Page 344 - Basic Electrical Engineering
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= 10.66 ∠62° Ω
Current,
Magnitude of I = 21.57 A
Current I is lagging the voltage, V by 62°. Power factor = cosϕ
Here, p.f. = cos 62° = 0.47 lagging. The phasor diagram along with its
circuit has been shown in Fig. 3.41.
Power consumed = VI cosϕ
= 230 × 21.57 × 0.47
= 2331.7 W
Figure 3.41
Example 3.13 For the R–L–C series circuit shown in Fig. 3.42 (a),
calculate current, power factor, and power consumed.
Figure 3.42 (a)
Solution:
