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AC Theory ch 29

Power Factor Correction

QuestionAnswer
1. Power factor is defined as the ___ of theta, and it can be calculated by dividing the __ in the power triangle by the ___. Cos, kW, kVA
2. Poor power factor in a plant is normally caused by inductive loads. True or False True
3. Power factor is normally corrected by adding a(n) _____ in parallel with the load. capacitor
4. List some factors that contribute to the economic feasibility of making power factor corrections. Pay less for power, reduced efficiency and life of motors
9. If the only criteria for power factor correction was to reduce the utility bill, where would you put the capacitors in order to achieve the greatest economy? put the capacitors at service
10. The greatest economies are realized when the capacitors are placed at the ____ load
See work book for actual problems 5 - 13 See work book
Created by: JoshHampton
 

 



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