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Electrical Applications 2 by David W. Tyler

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Tariffs and po wer factor correction 29
easy. It might be that oil is more expensive than coal on a particular
day but that when burnt it provides more heat, so that the overall
cost of energy derived from it could be less. Should the Generating
Board decide to reduce prices charged to the Area Boards because of
a general fall in fuel costs, the Area Boards may pass this on to their
customers as a percentage reduction, e.g. 5 p/kWh - 4% fuel cost
reduction.
Very large consumers may be supplied at 132 kV or 33 kV. A
supply at these voltages does not involve the use of the rest of the