Abstract
Power quality is a big challenge nowadays. Various disturbances present in the power system are voltage sag, voltage swell, harmonics, transients, interruptions, voltage collapse etc. To solve the problem of power quality, various custom power devices are generally used in a power system, dynamic voltage restorer (DVR) being one of them. DVR is used for the compensation of voltage sag and swell. In this paper, a model of DVR with molten carbonate fuel cell (MCFC) and Y source inverter is proposed. The proposed model is compared with the existing ones to check its performance characteristics. MATLAB/SIMULINK was been used to check and compare the performance of the proposed with existing models.
Highlights
Most conventional inverters commonly used in power systems are voltage source inverters (VSI) and current source inverters (CSI)
Y source inverter has been used in the dynamic voltage restorer (DVR) with molten carbonate fuel cell (MCFC) and its performance has been compared with existing models [10, 11]
The proposed Y-source inverter consists of a DC source, Yimpedance network and pulse width modulation (PWM)
Summary
Most conventional inverters commonly used in power systems are voltage source inverters (VSI) and current source inverters (CSI) These traditional voltage source inverters have two major drawbacks: AC output voltage is less than the DC input voltage, so it is operated only in buck mode, and two switches in the same phase leg cannot turn on simultaneously, since this will create a short-circuit in the system. Authors in [12] applied Z source inverter in DVR along with molten carbonate fuel cell (MCFC). This improved the performance of the system to a great extent.
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