Design and Implementation of a Two-Stage Grid-Connected High Efficiency Power Load Emulator

被引:41
作者
Kanaan, Hadi Y. [1 ]
Caron, Maxime [2 ]
Al-Haddad, Kamal [2 ]
机构
[1] St Joseph Univ, Fac Engn ESIB, Beirut 11072050, Lebanon
[2] Ecole Technol Super, Dept Genie Elect, Montreal, PQ H3C 1K3, Canada
关键词
Active rectifier; average model; dc-to-ac converter; dc-to-dc converter; dual active bridge ( DAB); harmonic compensation; load emulator; power factor correction; renewable energy; soft switching; DC-DC CONVERTER; MODULATION STRATEGY; BRIDGE;
D O I
10.1109/TPEL.2013.2295023
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The need to reduce the time consumption in developing and implementing power converters, and to improve the effectiveness of the test equipment, continues to grow. This trend is further accelerated through the development of electricity-based technology, such as the electric or hybrid vehicle. As the price of energy continues to increase, regenerative test equipment used for validating power converters are gaining importance and attention. This paper focuses on the development of a two-stage regenerative power load emulator. This type of intelligent load requires a connection to the network interface, which, for some applications, should be bidirectional and must possess a galvanic isolation. The development of such grid-connected unit that processes ac-dc conversion is treated in this paper. A 5 kW prototype is used as a base to model, simulate, design, implement, and test such a system. The stability of the interconnection between the two conversion stages is established and tested in real-time applications. The prototype was tested at 180, 220, and 260 V RMS. The measured efficiency is higher than 90%, and the power factor is 0.99 over a wide range of operation.
引用
收藏
页码:3997 / 4006
页数:10
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