Kvar Energy Saving Devices

What is Power Factor?

Power factor: of an AC (alternating current) electrical power system is defined as the amount of real power flowing to the load or apparent power; usually expressed in a percentage value. An example of this would be shown as 0.75 or 75%. The utilities companies rate this as 1.0 being perfect power factor.

Real power: Is the capacity of the circuit that is being used to perform the work. This would be defined in your panel as breaker size.

Apparent power: Is defined as the product of the current and voltage of the load. Which would equal to watts and amperage. Due to the energy stored in the load and returned to the source, or due to a non-linear load that distorts the wave shape of the current drawn from the source, the apparent power can be greater than the real power.

In an electric power system a load with a low power factor draws more current or amps, than a load with a high power factor for the same amount of useful power transferred.

The higher currents increase the energy lost in distribution or load centers, and require larger wires and other equipment. Because of the cost of larger equipment and loss of energy electrical utilities will usually charge a penalty, or a higher cost to industrial and commercial customers where there is a low power factor present.

Linear loads with a low power factor (such as induction motors) can be corrected or improved with capacitors or inductors such as the KVAR units. Although it has been said that utilities companies do not charge residential users for a low power factor, residential applications can still generate a savings from 6% to 15% on their electric bills.

Kvar power factor correction devices are designed to increase power factor percentages, and improve your existing electrical system. By increasing your electrical efficiency you are lowering your watts usage and ultimately lowering your power bill.

More articles on Power Factor Correction:

AllAboutCircuits.com | Wikipedia.org | Fairchildsemi.com | Kvar Blog


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G & B Enterprise
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