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Discuss 230v single phase motor in the Commercial Electrical Advice area at ElectriciansForums.net

W

wannabesparky

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:confused: single phase 230v motor to a lathe, red & blue together and black & yellow are together, which is live
 
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R

Ross Trician

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  • #2
I dont think it matters which way you put the live and neutral,,,the windings are only a circuit to cause a magnetic field.
 
S

Spudmiester

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  • #3
has this thing got a capacitor ? it wont run unless it has
 
W

wayne

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  • #4
spud,- you're asuming a capacitor start-run motor ,there are other ,less used ways of doing it (but your'e probably right :))
sorry for being thick when you say red/blue together ........do you mean the motor or the supply cable ?
 
S

Spudmiester

  • Thread Starter Thread Starter
  • #5
spud,- you're asuming a capacitor start-run motor ,there are other ,less used ways of doing it (but your'e probably right :))
sorry for being thick when you say red/blue together ........do you mean the motor or the supply cable ?
You are right Wayne, realised what i had said after posting !:rolleyes:
 
R

rumrunner

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  • #6
hi
Red and blue together would be correct if it has a capacitor ,but it will still work connected the other way ,if it goes the wrong way reverse the field connection:)
atvbitwww
 
S

Shakey

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  • #9
hi
Red and blue together would be correct if it has a capacitor ,but it will still work connected the other way ,if it goes the wrong way reverse the field connection:)
atvbitwww
rum old chum

where you been fella?:p

missed you!
 
M

Moog

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  • #10
I take it he is saying single phase motor on three phase supply. Dont single phase motors usually have the start and run winding internal to the motor and you simply take a phase and neutral from star as live and neutral? so red or yellow or blue for phase and black for neutral?
 
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