期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 62, 期 7, 页码 4525-4536出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2015.2399273
关键词
Dual active bridge (DAB) converter; isolated power converter; LLC resonant converter; test bed; 380-V direct current (dc) distribution system
资金
- Ministry of Science, ICT and Future Planning (MISP)/Korea Research Council for Industrial Science and Technology (ISTK) through the Korea Electrotechnology Research Institute Primary Research Program [14-12-N0101-36]
- Korea Evaluation Institute of Industrial Technology (KEIT) [15-12-N0101-04] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Council of Science & Technology (NST), Republic of Korea [14-12-N0101-36] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper proposes an effective test bed for a 380-V dc distribution system using isolated power converters. The proposed test-bed system is composed of a grid-interactive ac-dc converter for regulating the dc-bus voltage, a bidirectional converter for the battery power interface, a renewable energy simulator, dc home appliances modified from conventional ac components, a dc distribution panel board, and its monitoring system. This paper discusses three isolated power converters, i.e., a bidirectional ac-dc converter, a bidirectional dc-dc converter, and a unidirectional dc-dc converter for the effective power interface of a dc bus. These isolated power converters are designed using a dual-active-bridge converter and the resonant topologies of CLLC and LLC. The proposed test-bed system was implemented using a 5-kW bidirectional ac-dc prototype converter, a 3-kW bidirectional dc-dc prototype converter, and a 3-kW unidirectional dc-dc prototype converter. Finally, the performance of the test-bed system has been verified using practical experiments of load variations and bidirectional power flow, employing the prototype converters.
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