A Bidirectional Current Sensor based on CT with Diode Rectifier and MOSFET for Bidirectional Current-fed DC-DC Converter

被引：5
|
作者：
Iyasu, Seiji [1 ]
Hayashi, Yuji [1 ]
Handa, Yuichi [2 ]
Nakamura, Kimikazu [2 ]
Wada, Keiji [3 ]
机构：
[1] SOKEN INC, Res DIV 3, 500-20 Komenokicho, Nisshin, Aichi 4700076, Japan
[2] DENSO Corp, Electrificat Components ENG DIV 2, 1-1 Showa Cho, Kariya, Aichi 4488661, Japan
[3] Tokyo Metropolitan Univ, Dept Syst Design, 1-1 Minamiosawa, Hachioji, Tokyo 1920364, Japan
来源：
IEEJ JOURNAL OF INDUSTRY APPLICATIONS | 2019年 / 8卷 / 03期
关键词：
bidirectional DC-DC converter; bidirectional current sensor; current transformer; PERFORMANCE;
D O I：
10.1541/ieejjia.8.437
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：
Electric vehicles are equipped with an isolated DC-DC converter for controlling the bidirectional DC power flow. In this case, a current sensor was installed inside the circuit. This paper proposes a current sensor using current transformers for bidirectional DC-DC converters. The current sensor comprises a current transformer (CT), diode rectifier, and MOSFET. The current sensor can detect a pulse current containing a DC component without any magnetic saturation. This paper shows a circuit configuration of the bidirectional current sensor, and the principle of the bidirectional current detection of the sensor is analyzed. The validity of this analysis is verified through an experiment with the DC-DC converter rated at 150 V and 1.4 kW.
引用
收藏
页码：437 / 443
页数：7
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