Conservation Voltage Reduction Technology Yields Sustainable Electrifications: An Exploratory Study on Implementation Capability

Abstract

Conservation voltage reduction (CVR) as a readily available technology can easily tackle line congestion besides meeting the energy conservation by a marginal reduction in the voltages of user-end nodes. Although CVR can help to yield clean and sustainable electrifications, application of this technology is limited owing to some unclear technical aspects such as response to industrial loads, load modeling type, and load estimation error. This paper aims at presenting a comprehensive analysis of the CVR process to shed light on the various aspects of this technology for operators who seek to implement it. To this end, CVR process is explored based on load composition on a typical feeder with three zones. Different sizes for active and reactive powers in consumers of those zones are taken into consideration. By doing so, not only CVR process with different load arrangements is explored but also effect of the dominant loads on feeders is unveiled. This study also deals with identifying which load modeling type show better robustness to modeling errors. Moreover, CVR process in the pointed cases are performed with a considerable error on the parameters of load models. The obtained results show that in spite of expectations, CVR may have different outputs.