Abstract
The paper evaluates new power quality (PQ) indices proposed for economic loss calculation due to poor PQ, for a rural power distribution company. For calculation of economic loss, data is needed from supply side and consumer side as well. In general, accurate data is not available at both sides. And for economic loss calculation due to poor PQ, it becomes necessary to do assumptions of some data. Sometimes the assume data is not related to actual condition. Hence, new PQ indices proposed in the literature, which is based on popularly known Computer Business Equipment Manufacturing Association (CBEMA) power acceptability curve, has been evaluated for economic loss calculation from minimal set of available real time data. To maintain the accuracy of the evaluation, the assumptions are minimized. From the calculation of total economic loss due to voltage sag, it is possible to invest in devices like STATCOM, SVC, etc., which can prevent the occurrence of voltage sag in future.
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