Simple control method for three‐phase pulse‐width modulation rectifier of switching power supply under unbalanced and distorted supply voltages

Luo, An; Jin, Guobin; Xiao, Huagen; Xiong, Qiaopo; Wang, Yichao; Xie, Ning

doi:10.1049/iet-pel.2013.0584

Cited by 9 publications

(7 citation statements)

References 19 publications

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“…1, it is proposed to use the auto-phase control method to control the multi-phase PWM power regulator [18][19][20][21]. The number of phases for the multi-phase PWM power regulator changes depends on the output current.…”

Section: Multi-phase Auto-control Methodsmentioning

confidence: 99%

Improvement of the power conversion efficiency of a personal computer

Huang

Bai

Kuan

2016

IET Power Electronics

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Most low-power PC design research focuses on the power consumption of devices in the system, in order to reduce the consumption of the peripheral components while the system is in the idle state. In this design, the power conversion efficiency of the multi-phase pulse width modulation power regulator can be improved by using the auto-phase switching control scheme. The external load-sensing circuit is used to both monitor the output current and to change the regulator to a different operation method automatically. This design is dependent on the different loading to set the optimised operation phase. The power conversion efficiency can be maintained from 88.19 to 93.41%, when the load current is changed from 1.06 to 119 A.

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Section: Multi-phase Auto-control Methodsmentioning

confidence: 99%

Improvement of the power conversion efficiency of a personal computer

Huang

Bai

Kuan

2016

IET Power Electronics

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“…On the other hand, the switching control branch is expressed as G sm (z), which includes a nonlinear saturation function from Eq. (6). As shown in Section 3.1, G eq (z) is based on the estimated dynamic model of the main circuit and is vulnerable to external interference during the reaching phase.…”

Section: Proposed Control Strategy Designmentioning

confidence: 99%

“…Proportional integral (PI) control [5] is commonly used in stationary reference frames, but its use is limited by its inherent tracking error. Deadbeat control [6,7], which can minimize steady-state error effectively, is a popular choice for PWM rectifier system applications. To improve the dynamic performance, hysteresis control [8] offers extremely favorable dynamics but is sensitive to the frequency variations of a system.…”

Section: Introductionmentioning

confidence: 99%

Improved discrete sliding mode control strategy for pulse-width modulation rectifier

Tong¹

2018

Turk J Elec Eng & Comp Sci

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An improved sliding mode control utilizing repetitive control (ISMRC) is proposed for a three-phase pulsewidth modulation (PWM) rectifier. The proposed controller integrates the advantages of both sliding mode control (SMC) and repetitive control (RC) by implementing a structure that embeds an RC controller into the equivalent control branch of an SMC controller. Both a simulation and an experiment are conducted to compare the proposed ISMRC controller with a conventional SMC controller. It is demonstrated that the fifth harmonic distortion of the current of the PWM rectifier system is controlled at 3.3%, the power factor is close to the unit, and the effect on the DC bus voltage is effectively restrained. Therefore, the proposed control strategy can improve both the steady-state performance and the dynamic transient response of a PWM rectifier control system effectively, as well as increase the robustness of the system to load disturbances and parametric uncertainties.

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“…In [25], a new definition of the reactive power is presented for a DPC technique which is aimed to deal with the input voltage unbalance, and does not require the estimation of positive and negative sequences of the grid. In [26], an improved dead-beat based control for a three-phase PWM rectifier under harmonic and unbalance disturbances is presented. In [27], a control scheme for a voltage source converter (VSC) under input voltage disturbances is presented.…”

Section: Introductionmentioning

confidence: 99%

Model based current mode control design and experimental validation for a $$3\phi$$ 3 ϕ rectifier under unbalanced grid voltage conditions

Martínez-Rodrigez

Sosa

Iturriaga‐Medina

et al. 2018

J. Mod. Power Syst. Clean Energy

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This paper addresses the control design and the experimental validation of a current mode control for a three phase voltage source rectifier. The proposed control law is able to fulfill the voltage regulation and the current tracking control objectives despite of unbalanced and distorted grid voltages. The proposed control law consists of two loops, which are referred as inner tracking loop and the outer voltage regulation loop. The inner loop is designed to provide damping to the system, which also includes and adaptive mechanism. The construction of the current reference is based on the positive component detection of the grid voltage. Therefore, the current produced by the power rectifier is proportional to the fundamental component of the grid voltage, despite of the presence of unbalanced grid voltages. The voltage regulation loop is designed as a proportional-integral controller, which is aimed to regulate the DC output voltage to a desired level. Finally, experimental results are obtained in an experimental prototype of 2 kW to evaluate the performance of the proposed controller.

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Simple control method for three‐phase pulse‐width modulation rectifier of switching power supply under unbalanced and distorted supply voltages

Cited by 9 publications

References 19 publications

Improvement of the power conversion efficiency of a personal computer

Improvement of the power conversion efficiency of a personal computer

Improved discrete sliding mode control strategy for pulse-width modulation rectifier

Model based current mode control design and experimental validation for a $$3\phi$$ 3 ϕ rectifier under unbalanced grid voltage conditions

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