Development of a Smart Static Transfer Switch Based on a Triac Semiconductor for AC Power Switching Control

Power system disruptions can be categorized as issues with the quality of electricity brought on by voltage sags, lightning strikes, and other system-related interferences. The static transfer switch (STS) has recently emerged as the most important technology for electric power transmission, distrib...

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Vydáno v:Energies Ročník 16; číslo 1; s. 526
Hlavní autoři: Okilly, Ahmed H., Kim, Namhun, Lee, Jonghyuk, Kang, Yegu, Baek, Jeihoon
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.01.2023
Témata:
AC power control
AC power control; smart static transfer switch (SSTS); switching algorithm; zero-crossing detection; transfer time; online AC voltage measurements; Triac
Control algorithms
Control systems
Customer services
Digital switching
Electric power transmission
Load
Methods
online AC voltage measurements
Printed circuit boards
smart static transfer switch (SSTS)
switching algorithm
T
Technology
transfer time
Transistors
zero-crossing detection
South Korea
ISSN:1996-1073, 1996-1073
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Popis
Shrnutí:Power system disruptions can be categorized as issues with the quality of electricity brought on by voltage sags, lightning strikes, and other system-related interferences. The static transfer switch (STS) has recently emerged as the most important technology for electric power transmission, distribution, and control systems to manage power supply during power system disruption issues, particularly in cost-effectively supplying power to critical loads and sensitive loads without interruption. In this paper, for the switching between the two AC sources during the voltage disruptions issue with low transfer time, a smart static transfer switch (SSTS) based on a digital switching algorithm and Triac semiconductor switch is proposed and experimentally tested. A digital switching algorithm based on online AC voltage sensing and zero-crossing detection is proposed and implemented inside a DSP MCU. The printed circuit board (PCB) of the proposed SSTS is designed and manufactured for the experimental performance investigation with different AC input voltage conditions. A comparative study based on the advantages and disadvantages of the proposed SSTS system with the previous works is also presented. A smart static transfer switch with a transition time of less than one cycle and a digital protection technique during fault conditions is obtained in this work.
Bibliografie:ObjectType-Article-1
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ISSN:1996-1073
1996-1073
DOI:10.3390/en16010526