Non zero Compensation Vector Phase Current Reconstruction Strategy with DC Link Single Sensor
ID:60 View Protection:ATTENDEE Updated Time:2022-08-11 13:42:10 Hits:175 Oral Presentation

Start Time:2022-11-04 16:20(Asia/Shanghai)


Session:M Electric Machine Design and Control » OS14Oral Session 14

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Abstract--The DC link current sampling with single sensor attract high interest in the electric drive field. Unobservable area is the most intractable challenge in traditional SVPWM single sensor reconstruction method, especially in sector boundary, where the duration of effective voltage vector is too short that can’t measured accurately. This paper proposed a new non-zero compensation vector pulse width modulation (NCV-PWM) single sensor method for current reconstruction. First, analysis the minimum sample time of DC link current, divided voltage space vector plane into different modulation area Then, applying non-zero compensate vector in sector boundary to extend the current sampling window, satisfies the minimum sampling time requirements for DC link current, eliminates the sector boundary unobservable area in voltage space vector plane. The feasibility of the proposed method is verified on the experimental platform. The results show the current completed reconstruct in space vector plane and THD is less than 6.17%, provides accurate current feedback for high performance vector control.
SVPWM, DC link, current reconstruction, single sensor, NCV-PWM
Yongpeng Shen
Professor zhengzou university of light industry

Submission Author
Yongpeng Shen zhengzou university of light industry
kexuan Wu zhengzhou university of light industry
Xiaofang Yuan Hunan university
Chengzhong Wu Hunan University
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    Nov 05


  • Aug 01 2022

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  • Nov 05 2022

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