Find the value of circuit elements and reactive voltampere drawn for a balanced 3 phase load connected in delta and draws a power 12k W at 440V. The power factor is 0.7 leading.

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written 3.9 years ago by

teamques10 ★ 69k

analog electronics

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1views

written 3.9 years ago by

teamques10 ★ 69k

Given

Delta Connection

P = 12000W

VL=440V

P.f = 0.7(lead)

Find:

R = ?

X = ?

Q = ?

Formulae

$V_L = V_{ph} I_L= \sqrt{3} I_{ph} \\[2ex] P= \sqrt{3} V_L \ I_L \ cos\phi \\[2ex] p.f = cos \phi$

Solution

$P = \sqrt{3} V_L I _L \ Cos …

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