Effect of PI controller on efficiency of dynamic voltage restorer for compensation of voltage quality problems

Ali, Muhammad Taha; Abbas, Farukh; Nadeem, Akif; Yaqoob, Muhammad; Malik, Sarmad Majeed; Iqbal, Muhammad Javed

doi:10.1109/epepemc.2014.6980663

Cited by 4 publications

(4 citation statements)

References 7 publications

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“…It maintains a synchronous output signal with a reference input signal in phase and frequency. A PI controller [44] is used to calculate the error value as the difference between the reference value and measured process variable, and reduce the error in outputs by the adjustment of process control inputs.…”

Section: Control Strategymentioning

confidence: 99%

Voltage disturbance mitigation in Iraq's low voltage distribution system

Mohammed

Hussein

Al-Sakini

2020

IJEECS

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<p>Power distribution network in Iraq still suffers from significant problems regarding electricity distribution level. The most important problem is the disturbances that are occurring on lines voltages, which in turn, will negatively affect sensitive loads they feed on. Protection of these loads could be achieved efficiently and economically using the dynamic voltage restorer DVR when installed between the voltage source and load to inject required compensation voltage to the network during the disturbances period. The DVR mitigates these disturbances via restoring the load voltage to a pre-fault value within a few milliseconds. To control the DVR work, dq0 transformation concept and PID method with sinusoidal pulse-width modulation SPWM based converter had been used to correct the disturbances and thus enhance the power quality of the distribution network. The DVR performance was tested by MATLAB/Simulink with all kinds of expected voltage disturbances and results investigated the effectiveness of the proposed method.</p>

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Section: Control Strategymentioning

confidence: 99%

Voltage disturbance mitigation in Iraq's low voltage distribution system

Mohammed

Hussein

Al-Sakini

2020

IJEECS

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“…There are many controllers have been proposed which act as the control circuit of DVR and its main function is to control the operation of DVR by detecting voltage sags and calculate the desired value of the compensated voltage to be injected by DVR [5]. The most applicable controller for DVR is PI controller with PWM-based control scheme [6]. The combination of this method has many advantages which result in minimize DVR power rating, increase the accuracy of the sags and phase angle jump compensation [6].…”

Section: Power Qualitymentioning

confidence: 99%

“…The most applicable controller for DVR is PI controller with PWM-based control scheme [6]. The combination of this method has many advantages which result in minimize DVR power rating, increase the accuracy of the sags and phase angle jump compensation [6]. PI controller will calculate the difference values of measured and referenced value so it can reduce the error through adjustment which will be fed to PWM.…”

Section: Power Qualitymentioning

confidence: 99%

“…The voltage has to be transformed to the original waveforms it will be the input for the PWM to produce triggering signal to VSI to convert the voltage from DC to AC to be injected to the injection transformer [6]. VSI is based on PWM method since CPD only apply low power and it is more simple and good in response due to its flexibility compared to Fundamental Frequency Switching (FFS) [7].…”

Section: Power Qualitymentioning

confidence: 99%

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Improved Analysis of DVR Performance for Voltage Sag Mitigation

2018

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Dynamic Voltage Restorer (DVR) provides the most reliable solution to the voltage quality problem in power distribution system from the effectiveness of DVR performance for voltage sag mitigation. As a custom power device, DVR offers the best solution to three phase power system in order to improve the power quality issue as the magnitude and phase of the voltage is added during the sags occurrence to restore the load condition to compensate the voltage sags. The suitable controller, Proportional-Integral (PI) Controller is used along with the Pulse Width Modulation (PWM)-based control scheme to calculate the exact error and generate the missing voltage to be injected to the three-phase power system through injection transformers. Simulation results of various fault types using MATLAB/SIMULINK are shown in this paper to demonstrate the successful compensation of voltage sags by mitigation technique using Dynamic Voltage Restorer in three-phase power distribution.

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Simulation of the Dynamic Voltage Restorer Using Two Different Types of the Controller in a Distribution System

Kadhimi

Mohammed

2021

Advances in Intelligent Systems and Computing

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Effect of PI controller on efficiency of dynamic voltage restorer for compensation of voltage quality problems

Cited by 4 publications

References 7 publications

Voltage disturbance mitigation in Iraq's low voltage distribution system

Voltage disturbance mitigation in Iraq's low voltage distribution system

Improved Analysis of DVR Performance for Voltage Sag Mitigation

Simulation of the Dynamic Voltage Restorer Using Two Different Types of the Controller in a Distribution System

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