Current Control of VSI-PWM Inverters

Brod, D. M.; Novotny, D.W.

doi:10.1109/tia.1985.349711

Cited by 781 publications

(181 citation statements)

References 4 publications

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“…Conventional PI and proportional integral derivative (PID) controllers have been used to estimate the peak reference currents and control the dc side capacitor voltage of the inverter to remain essentially constant. Most of the active filter systems use PI or PID-controller for maintaining the dc side capacitor voltage [7][8][9]. The phase locked loop (PLL) controller can operate satisfactorily under highly distorted and unbalanced system [3].…”

Section: Introductionmentioning

confidence: 99%

PLL Synchronization with PID Controller BasedShunt Active Power Line Conditioners

Karuppanan¹,

Mahapatra²

2011

IJCEE

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Abstract-This paper describes Shunt Active Power Line Conditioners (APLC) for compensating harmonic currents and reactive power drawn by the non-linear loads besides power factor correction. The shunt APLC is implemented with three phase PWM current controlled voltage source inverter and is connected at the point of common coupling (PCC) for compensating the harmonics. The compensation process is based on phase locked loop (PLL) synchronization with proportional integral derivative (PID) controller. These control strategies for shunt APLC makes certain that source current is sinusoidal even when the load is non-linear and unbalanced. The PWM-VSI inverter switching is done according to gating signals derived from hysteresis band current controller (HCC) and the capacitor voltage is maintained constant using PID controller. The proposed shunt APLC is investigated using extensive simulation and is found to be effective in terms of THD, reactive power compensation and VDC settling time under various balanced and unbalanced load conditions.

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Section: Introductionmentioning

confidence: 99%

PLL Synchronization with PID Controller BasedShunt Active Power Line Conditioners

Karuppanan¹,

Mahapatra²

2011

IJCEE

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“…To overcome the shortage of the PI controller, the repetitive control, which is originated from internal-model principle of control theory [4]- [7], is put forward and widely used in wind, hydro and solar energy system; uninterruptible power supplies (UPS), photovoltaic (PV), dynamic voltage restorer (DVR), and APF systems. Repetitive controller's transfer function is usually described as (1): s re r sT e 1…”

Section: Introductionmentioning

confidence: 99%

Analysis and realization of a novel repetitive controller in active power filter system

Chen

Gong

Xiong

et al. 2009

2009 International Conference on Power Electronics and Drive Systems (PEDS)

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--The repetitive control has been widely used in grid connected voltage source converters, such as uninterruptible power supplies (UPS), photovoltaic inverter (PV) and active power filter (APF). This paper introduces a new repetitive control strategy in the APF system; the proposed control strategy has a forgetting factor (FF), which could improve control system robustness. Control system stability and convergence analysis points out that control system characteristics depend on characteristic expression, which is essential for controller design. Appropriate design of this characteristic expression could make control system have good stability and fast convergence rate. Combination of industrial application, this paper presents a controller analysis and design methods, at last, simulations and experiment results demonstrate the validity of proposed repetitive control strategy.

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“…which is the same as the case outlined here at the instants of the zero crossings of the suppl y voltage [102].…”

Section: Chapter 3 a 11elv Methods {Or P01\'er ({L/{[lity Impr01'ementmentioning

confidence: 87%

“…The clocked hysteris technique [102] and the PWM switching technique used to operate the invetter was introduced in chapter 3 and are analysed and simulated in this chapter.…”

Section: Pwm and Hysterisis Switching Techniquesmentioning

confidence: 99%

“…The PWM-hystetisis controller operates in this case as shown in the block diagram of The output of the hysterisis controller drives an interlocking circuit, which then decides on which switch to tum on or off, according to the switching modes defined in On the other hand, the ordinary clocked h ys teri sis controll er operates a peci fi ed in [102] . …”

Section: Pwm and Hysterisis Switching Techniquesmentioning

confidence: 99%

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A new method for power quality improvement

Kasikci¹

PowerTech Budapest 99. Abstract Records. (Cat. No.99EX376)

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Current Control of VSI-PWM Inverters

Cited by 781 publications

References 4 publications

PLL Synchronization with PID Controller BasedShunt Active Power Line Conditioners

PLL Synchronization with PID Controller BasedShunt Active Power Line Conditioners

Analysis and realization of a novel repetitive controller in active power filter system

A new method for power quality improvement

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