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I see a cable and I want to paint it black... by vetitice2006-07-26 08:35:52
  Don't forget AC by bitflipper2006-07-26 08:38:09
    And red is hot... and so is blue. by kahuana2006-07-26 08:44:00
      Trade you by bitflipper2006-07-26 09:00:30
        Delta??? by Myke2006-07-26 09:34:42
          Probably a joke, but just in case by bitflipper 2006-07-26 10:11:40
In Wye configuration, all 3 phases are against ground, so in 120V 3-pase Wye, there is 120V to ground on each leg. Picture it as: 
     A
     |
    Gnd
   /   \
  C     B


In Delta configuration, the three phases are against each other, and there typically is not a ground. So in 120V 3-phase Delta, there's 120V between phase A and phase B, between phase B and phase C, and between phase A and phase C. If measured to ground, the voltage per phase is significantly less. Picture it as: 
      A
     / \
    /   \
   C-----B


Clear as mud?
[ Reply ]
            Eh? by Myke2006-07-26 10:36:25
              Delta is not constrained to any particular voltage by bitflipper2006-07-26 11:00:15
                I get that. by Myke2006-07-26 11:15:22

 

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