Develop an on-load Automatic Voltage Regulation System utilizing TRIACs for Power Transformers in the 6-10 kV range

Voltage fluctuations in power transmission networks adversely affect not only electrical consumers but also devices, leading to a shorter service life. Therefore, optimizing voltage adjustment processes and enhancing the reliability of power supply systems are pressing concerns. This article outlines the design and implementation of an on-load automatic voltage regulation system using TRIAC technology for single-phase power transformers operating in the $6-10 \mathrm{kV}$ range. It includes a schematic diagram for the contactless voltage adjustment system in a single-phase power transformer. Additionally, an operational algorithm for the device has been developed. In addition, a simulation model of a single-phase power transformer with an automatic voltage adjustment device was developed in MATLAB software for conducting theoretical-experimental studies.

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