Detailed Analysis of Load Voltage Compensation for Dynamic Voltage Restorers

Boonchiam, P.; Apiratikul, P.; Mithulananthan, Nadarajah

doi:10.1109/tencon.2006.343680

Cited by 6 publications

(2 citation statements)

References 7 publications

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“…In recent years, the number of power resources connected to power systems (voltage grids) has increased and there has been a move toward connecting small power resources to the medium-and low-voltage network (Boonchiaml, Apiratikull, & Mithulananthan, 2006). Power quality standards for connection of an inverter to the grid are still under development, since before there have been a few similar high-power applications.…”

Section: Public Interest Statementmentioning

confidence: 99%

RETRACTED ARTICLE: Dynamic voltage restorer controller using grade algorithm

Deepa¹,

Ranjani

2015

Cogent Engineering

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This paper deals with the terminology and various issues about power quality problems. This problem occurs owing to voltage sag, swell, harmonics, and surges. The sustained overvoltage and undervoltage originated from power system may often damage/or disrupt computerized process. Voltage sags and harmonics disturb the power quality and this can be overcome by custom power device called dynamic voltage restorer (DVR). The DVR is normally installed between the source voltage and critical or sensitive load. The vital role of DVR depends on the efficiency of the control technique involved in switching circuit of the inverter. In this paper, Combination of improved grade algorithm with fuzzy membership function is used to decide the Proportional-Integral coefficients. The DVR works well both in balanced and unbalanced conditions of voltages. The simulation results show the efficiency of the proposed method.

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Section: Public Interest Statementmentioning

confidence: 99%

RETRACTED ARTICLE: Dynamic voltage restorer controller using grade algorithm

Deepa¹,

Ranjani

2015

Cogent Engineering

View full text Add to dashboard Cite

show abstract

“…This represents an advantage, since the equipment can compensate swells without using regeneration or power dissipation and can compensate sags on low power factor loads without using energy. Some works have reported this concept [17][18][19][20] but using only this feature alone in the compensator. Some works have considered the so-called optimized minimum power injection in which both reactive and active powers are used by the DVR to compensate but assuring that the amount of active power used in the process is the minimum possible [21,22].…”

Section: Introductionmentioning

confidence: 99%