single phase | Page 10

single phase

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  1. Baker1988

    Homework 3 phase to single phase

    Hi every one i was just looking for a bit of help i have been given some home work from college that i am not sure on, We have just started learning about 3 phase so not very good at it yet but i have been given home work i have to draw a circuit diagram and a wiring diagram for a balanced 3...
  2. S

    Single phase Reactive power compensation in Grid connected PV plant

    There are many type of control schemes available that could be implemented for controlling the inverter. The main problem I'm facing is in performing clark's or park's transformation of the single phase current and voltage. Any suggestions?
  3. D

    New Single Phase Install from 3 pahse

    Hi All, Right here goes.. I have been asked to attend a Manchester city centre job where I have been asked to wire an upstairs flat which is currently fed from a old rewirable fuse board.. Which is fed with 2.5MM cable which is fed from a three phase board. (Needless to say I won’t be...
  4. D

    3 phase db converted to single phase with 10mm earth

    Hi.Today during my job at a police station, took cover off brand new KQ 3 phase SquareD db (recent db change by different firm) to connect my new ring to one of the ways and found that the 3 phase db had been converted to single phase. 25mm double insulated tails live and neutral, L1, L2 and L3...
  5. K

    single phase motor contactor starter

    How should it be wired we have feed in and load out. Two black and white cables I think are signal wires coming from inside machine
  6. S

    Thee phase supply but only single phase needed.

    Quick question......I have been asked to quote for a full install into a small showroom that has been converted from a garage. The premises has an existing 3 phase supply which I guess was installed for the car lifts and welding gear. The plan is that downstairs is now going to be a showroom...
  7. M

    Wiring diagram for a 3 phase motor on single phase supply

    A customer has an existing application using 2 off, 4 pole contactor/relays of Brook Crompton make, model HR1310 and 3 capacitors of 200, 60 and 20 microfarads. The 3 phase motor is an English Electric, 4 pole with nameplate details - 2 HP, 400/440, star connected, (but the motor may be delta...
  8. B

    3 phase to 3 Single Phase Boards

    Hi, I am looking at an installation in a social club/bar that has just been given a PIR.This has recommended various C2/C3(couple of VIR cables) remedial works but is mainly looking at 4 rcbos to be installed.( it is been hammered with a £25,000 insurance excess until rectified!) Here lies the...
  9. N

    3 phase to single phase motor change

    Hi I am looking to import some machines that compact fuel pellets from sawdust and the manufacturer fits an 18kw 3 phase motor that drives a belt and gearbox. Is it possible to change this to a single phase motor or is this too big for a single phase ? Regards Bob
  10. C

    what is the minimum cable you can use for a100A single phase ccu

    hello sparks, what is the minimum cable you can use for a100A single phase ccu, the meter is out the front of the house and the ccu is 10m inside the house cable must come in under house duct? please solve this argument im having. - - - Updated - - - and should it be armered
  11. S

    6kW single phase inverter

    Any ideas for a single phase 6kW inverter. I have had Power-one Aurora suggested. Any others you can name/ recommend? Thanks for looking. Steve.
  12. D

    Advice needed on single phase motor

    Hello all, if anyone is kind enough to offer some advice on this it will be hugely appreciated. I am a registered spark working mostly on domestics and commercial but i have a family member with an odd fault on a single phase motor running a pillar drill (I don't normally work with motors but...
  13. M

    Does Single Phase Or Three Phase Require a Neutral?

    Also, how does the neutral work on a phase system?
  14. B

    Paramount shutter door motor wiring / terminal block - single phase

    Hello, Would anybody be kind enough to point me in the right direction on how I would energise this roller shutter door motor to go one way or the other so I can start to design a control? Thank you in advance for your help.
  15. R

    Single Phase to 3 Phase

    Hi All Has anyone come accross this yet? a friend of my fiance has opend up a Beauty Studio, she has purchased a 3 phase Sun Bed, i have not come across this yet but im more than willing to learn with your help, the stats of her Sun Bed are: 12.5KW 3 Phase 25Amps per phase (or 80Amps 1phase)...
  16. F

    Cable size - 3 Phase supply - Single phase loads

    Hi All Got a 3 phase 20A per phase supply coming in, feeding 2 gites. The owner needs the 3 phase supply to also feed a new house 66 meters away. The house will only single phase loads and probably be unbalanced most of the time Now the tables I have, show that for a single phase - the wire...
  17. T

    single phase ac induction generator

    hi.. i have a single phase AC induction generator rated at 1500 rpm (star-delta excitation) coupled to a turbine. but unfortunately turbine is running at 1300 rpm. Will induction generator give any output (low voltage, current) or NO ??? pls reply thanks tarang
  18. K

    3ph motor to single phase thermal relay selection

    Hi! I have a 3ph agitation motor Δ/Υ 0,42/0,24Α. I want to wire it as single phase using a permanent capacitor. Is there any way to calculate the nominal current for single phase to set the thermal overload relay correctly?
  19. D

    120V 3 Phase supply on 120V single phase designed system - Earth Fault

    Hi Guys, We have a system installed in a marine enviroment. The system has 2 power supplies coming in to it. One is 3 phase 440VAC 60Hz and is used only to power a pump motor. The other is a 120VAC 60Hz supply for the control circuit etc. The panel consists of a PLC, 24VDC power supply...

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