Supply voltage is 208 3 cartridge heaters one in series, one in parallel, one in Delta single phase

Discussion in 'General Electronics Chat' started by Newbie56, Feb 3, 2016.

  1. Newbie56

    Thread Starter New Member

    Feb 3, 2016
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    Each heater is 120v 400w, 3 different circuits. Can anyone tell me the power output of each circuit?
     
  2. Newbie56

    Thread Starter New Member

    Feb 3, 2016
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    Also the formula used 36 Ohm's 3.3 amps
     
  3. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
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    745
    Give us a Drawing of what you're doing.

    One in parallel would be 400w, one in series would be 200w,across a 120v single phase supply, delta is for 3 phase.
     
    Last edited: Feb 4, 2016
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  4. Newbie56

    Thread Starter New Member

    Feb 3, 2016
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    I am going to draw a picture, how did you come up with that? Did you use Rt= R1+R2+R3? For the one in series and Rt=1/1/R1 + 1/1R2+ 1/1/R3 for in parallel?
     
  5. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
    5,003
    745
    Draw it out and we can see what you're doing.
     
  6. Newbie56

    Thread Starter New Member

    Feb 3, 2016
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    I figured it out the one in series output is actually 400w r1+r2+r3 =108ohm's 208 squared divided by 108 is the power output.
     
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