Power Converters for DC Microgrids Modelling and Simulation

Chandani Bali, P. Choudekar, D. Asija, R. Ruchira
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Abstract

The present work demonstrates the performance validation and adequacy of a simple DC-DC Cuk power electronic converter and an impedance (Z) source DC-DC Cuk converter for currently DC microgrid applications. The majority of renewable source of energy are operate at low voltage. Such as Biomass energy, geothermal energy etc. Therefore, it is vital to enhance the low voltage which we acquire from the renewable source of energy within the voltage important for the load or DC bus in a DC microgrid. During this condition a 10kW power electronic converters are designed to interface solar photovoltaic source to the DC bus of a DC microgrid. Simulation model of the system via a simple power electronic Cuk converter and an impedance (Z) source Cuk converter is designed. Simulation outcome of both the converter model show the performance validation of the power electronic converter and the controller and confirms the appropriateness of power electronic converter intended for the DC microgrid.
直流微电网电源变换器建模与仿真
目前的工作证明了简单的DC-DC Cuk电力电子转换器和阻抗(Z)源DC-DC Cuk转换器的性能验证和充分性,适用于当前的直流微电网应用。大多数可再生能源都是在低电压下运行的。如生物质能、地热能等。因此,在直流微电网中,在对负载或直流母线重要的电压范围内,提高从可再生能源获得的低电压是至关重要的。在这种情况下,设计了一个10kW电力电子变换器,将太阳能光伏源连接到直流微电网的直流母线。设计了基于简单功率电子Cuk变换器和阻抗(Z)源Cuk变换器的系统仿真模型。变换器模型的仿真结果验证了电力电子变换器和控制器的性能,证实了电力电子变换器用于直流微电网的适用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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