A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications

被引:28
作者
Ahmad, Javed [1 ]
Zaid, Mohammad [2 ]
Sarwar, Adil [2 ]
Lin, Chang-Hua [1 ]
Asim, Mohammed [3 ]
Yadav, Raj Kumar [4 ]
Tariq, Mohd [2 ]
Satpathi, Kuntal [5 ]
Alamri, Basem [6 ]
机构
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10607, Taiwan
[2] Aligarh Muslim Univ, Dept Elect Engn, ZHCET, Aligarh 202002, Uttar Pradesh, India
[3] Integral Univ, Dept Elect Engn, Lucknow 226021, Uttar Pradesh, India
[4] Coll Engn, Elect Instrumentat Control Engn Dept, Ajmer 305001, India
[5] Energy Exemplar Singapore Pte Ltd, 9 Battery Rd, Singapore 049910, Singapore
[6] Taif Univ, Dept Elect Engn, Coll Engn, At Taif 21944, Saudi Arabia
关键词
voltage stress; distributed generation (DG); high gain; quadratic boost; BOOST CONVERTER; VOLTAGE GAIN; IMPLEMENTATION;
D O I
10.3390/en14092629
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The growth of renewable energy in the last two decades has led to the development of new power electronic converters. The DC microgrid can operate in standalone mode, or it can be grid-connected. A DC microgrid consists of various distributed generation (DG) units like solar PV arrays, fuel cells, ultracapacitors, and microturbines. The DC-DC converter plays an important role in boosting the output voltage in DC microgrids. DC-DC converters are needed to boost the output voltage so that a common voltage from different sources is available at the DC link. A conventional boost converter (CBC) suffers from the problem of limited voltage gain, and the stress across the switch is usually equal to the output voltage. The output from DG sources is low and requires high-gain boost converters to enhance the output voltage. In this paper, a new high-gain DC-DC converter with quadratic voltage gain and reduced voltage stress across switching devices was proposed. The proposed converter was an improvement over the CBC and quadratic boost converter (QBC). The converter utilized only two switched inductors, two capacitors, and two switches to achieve the gain. The converter was compared with other recently developed topologies in terms of stress, the number of passive components, and voltage stress across switching devices. The loss analysis also was done using the Piecewise Linear Electrical Circuit Simulation (PLCES). The experimental and theoretical analyses closely agreed with each other.
引用
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页数:14
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