started doing motors etc at college so been looking online at vids, found this one which is interesting so thought i would post it up. DC MOTORS AND GENERATORS - YouTube
  12. W

    Motors over 0.375kw

    Am I right in thinking I saw a regulation that was that any motor over 0.375 kw had to be on a DOL starter?
  13. S

    Problem with LED GU10

    Hi, I've installed two LED GU10 lamps in a customers bathroom. They're on the same circuit as two fluorescent energy saving lamps already installed in the bathroom. So far, three LED lamps have blow (I replaced the first one, and now two have blown). Could the motors in the fluorescent lamps...
  14. D

    Three phase motors

    I'm studying my HNC and I'm struggling a bit with motors, does anybody know much about three phase induction motors Cheers, Davey
  15. R

    Power consumption for a 3 phase connection

    Sir Can you pls what is Power consumption for a 3 phase connection compared to a single phase Thanking you, Sudesh
    • ramkisudesh
    • Thread
    • 3 phase asking connection consumption current motors phase power single
    • Replies: 9
    • Forum: UK Electrical Forum
  16. R

    3 phase motor rating.

    Firstly, I'm not doing this, I'm getting someone else to. I'm just interested. I have a machine arriving which has a largish motor, the plate on it is the one below. The horsepower is 0.6 but the current stated is 2.4A. This to me doesn't work out, is this the in-rush current? The motor is...
  17. A

    tripping RCD when I use motors

    Hi, I cannot use any motor in my house, vacuum cleaner etc. the RCD trips all the time. I have had 3 electricians in, one replaced my whole board, still no difference. they have tested all plugs, everything seems to be in order. no problems with the lights I do have 1 plug in the house that I...
    • Alcapone
    • Thread
    • fault motors rcd replaced still tripping
    • Replies: 89
    • Forum: UK Electrical Forum
  18. B

    3phase motors

    Hi all Has anyone got any decent links for notes on 3 phase and single please motors?? All kinds? Cheers
  19. P

    3 phase cable calc and fuse sizes for motors

    Hi am currently employed as testing and inspection on a industrial site just wondered if you could give me some advise What it is I got a 110 kw motor 180 amp 100 m run full load now I got a 75 mm cable supplying it . I have checked table 4d4a in the regs as it is 3 core armoured . Ref method E...
  20. D

    Fault finding single phase motors

    Ok got called in regards to somebody's electrica gate not working. Power supply all seems good. After removing the motor i attempted to test the windings. ( i really havent done much with motors) the motor is single phase. Has a N , 2 feeds/supplys/windings. ? is this one :- Electric Gates...
Best EV Chargers
Best EV Chargers by Electrical2Go! The official electric vehicle charger supplier.

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

Daily, weekly or monthly email

Receive a daily, weekly, or monthly email containing a digest of new and recently updated threads.
UK Tiling Forum | Tilers Forums
UK Tiling Forum by Tilers Forums UK
Plumbers Forums | Plumbing Advice | Gas Forum
Electrician Tips from Professional Electricians
JBOD Forums: a forum for JBOD storage server advice
JBOD Suppliers: JBOD Storage Server Supplies
Back
Top