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Advisor(s)
Abstract(s)
The continued growth of the world energy consumption requires the implementation
of new and effective energy strategies, targeted to enhance the transition toward
low-carbon technologies, where energy efficiency and renewable energies play a major
role. In order to cope within this scenario, an intelligent integration in electrical energy
infrastructure, called Smart Grids, allows the implementation of the Conservation Voltage
Regulation (CVR) technique, which is based on the premise that reduction of the
supplier voltage will lead to reduced energy consumption by final consumers without
harming their appliances.
This work aims to evaluate the power consumption reduction due to CVR implementation
and its economic viability at residential level. Several experimental tests were
carried out on residential appliances, including lighting systems, liquid-crystal-display
televisions, washing machines, air-conditioning devices, fridges and laptop computers.
To quantify the energy savings achieved by the CVR implementation for each of
the mentioned equipment, it was used the CVR factor, fCVR, which measures the ratio
between energy savings and voltage reduction. This quantitative indicator has typical
values between 0,4 and 1,0, and may take values higher than 1,0 in the case of resistive
loads, upon how long they are in operation.
The obtained results validate the implementation of CVR technique at residential
level, indicating a considerable energy and money savings for final consumers.
Description
Keywords
Electrical engineering Electronics and photonics Electrical engineering
Citation
Silva, Rafael; Freitas, Tiago; Ferreira, Ângela P.; Leite, Vicente (2014). Conservation voltage regulation at residential level. In I Encontro de Jovens Investigadores do Instituto Politécnico de Bragança. Bragança. ISBN 978-972-745-163-0
Publisher
Instituto Politécnico de Bragança - 2014