rotation

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  1. A

    How to ensure correct phase rotation on generator

    Hi all, Might seem like a silly question, but I have a client who wishes to install a 3 phase generator to back up the supply of an office building. The client approached me and said before the job commences, he wanted to establish if the phase rotation of the generator would match the phase...
  2. _q12x_

    Stepping Motor Angle Rotation using Logic IC's

    This is more a challenge to myself and why not for some of you as well. I will try to make it myself alone but... it will be easier and faster with some more experienced help from you guys. As the title says, with logic IC's. I could/should make it with an arduino or my favorite PIC12F508...
  3. D

    Siemens Reversing the direction of rotation of the DC motor

    Hello everyone. I have 1 Siemens "1GG6164-0JH40-6VV5-Z" Model DC Motor. It works in 2 phases. What should I do to reverse the rotation direction of this motor? I have marked the B1 and B2 Terminals in the Photo below. B1 and B2 are phase ends.
  4. D

    Where do you test from in phase rotation test on am2

    About to re sit testing section of am2. Am I required to test phase rotation at the incoming switch and also the 3 phase socket and motor. Just can't seem to find any clear instructions on what they expect on this test
  5. J

    Looking for recommended voltage tester with phase rotation test on it

    Hi Am looking for the above, with bag and tester confirmation box. Any recommendations please as there are a lot to choose from. Thank you. John
  6. M

    phase rotation incorrect at origin of install .

    Hi all, What are your views on phase rotation. Whilst doing an eicr for a customer's premises I found that the phase rotation at the origin was anti clockwise . the eicr form is asking for verification of phase sequences , which there is although anticlockwise . What would you do there in the...
  7. 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...
  8. Diver233

    Fluke Phase Rotation Testing help

    im hoping I’m doing something stupid so please chip in with any help. Recently upgraded my 10 year old Metrel meter with a Fluke 1664. So on the metrel doing phase rotation test on the screen it comes up L1 L2 L3 and tells you it’s correct or not, if its not it actually tells you which is...
  9. R

    Help with phase rotation fault question please

    Hi, When proving supply and polarity at a three phase cut out on a new supply with test lamps L1 - N is 230V L2 - N is 230V L3 - N is 230V L1 - L2 is 400V L1 - L3 is 400V So far so good. But here's the problem: L2 - L3 is NO LIGHT!!! The only thing I can think of is that L2 is fed...
  10. P

    Phase rotation advice

    Hello all, I'm after some advice on my current situation as I've never came across this before and trying to find answers online are not producing any results. Basically I've got a 3 Phase motor, checked voltages across the 3 lines and neutral, everything is as it should be. Checked rotation...
  11. H

    Phase Rotation/Sequence

    So I'm using a bit of this bank holiday to do some college work. I'm at a question as follows: Phase sequence is to be confirmed for the DBs and equipment during initial verification. State the locations at which phase sequence is to be confirmed for the circuits supplied from DB2. I've had a...
  12. A

    Ancient single phase electric motor - reversing the rotation

    Morning Gents, I hope that you can help me with this problem. I am not an electrician - I just know enough to be dangerous. I recently bought this beautiful beast : It's a Denford tools Viceroy pillar drill from the 60s or maybe even the 50s. Nice and cheap with one catch - it had a non...
    • AndrewB
    • Thread
    • ancient electric electrical motor phase rotation single single phase
    • Replies: 47
    • Forum: Electrical Tools and Products
  13. shanky887614

    phase rotation testers

    anybody use them. my jtl training advisor wants me to check phase rotation of motors for portfolio. i don't see the point. the only motors we use are for fans and vsd driven so you can see what way they spin. i thought fair enough if there not expensive ill have a look but at £100 ill pass
  14. Simonslimline

    Testing phase rotation. 2 types of instrument. Help please.

    I am currently working through unit 307 Task C. All going fine except a bit stuck on this question - Phase sequence is to be confirmed for the distribution boards and equipment during initial verification. State the 2 types of instrument used to check for correct phase sequence. So we have a...
  15. B

    Phase rotation tester

    Hi all I just recently purchased a phase rotation tester but unbeknown to me this product came from china, (when I purchased this unit it was a third of the price that is from other sellers) I would like to use this product but for obvious reasons I am unwilling to try it out can can anyone...
  16. Y

    Phase Rotation

    Does it need to be correct?, Because we recently whent to a job and stuck on one of the consumer units was a sign saying 'Phase Rotation Incorrect'. As I'm still an apprentice I don't know about the test, and No one I asked has ever done one, So Does it not matter that it is wrong? Or is the...
  17. T

    Megger MFT1710, RDCT320 & Kyoritsu Phase Rotation Tester

    Hi all, I'm currently selling off some of my test equipment as I am changing careers :clap:and will know longer require these testers. The MFT1710 was last calibrated by megger on the 9/3/12 and used once and new since then, The Megger RCDT320 calibration date states it was tested in 09! but...
    • tjam
    • Thread
    • albums delivered electricians' talk megger phase photobucket rotation tester
    • Replies: 7
    • Forum: For Sale and Wanted Forum
  18. G

    New Phase Rotation Meter.

    Need a new one, anyone have a fave??? Liking the megger one at test-meter..... Megger PSI410 Phase Sequence Indicator - Phase Rotation Meter
  19. K

    Voltage Optimisers.

    Has anyone come across a phase sequence fault when switching on a voltage optimiser for the first time. The system is a cheap chinese one I think with terrible instructions. Can a voltage optimiser know if your input wiring is black, grey, brown instead of Br, Bl, Gr? I ask because we don't...
    • kitlearie
    • Thread
    • electricians' talk motors optimisers phase rotation sequence voltage volts
    • Replies: 24
    • Forum: UK Electrical Forum
  20. M

    3 phase motors

    Why do theese motors require a start up circuit? What is the function of the phase monitor?
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