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11. Monitoring System of High Voltage Dielectric Equipment

Author

Golenishchev-Kutuzov Aleksandr V., Golenishchev-Kutuzov Vadim A., Ivanov Dmitry A., Semennikov Anton V., and Galieva Tatyana G.

Subjects
Environmental sciences, GE1-350
Abstract

Based on the research of the main causes of dielectric elements premature aging and electrical destruction of primary dielectric elements in high voltage electrical equipment the complex method for remote monitoring of said electrical equipment has been developed. The developed mobile diagnostic device is allowing detection and periodic control of the most dangerous defects. The set of diagnostic parameters of defects was experimentally obtained by using three physical methods (electromagnetic, optical, and acoustic), and allows to inspect the origin and development of defects, and to determine residual life of dielectric elements with a sufficient degree of reliability. The researched characteristics of the kinetics of reduction in operating parameters of polymer insulators permitted the development of the detection of accelerated increase in defects under the influence of ultra-large partial discharges.

Published
2021
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18. Effect of partial discharges on the operating condition of high-voltage insulators

Author

Golenishchev-Kutuzov A. V., Golenishchev-Kutuzov V. A., Ivanov D. A., Mardanov G. D., Semennikov A. V., and Ahmetvaleeva L. V.

Subjects
Environmental sciences, GE1-350
Abstract

The features of the dielectric rod defects and the rod-electrod defects of polymer insulators were investigated by using the developed complex method of contactless remote diagnostics of high-voltage insulators health, which includes the initial detection of local areas with elevated electric field gradients as well as measurement of a set of partial discharges characteristics. The radiation of extra-large partial discharges was detected and partial discharges features were investigated. According to the measurement results, a diagram was constructed for the electro-physical processes that accompany the emission of extra-large partial discharges; and the reasons for their occurrence were established.

Published
2019
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