single phase

single phase

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  1. B

    7.5kW single phase soft start

    Customer has a single phase 7.5kW motor running a blower for a grain lift and the 50 years old soft start is no more. Can someone recommend a replacement?
  2. M

    UK Three phase supply into single phase board

    Hi I popped round to quote for ‘ finishing ‘ a solar install started by a company rhyming with Bird of Polar . The house has a three phase supply, but it looks like someone has taken the three live tails into board not designed for three phase (albeit with a three pole switch). They’ve only...
  3. S

    Single Phase Puzzle to challenge you

    Hi I have inherited a compressor with a single phase motor but its been stripped and I need to fathom out what's what.. I don't know if it even works as why did they take it apart and if its broken what's wrong! I have a start and a running capacitor A reset switch Simple push button Two...
  4. G

    single phase compressor motor

    Hi, I am looking for a connection diagram or sugestions for a 2.2Kw single phase motor to drive a compressor. The spec plate shows that it can be run at 220-240 v / 460-480v 50Hz. (unusual for 50Hz) At 220-240 volts FLc is 16A plus startup inrush. so I should like to run it at the higher voltage...
  5. L

    Wiring for single phase supply

    Looking to use this brooks Compton motor as a replacement in an electric cement mixer. can anyone tell me if it is designed to operate off a domestic single phase 240v supply? It looks to me as though it could run off either a single or threes phase supply but I’d be grateful to hear from...
  6. R

    Table Saw 3Ph conversion to Single Phase

    Hello Everyone -- So, I am looking to buy a used 5HP 3PH 208 V 10 inch Table saw --- (Motor Plate Data in Image) I am a DIY'er and in this case I would not attempt to do a 3PH to Single Phase conversion myself -- (I have looked at many videos and read several articles about how to do...
  7. Aegir01

    Hooking up a bandsaw from single phase

    Hello all, I signed up here for a little help. I bought a 3 phase bandsaw and went down the rabbit hole of VFD’s etc. ‘The motor is 3 phase 400v and I have 1 phase 240v (Australia) . So I bought a VFD that has an input of 240v single and an output 400v three. It’s currently in the post. I...
  8. S

    Single phase and 3 phase supply to same equipment

    I have a single phase stainless steel pasteuriser that has two control boxes attached to it. One box houses the control for the electronics and motor for the mixing paddle. The other box houses the supply to the water jacket immersion heater. The immersion heater is 1.5kw single phase and is...
  9. MJS123

    Single Phase Transfer Switch in 3ph Distribution

    When there exists a single-phase transfer switch within a 3-phase distribution system, is it necessary for both feeds to the transfer switch to be connected to the same phase on the two sources? Take for example the image below, note that the transfer switches are connected to the power sources...
  10. A

    Three phase cable to wire single phase

    Can I use three phase cable to wire single phase
  11. T

    AC Single Phase Motor - Expected Amp Draw

    Hi Forum Members I have a 4 pole single phase 240VAC 315 watt motor from a central heating heating system that I think is bad. It's the room fan inside the squirrel cage that sucks / pushes the air past the heat exchanger It seems to run but very slowly. I think it's bad. That said, there is...
  12. K

    Which is the active terminal

    hi can someone tell me which is the active connection on this wiring diagram
  13. K

    Wiring single phase motor

    hi Can anyone tell me where to wire the active and neutral wires to in this single phase electric motor
  14. N

    Soft Starters for Single Phase Submersible Pump

    Hi Everyone, Has anyone ever encountered an undersized start capacitor (from manufacture) for a single phase pump??? I would like to integrate some sort of soft starter for my submersible pump which pumps rain water to a tank. Is this possible??.... Thanks, NKC
  15. newfutile

    3phase DB as single phase

    It's coming out anyway so it's a rhetorical question. What do you you all think of this? Bits of wire used to bridge the bus bars and don't single phase consumer units need a linked switched line and neutral?
  16. M

    Solar Maximum kW anyone has on single phase?

    I (well, the MCS installer) obtained approval under G59 back in 2015 for 11.5 kW of grid connection on a single phase. 12kW of panels into two 6kW inverters. I'm in a fairly remote area. Not aware of any other solar arrays feeding into my local pole mounted transformer. I'd now like to add...
  17. Q

    Possible to run a 3 phase 30hp 230/460 90 amp Dual rotary screw air compressor on 220 single phase?

    I have a small mechanics shop in a rural area with no access to 3 phase. I picked up a air compressor cheap and knowing at a min. I will need a phase converter. I don't think a VFD or a static converter can do it. Is it even possible to run a 3 phase 30hp 230/460 90 amp Dual rotary screw air...
  18. J

    3 Phase to single phase

    Hi, As a DIYer I`ve quite a bit of wiring up domestic house single phase experience but no 3 phase experience. So I have been offered a two post car lift which currently operates of off a 3 phase supply. I have a brand new single phase 3hp motor which I believe will run the lift but I assume I...
  19. C

    20kVA single phase generator grounding question

    How should grounding be made to a 20kVA single phase generator set feeding a domestic property via a manual change over switch? At the generator's alternator neutral is bonded to earth. The generator will be some sixty feet from the mains input box of the property fed by SWA cable. The...
  20. G

    Adapting a 3 phase industrial machine to single phase

    Hello, I am hoping this is in the correct forum. To start, I acquired a film processing machine that runs on 3 phase. Now before getting the machine I fully understood it's power requirements and the cost of getting 3 phase installed at my house. I figured as processors are mostly a few...

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