Analysis of Fast Onload Multitap-Changing Clamped-Hard-Switching AC Stabilizers

Vaquero, Joaquín; Rodríguez, Juan; Fernandez, Santiago Monteso; García, Salvador Martínez; Garcia, Manuel Albert

doi:10.1109/tpwrd.2005.859298

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2008

2024

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Cited by 12 publications

(2 citation statements)

References 26 publications

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“…Although it has been seen that introducing some extra elements (such as compensatory transformers or auxiliary switches) better performances can be obtained (in terms of protection or overlap time reduction), [4] [5] [6], an increase of complexity generally implies an increase of the price of the solution an often also a reduction of the robustness of the device.…”

Section: Solutionmentioning

confidence: 99%

Thyristor based solid state tap changer for distribution transformers

Martinez

Fernandez

Canales

2013

2013 IEEE 11th International Workshop of Electronics, Control, Measurement, Signals and Their Application to Mechatronics

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Section: Solutionmentioning

confidence: 99%

Thyristor based solid state tap changer for distribution transformers

Martinez

Fernandez

Canales

2013

2013 IEEE 11th International Workshop of Electronics, Control, Measurement, Signals and Their Application to Mechatronics

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“…However, a thyristor is a line-commuted device, and a short circuit occurs when switching taps around the current zero point [12][13][14]. To prevent the large current in short circuit, a resistor or inductor is used [15][16][17][18], but the slow switching rate of a thyristor and the control complexity still remain challenges. TRIAC with two thyristors connected in anti-parallel also has the same problem [19].…”

Section: Introductionmentioning

confidence: 99%

Design of Step Voltage Regulator Based on IGBT

Lee,

Kim,

Park

et al. 2024

Energies

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The introduction of distributed generation (DG) into distribution systems is expanding due to carbon neutral policies. DG with intermittent output characteristics brings frequent voltage variations in distribution systems. Generally, a step voltage regulator (SVR) is installed in the long distribution line and controls its voltage, which has limits of stable voltage regulations due to the slow tap-changing rate, switching losses, and short life span. To solve those problems, this paper proposes an IGBT-based SVR using zero-voltage switching. It is verified that the stable operation can be obtained through simulation by PSCAD/EMTDC 4.6 software and empirical experiments.

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