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A Series Voltage Regulator based on Quasi-Sinusoidal Waveform to Achieve Smart-Grid Requirements

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3 Author(s)
Pires, I.A. ; Univ. Fed. de Minas Gerais, Belo Horizonte, Brazil ; de Jesus Cardoso Filho, B. ; de Oliveira, J.C.

Smart-Grid has emerged as an important requirement to achieve high quality voltage supplied to customers. Within the context of general power quality indicators, a common problem found in distribution systems is the unbalanced voltage. Usually, to solve this type of disturbance, a step voltage regulator can be used to obtain voltage amplitude compensation. However, for many applications, this device does not fulfill the required smart-grid needs. This can be attributed to the slow time response and the inefficacy in compensating unbalanced voltages with phase jumps. Focusing on this subject, this paper proposes a rapid response electronic voltage regulator based on a multilevel series voltage compensator topology. Using a quasi-sinusoidal waveform, the proposed device balances the supply voltages while keeping the compensated voltages within the harmonic distortion limits.

Published in:

Industry Applications Society Annual Meeting (IAS), 2010 IEEE

Date of Conference:

3-7 Oct. 2010