Page 373 - Basic Electrical Engineering
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Impedance,
Total impedance, Z = Z + Z BC
A
Total current,
Example 3.28 Determine the total current drawn from the supply by the
series–parallel circuit shown in Fig. 3.60. Also calculate the power factor of
the circuit.
Figure 3.60
ω = 2πf = 2 × 3.14 × 50 = 314
Z = 10 + j314 × 0.063 = 10 + j20 = 22.36 ∠ 64°
1
Z = 8 − jX c
2
Z = 8 − j8 = 11.3 ∠ − 45°
2
Z = 6 + j 314 × 0.0319 = 6 + j10 = 11.66 ∠59°
3
Equivalent impedance,
