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Key Technologies and Development Prospect of New Generation Low-voltage DC Power Supply and Utilization System
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1. School of Electrical Engineering, Shandong University, Jinan 250061, China; 2. Gree Electric Appliances Inc. of Zhuhai, Zhuhai 519000, China

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    Abstract:

    Aiming at the current situation of energy revolution of the society and the development trend of power system, the characteristics, typical application scenarios, key technologies and development trend of new generation low-voltage direct-current(LVDC)power supply and utilization system are explored. Firstly, the characteristics of energy revolution and the development trend of power system in modern society are analyzed, the development demands of new generation LVDC power supply and utilization system containing power generation, energy storage and consumers are pointed out. The main characteristics and typical application scenarios of new generation LVDC power supply and utilization system are analyzed. Voltage levels, international standards and status of demonstration projects domestic and abroad of LVDC power supply and utilization system are introduced. The key technologies of future LVDC power supply and utilization system are arranged, and the development trend of LVDC power supply and utilization system is expected. Finally, the summary and suggestion of specific research proposals in the field of new generation LVDC power supply and utilization technology are given.

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MA Zhao, ZHAO Zhigang, SUN Yuanyuan,et al.Key Technologies and Development Prospect of New Generation Low-voltage DC Power Supply and Utilization System[J].Automation of Electric Power Systems,2019,43(23):12-22.DOI:10.7500/AEPS20190905007

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History
  • Received:September 05,2019
  • Revised:November 02,2019
  • Adopted:October 09,2019
  • Online: November 01,2019
  • Published: