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oe1(光电查) - 科学论文

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出版时间
  • 2018
研究主题
  • high voltage gain
  • switched-inductor (S-L) cell.
  • micro-inverter
  • DC-DC step-up converter
应用领域
  • Electrical Engineering and Automation
机构单位
  • Indian Institute of Technology Delhi
  • National Institute of Technology Tiruchirappalli
12 条数据
?? 中文（中国） ▾

  • Non‐isolated high step‐up DC‐DC conversion circuits for photovoltaic system

    摘要： A series of novel high boost DC‐DC conversion circuits was designed and compared in their performances (input and output common ground, input current pulsation, voltage gain, etc). One of the designed conversion circuits is called the high step‐up inductor‐capacitor (HS‐LC) conversion circuit, which has been analyzed as an example. The HS‐LC conversion circuit is composed of one switch, two inductors, two capacitors, and six diodes. The relationship between the input and the output voltage of the HS‐LC conversion circuit in continuous‐conduction mode (CCM) is derived, and the parameter design criteria for the inductors and capacitors are listed. Theoretical comparison analysis of HS‐LC conversion circuit shows that it has the advantages of higher conversion gain, lower switching stress, and lower inductor current ripple. Finally, a practical circuit was built to verify the theoretical analysis.

    关键词： conversion gain,HS-LC,DC-DC,step-up,theoretical analysis

    更新于2025-09-11 14:15:04

  • [IEEE 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018) - Paris, France (2018.7.8-2018.7.13)] 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018) - A New Method to Extend the Current Ranges from 10mA to 100 A at Frequencies up to 100 kHz

    摘要： A new method to extend the current ranges from 10 mA to 100 A at frequencies from 50 Hz to 100 kHz has been described. This method is based on the use of a binary inductive current divider and a set of current transformers to cover the current ranges from 10 mA to 100 A. A 1-? shunt of coaxial design has been developed as the time constant standard with known ac-dc difference. The current level dependence of current transformers with ratios of 10:1 and 100:1 and shunts has also been evaluated.

    关键词： Binary inductive current divider,step-up procedure,current shunt,current transformer,level dependence

    更新于2025-09-10 09:29:36