Economical power factor, Electrical eng. (TD) ,tutorial in Bangla. Shorts,

Описание: Economical power factor, Electrical eng. (TD) ,tutorial in Bangla. Shorts,
Most Economical Power Factor.
The value to which the power factor should be improved so as to have maximum net annual saving is called the most economical power factor.

When a consumer improves the power factor, it results in reduction in his maximum kVA demand. Consequently, there will be an annual saving over the maximum demand charges. Although the power factor improvement involves the capital investment on the power factor correction equipment, the consumer will draw expenditure every year in the shape of annual interest and depreciation on the investment made over equipment used for power factor correction. Hence, the net annual saving will be equal to the annual saving in maximum demand charge minus annual expenditure on the power factor correction equipment.
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