A factory is supplied by a single-phase network of 220 V - 50 Hz. It contains in parallel: - 2 motors, each of active power 3000 W and of reactive power 2775 VAR. 14 incandescent lamps each of 100W. 2 air conditioners, each of useful power 2400W, efficiency 0.8 and of power factor 0.8. - One compressor of absorbed power 2440W and of power factor 0.8. • - At full load, calculate: 1) The total active power absorbed by the factory. 2) The total reactive power. 3) The total apparent power. 4) The power factor of the factory. 5) The current absorbed by the factory.
A factory is supplied by a single-phase network of 220 V - 50 Hz. It contains in parallel: - 2 motors, each of active power 3000 W and of reactive power 2775 VAR. 14 incandescent lamps each of 100W. 2 air conditioners, each of useful power 2400W, efficiency 0.8 and of power factor 0.8. - One compressor of absorbed power 2440W and of power factor 0.8. • - At full load, calculate: 1) The total active power absorbed by the factory. 2) The total reactive power. 3) The total apparent power. 4) The power factor of the factory. 5) The current absorbed by the factory.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:A factory is supplied by a single-phase network of 220 V - 50 Hz. It contains in parallel:
- 2 motors, each of active power 3000 W and of reactive power 2775 VAR.
14 incandescent lamps each of 100W.
-
2 air conditioners, each of useful power 2400W, efficiency 0.8 and of power factor 0.8.
One compressor of absorbed power 2440W and of power factor 0.8.
• At full load, calculate:
1) The total active power absorbed by the factory.
2) The total reactive power.
3) The total apparent power.
4) The power factor of the factory.
5) The current absorbed by the factory.
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