2022
DOI: 10.3390/electronics11091435
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A Novel Improved Coordinate Rotated Algorithm for PWM Rectifier THD Reduction

Abstract: In this paper, a novel algorithm with a rotating coordinate system is proposed to improve the total harmonic distortion (THD) of PWM rectifiers. Aiming at solving the disadvantages of poor dynamic response, unstable switching frequency, and a large calculation burden in some current control methods, the proposed method employs the rotating coordinate system to control the active current and reactive current separately while modifying the calculation error. The proposed method is verified through a single-phase… Show more

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Cited by 5 publications
(6 citation statements)
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“…The double closed loop control strategy composed of voltage outer loop and current inner loop is the most frequent application in voltage PWM rectifier [8] . The current inner loop control usually uses PI controller, mainly in order to track the grid-side voltage phase without static error, to improve the dynamic performance of the whole system and play a role in suppressing the current distortion harmonics.…”
Section: Current Inner Loop Control Strategymentioning
confidence: 99%
See 1 more Smart Citation
“…The double closed loop control strategy composed of voltage outer loop and current inner loop is the most frequent application in voltage PWM rectifier [8] . The current inner loop control usually uses PI controller, mainly in order to track the grid-side voltage phase without static error, to improve the dynamic performance of the whole system and play a role in suppressing the current distortion harmonics.…”
Section: Current Inner Loop Control Strategymentioning
confidence: 99%
“…Compared with traditional diode rectifier and thyristor rectifier, PWM rectifier has incomparable advantages [1] . Firstly, PWM rectifier not only has bidirectional energy flow, low harmonic input current, DC side voltage control, but also can realize the advantage of unity power factor operation [2] . However, due to the nonlinear and strong coupling characteristics of PWM rectifier, the design and implementation of PWM rectifier control mode need to be more elaborate and complex.…”
Section: Introductionmentioning
confidence: 99%
“…The electric motor has a mechanical second part that can be represented in equation 3 and equation 4 for speed and torque. Straight [42]- [44].…”
Section: Motor and Simulation Modelmentioning
confidence: 99%
“…In recent years, Pulse-Width Modulation (PWM) Rectifiers have arisen as one of the most important components in various industrial applications such as renewable energy [1][2][3], EVs [4,5], electric traction [6][7][8], and so on. They ensure several advantages such as sinusoidal input currents, stable DC-Link voltage and unit power factor [9,10].…”
Section: Introductionmentioning
confidence: 99%