single phase

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  1. C

    3-Speed Single Phase Motor Wiring

    Hi, all. I need your expert help in creating the internal wiring diagram of the motor with the following information we retrieved. I have attached a diagram showing: A. Motor external wiring diagram B. Wiring Resistances C. My diagram for main winding only I am missing how to include the...
  2. D

    3 X single phase showers

    I've been asked to price 3 X 7kw showers. There is a three phase board about 40 meters away. Can anyone see an issue with 40 amp three phase MCB with 10mm four core swa to a sub board then 3 X 32 amp rcbos for each individual shower. Cheers
  3. T

    Conversion of 3 ph. to single phase lesson

    Thought you might like to know how to convert 3 phase to single phase in case you need to in the future. Please follow illustrations below. I can accept no liability for following these instructions.
    • The Ghost
    • Thread
    • conversion phase single single phase
    • Replies: 11
    • Forum: UK Electrical Forum
  4. D

    Installing a 230v Single Phase Air Compressor in my home garage

    Hi gents Just joined and this is my first post. I’ve decided to upgrade my home garage compressed air setup since my current 3hp 50ltr 8cfm struggles to run the air tools I’m using to restore my old project car. All was going ok until I invested in a 20 gallon sandblaster with the result...
  5. D

    Amtech/trimble single phase three phase headache?

    Amtech will not let me record a single phase D.B from a 3 phase D.B for a sub-mains. It keeps saying in a warning message that the installation is 3 phase and it cannot be recorded as single phase even though it will let me record single phase D.B's individually on the board schedules...
  6. Dave Edwards

    Increasing PV panels on a single phase grid connection

    Someone is connected to the grid with single phase supply and they have a 4kW PV array directly connected. They want to increase their PV generation, and add another 4kW. I keep reading that if you generate more than 4kW you need a "3 phase inverter to split the load". But I can't find out...
  7. S

    Help - connecting up single phase motor

    I have been asked to connect up a single phase motor in an extractor fan but not sure of connections and don't have data sheet The fan is a Nicota DDM 9/7 A six core cable comes out Brown and white joined to one connector Brown - capacitor linked to this Black - capacitor linked to this Brown...
  8. Lucien Nunes

    Which CU? Quick answer needed!

    I don't often install single-phase CUs, but I need a couple of metalclad 10-way units for a light commercial situation, which will be populated with all RCBOs. They simply need to be reasonable quality, with not-too-expensive RCBOs, as roomy as possible. If they can be got from Screwfix, so...
  9. A

    help with a Ziehl Abegg 560 mm, single phase fan speed controller

    Hi guys I'v got a question to do with a fan speed controller. it is Ziehl Abegg 560 mm, single phase. use electronic speed controller 6 amps..just replace a new same fan motor, when lower speed, controller temperture go up 30mins fuse(10amps)blow. when high speed , controller normal.. any...
  10. L

    Single Phase Load Estimate to Three Phase Power Supply

    Hi Everyone I would be glad if you could clarify this for me: For a Load Estimate Survey whereby 95% is single phase, the Load Estimate is 90 KVA (Single Phase). However, the power supply is three phase 4 wire system. To calculate the current per phase, the 90 kVA is divided by three i.e. 30...
    • Locus
    • Thread
    • estimate load phase power power supply single single phase supply three three phase
    • Replies: 4
    • Forum: Talk Electrician Forum
  11. G

    Single Phase Charger on Three Phase Supply

    Hi all, been a bit of a lurker of the forums here for a while and so far they have saved me more times than I can say, but now I have a question that I am hoping you can help me with. I have a single phase forklift charger and it currently has a 2p+e plug and connects to the corresponding...
  12. J

    Help on wiring needed for Single phase 2.2kw motor

    I bought a pelletizer machine from China and the terminal box is without any wiring diagram. Can anyone help ?
  13. S

    3 phase to single phase

    what sort of connection do i need to go from a 32a 3 phase down to a 13a single phase?
  14. B

    50A, Single Phase

    We need to hook up a 110v, single phase, 50A fryer to a 100A, 110v/220v, single phase panel. A few flourescents will be on during the fryer's operation, but not much else. Will this cause any sort of unbalanced load? (110v, single phase, 50A - it's all we could get at the moment)
  15. D

    Method to install 19.6KW oven in single phase property

    As the title says, a customer has bought a 19.6 Kw 3 oven/6 induction hob burner that they have kindly asked me to install for them into their 3 bedroom semi! I'm a bit stuck as to go about this as the amps it pulls is over 80, I know there will be some diversity etc but has anyone any...
  16. gazdkw82

    Single phase load 3 phase supply

    been helping out at a local industrial unit today and something got me thinking. There was an old 3 phase isolation switch that was still live from 3 phase DB2 however there was no load from the switch. The owner wants some power sockets and lighting on the upstairs mezzanine area so the 3...
  17. V

    Single phase joinery planer / thicknesser runs slowly after new motor

    Hi all Got a customer who has a lightly used new in 2013 joinery thicknesser / plainer. The single phase motor burned out for no obvious reason a few weeks ago...and has been replaced with a new item of the same type by a reputable motor company. The new motor runs at slow speed only... I've...
  18. D

    single phase into 3phase trip switches/contactors etc

    Can I wire single phase into 220-240V 3phase trip switches/contactors etc. What I am trying to do is protect a 220v-230v encoder but want the earth wires to look neat. professional looking. Please see picture below
  19. C

    3 Phase Wire Colours on L1 L2 L3 Single Phases

    Hi all, I am looking at a system that is supplied with a 3 phase supply and into a cabinet. Then external to the cabinet L1 and Neutral feed unit one, L2 and Neutral feed unit two, L3 and Neutral feed unit three. Units one, two and three are at a distance of 50 meters from the cabinet. What...
    • Chris_1969
    • Thread
    • 3 phase colours phase phases regulations single single phase wire
    • Replies: 13
    • Forum: Talk Electrician Forum
  20. M

    Upgrade to three phase supply

    Hi all, Newbie here with no electrical experience so please be gentle! :blush: I am currently refurbishing my basement flat and during this we have discovered that the supply to the four flats is single phase. I have been told this is unsafe and insufficient for the four flats. U.K. Power...
    • MichaelS
    • Thread
    • flats phase single phase supply three three phase upgrade
    • Replies: 5
    • Forum: UK Electrical Forum
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