Page 369 - Basic Electrical Engineering
P. 369
=1195.6 VARs = 1.1956 kVARs
Apparent Power = VI
= 200 × 9.8
= 1960 VA
= 1.96 kVA
To check,
Example 3.26 Three impedances, Z , Z , Z are connected in parallel
3
1
2
across a 230 V, 50 HZ supply. The values are given Z = 12∠ 30°; Z = 8∠
1
2
− 30°; Z = 10∠ 60°. Calculate the total admittance, equivalent impedance,
3
total current, power factor, and power consumed by the whole circuit.
Solution:
Figure 3.57
Admittance
