Observer Based Current Sensorless Control for DAB Converter with Improved Dynamic Performance

被引:2
|
作者
Pal, Piyali [1 ]
Behera, Ranjan Kumar [1 ]
机构
[1] IIT Patna, Dept Elect Engn, Patna, Bihar, India
来源
2022 IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS, PEDES | 2022年
关键词
Nonlinear disturbance observer (NDO); Sliding mode control (SMC); dual active bridge converter (DAB); fast dynamic response;
D O I
10.1109/PEDES56012.2022.10080313
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This article proposes a current sensorless sliding mode control strategy of dual active bridge converter (DAB). Here, the load current is estimated by using nonlinear disturbance observer. Then this estimated load current is used as a feedforward signal in sliding mode control. The proposed control strategy can regulate the output DC voltage with good disturbance rejection capability, fast dynamic response and accurate reference voltage tracking without using current sensor. The complete design procedure with mathematical analysis is presented. Moreover, the performance of the proposed controller has been compared with other conventional controllers. The proposed controller is simulated in MATLAB and real time OPAL-RT platform used to verify its performance. Typical results are presented
引用
收藏
页数:6
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