Importance of voltage reduction and optimal voltage setting during reactive power compensation

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Authors
Paul, Sushanta
Jewell, Ward T.
Advisors
Issue Date
2014-08
Type
Article
Keywords
Energy conservation , Reactive compensation , Shunt capacitors
Research Projects
Organizational Units
Journal Issue
Citation
Paul, S.; Jewell, W.T., "Importance of Voltage Reduction and Optimal Voltage Setting During Reactive Power Compensation," IEEE Transactions on Power Delivery, vol.29, no.4, pp.1999,2007, Aug. 2014
Abstract

After reactive power compensation, voltage-dependent loads, such as constant impedance and constant current loads, consume more power because of the increase in node voltage; therefore, customers pay more for their electricity while utilities experience savings from line-loss reduction. Here, a voltage-reduction strategy plays an important role in reducing total energy consumption during reactive power compensation. In this paper, we have presented a rationale for the necessity of reducing voltage during reactive power compensation and determined the optimal voltage setting at the substation regulator. We have also analyzed the joint effects of ambient temperature, price, size, and phase kVAr of the capacitor on line loss and load demand using a factorial design.

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Publisher
IEEE
Journal
Book Title
Series
IEEE Transactions on Power Delivery;v.29:no.4
PubMed ID
DOI
ISSN
0885-8977
EISSN