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categoryالهندسة الكهربائية
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
(b) Electrical power is delivered to a Glass-Ceramic Plant, as shown in Figure 3.2 on
page 4. The frequency of the voltage source is 50 Hz. The Glass-Ceramic Plant has
the following loads:
•
•
Inductive loads absorbing 4300 kVAR at a power factor of 0.67 lagging.
Resistive loads absorbing 3100 kVA at a power factor of 0.92 lagging.
Capacitive loads absorbing 130 kW at a power factor of 0.58 leading.
Note: Question No. 3 continues on page 4.
3
ATTENTION: The Singapore Copyright Act apples in the ues of the doument. Nonyming
22/0° kV(rms)
50 Hz
=C
Figure 3.2
Glass-Ceramic
Plant
y nuty
EE2001
(i)
Find the total complex power of the Glass-Ceramic Plant.
(ii) Find the value of the capacitor C in Figure 3.2 that will correct the power
factor seen by the 22 kV voltage source to 0.95 lagging.
42.3G
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