Current sensorless control of three-phase PWM rectifiers

En Zhang; Xiaozhong Liao

Current sensorless control of three-phase PWM rectifiers

En Zhang^*
, Xiaozhong Liao

^*Corresponding author for this work

School of Automation

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A current sensorless control strategy of three-phase PWM rectifiers is presented. Double close-loop control method is applied in the system. DC voltage is regulated by the external loop PI regulator. The system can operate at unity power factor by controlling the active and reactive power with two inner loop hysteresis controllers. The input AC current can be reconstructed from the mathematical model of PWM rectifiers in order to eliminating current sensors. The simulation results prove that the system has good performance.

Original language	English
Pages (from-to)	42-45
Number of pages	4
Journal	Diangong Jishu Xuebao/Transactions of China Electrotechnical Society
Volume	19
Issue number	11
Publication status	Published - Nov 2004

Keywords

Current reconstruction
Current sensorless
PWM rectifiers

Cite this

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title = "Current sensorless control of three-phase PWM rectifiers",

abstract = "A current sensorless control strategy of three-phase PWM rectifiers is presented. Double close-loop control method is applied in the system. DC voltage is regulated by the external loop PI regulator. The system can operate at unity power factor by controlling the active and reactive power with two inner loop hysteresis controllers. The input AC current can be reconstructed from the mathematical model of PWM rectifiers in order to eliminating current sensors. The simulation results prove that the system has good performance.",

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AU - Zhang, En

AU - Liao, Xiaozhong

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N2 - A current sensorless control strategy of three-phase PWM rectifiers is presented. Double close-loop control method is applied in the system. DC voltage is regulated by the external loop PI regulator. The system can operate at unity power factor by controlling the active and reactive power with two inner loop hysteresis controllers. The input AC current can be reconstructed from the mathematical model of PWM rectifiers in order to eliminating current sensors. The simulation results prove that the system has good performance.

AB - A current sensorless control strategy of three-phase PWM rectifiers is presented. Double close-loop control method is applied in the system. DC voltage is regulated by the external loop PI regulator. The system can operate at unity power factor by controlling the active and reactive power with two inner loop hysteresis controllers. The input AC current can be reconstructed from the mathematical model of PWM rectifiers in order to eliminating current sensors. The simulation results prove that the system has good performance.

KW - Current reconstruction

KW - Current sensorless

KW - PWM rectifiers

UR - https://www.scopus.com/pages/publications/13944260245

M3 - Article

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SN - 1000-6753

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JO - Diangong Jishu Xuebao/Transactions of China Electrotechnical Society

JF - Diangong Jishu Xuebao/Transactions of China Electrotechnical Society

IS - 11

ER -

Current sensorless control of three-phase PWM rectifiers

Abstract

Keywords

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