Power Factor Correction
From Electrical Installation Guide
Power factor and Reactive power
Equipment and appliances requiring reactive energy
Practical values of power factor
Why to improve the 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
Where to install power factor correction capacitors?
How to determine the optimum level of compensation?
Compensation at the terminals of a transformer
Compensation to increase the available active power output
Compensation of reactive energy absorbed by the transformer
Power factor correction of induction motors
Example of an installation before and after power-factor correction
The effects of harmonics
Problems arising from power-system harmonics
Risk of resonance due to power-system harmonics
Possible solutions for power-system harmonics
Implementation of capacitor banks
External links
ru:Координация защит в цепи управления двигателем zh:无功电能和功率因数
