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Dual-input and Triple-output Boost Hybrid Converter Suitable for Grid-connected Renewable Energy Sources
IET Power Electronics ( IF 1.7 ) Pub Date : 2020-03-18 , DOI: 10.1049/iet-pel.2018.6398
Pinjala Mohana Kishore 1 , Ravikumar Bhimasingu 1
Affiliation  

In grid-connected distributed energy system, power converters are used to integrate different renewable sources and loads. If the number of sources/loads increases, the number of converters/conversions are required. Because of more conversions and operations, the conversion efficiency decreases, and it is difficult to control load/source parameters independently. In order to overcome the problems associated with the integration of multiple sources and loads, this study proposes a dual-input and triple-output boost hybrid converter (DTBHC) with independent control. The dual input ports of the proposed converter can be used to connect two different dc voltage sources. Triple output ports of the proposed converter can be used to connect ac grid, ac local loads, and dc local loads. These load voltages are regulated by using carrier-based modified sinusoidal pulse-width modulation (CBMSPWM) technique in order to control the dc and the ac loads independently with respect to sources. The DTBHC with CBMSPWM control is simulated using a MATLAB/Simulink ® validated using FPGA controlled laboratory prototype. The validation of the proposed converter is carried out with variation of load current, different input voltages to generate stable ac output voltages (same as well as different frequencies).

中文翻译:

适用于并网可再生能源的双输入和三输出升压混合转换器

在并网分布式能源系统中,功率转换器用于集成不同的可再生资源和负载。如果源/负载的数量增加,则需要转换器/转换的数量。由于更多的转换和操作,转换效率降低,并且难以独立控制负载/源参数。为了克服与多个源和负载集成相关的问题,本研究提出了一种具有独立控制的双输入和三输出升压混合转换器(DTBHC)。所建议的转换器的双输入端口可用于连接两个不同的直流电压源。拟议的转换器的三路输出端口可用于连接交流电网,交流本地负载和直流本地负载。这些负载电压通过使用基于载波的改进的正弦脉冲宽度调制(CBMSPWM)技术进行调节,以便相对于电源独立地控制dc和ac负载。具有CBMSPWM控制的DTBHC使用MATLAB / Simulink®进行了仿真,并已通过FPGA控制的实验室原型进行了验证。所提出的转换器的验证是通过改变负载电流,不同的输入电压以生成稳定的交流输出电压(相同以及不同的频率)来进行的。
更新日期:2020-03-18
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