Power Factor Correction

Power factor and Reactive power

• Definition of Power Factor
• Definition of reactive power
• The nature of reactive power
• Reactive power of capacitors
• Equipment and appliances requiring reactive energy
• Practical values of power factor

How to improve the power factor?

• Theoretical principles to improve power factor
• Equipment to improve power factor
• The choice between a fixed or automatically-regulated bank of capacitors

Compensation at the terminals of a transformer

• Compensation to increase the available active power output
• Compensation of reactive energy absorbed by the transformer

The effects of harmonics

• Problems arising from power-system harmonics
• Risk of resonance due to power-system harmonics
• Possible solutions for power-system harmonics