A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE

Purpose.The aim of this study is to obtain a method for determining the capacity surge arrester nonlinear absorb energy without breaking the heat balance in modes of long-term application of operating voltage, which allows for analysis of their work in terms of violations as electricity. Methodology...

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Autor principal:	S.Yu. Shevchenko
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Technical University "Kharkiv Polytechnic Institute" 2015
Materias:	varistor surge arrester method mathematical model voltage current-voltage characteristics heat balance Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/ea2966789191491c90935da6e3cf7cc1
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spelling	oai:doaj.org-article:ea2966789191491c90935da6e3cf7cc12021-12-02T17:56:02ZA METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE2074-272X2309-3404https://doaj.org/article/ea2966789191491c90935da6e3cf7cc12015-08-01T00:00:00Zhttp://eie.khpi.edu.ua/article/view/48739/44955https://doaj.org/toc/2074-272Xhttps://doaj.org/toc/2309-3404Purpose.The aim of this study is to obtain a method for determining the capacity surge arrester nonlinear absorb energy without breaking the heat balance in modes of long-term application of operating voltage, which allows for analysis of their work in terms of violations as electricity. Methodology. For values of the energy passing through the arrester must be able to determine the current value for the voltage value in the area of leakage current-voltage characteristics. We have carried out calculations of the energy passing everywhere arrester for certain periods of time based on the current-voltage characteristics obtained experimentally. Analysis of the experimental current-voltage characteristics of resistors and literature led to the important conclusion that the dielectric properties of the ceramic varistor affect the value of active power losses in the arrester only when the active component of the leakage current is very small. This is confirmed by the characteristics of different classes of varistor voltage. This property of varistors and surge arresters shows the need to consider how the dielectric and conductive properties of the varistor ceramics in the analysis of work in the area of the arrester leakage current-voltage characteristic. These results demonstrate the need to clarify the mathematical model and the method for determining the energy dissipates in the area of the arrester leakage current CVC with their account. Results. The study, an improved mathematical model for calculating energy affects surge arrester during its working life. The study obtained the method, of evaluation capacity surge arrester, maintains heat balance throughout working life. Based on experimentally obtained current-voltage characteristic of the varistors is defined voltage at which surge arrester starts conducting active current. This allowed to receive specified mathematical model for calculating energy affects surge arrester and develop a method of evaluation capacity surge arrester maintain heat balance throughout working life.S.Yu. ShevchenkoNational Technical University "Kharkiv Polytechnic Institute"articlevaristorsurge arrestermethodmathematical modelvoltagecurrent-voltage characteristicsheat balanceElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENRUUKElectrical engineering & Electromechanics, Iss 4, Pp 69-73 (2015)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	varistor surge arrester method mathematical model voltage current-voltage characteristics heat balance Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	varistor surge arrester method mathematical model voltage current-voltage characteristics heat balance Electrical engineering. Electronics. Nuclear engineering TK1-9971 S.Yu. Shevchenko A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
description	Purpose.The aim of this study is to obtain a method for determining the capacity surge arrester nonlinear absorb energy without breaking the heat balance in modes of long-term application of operating voltage, which allows for analysis of their work in terms of violations as electricity. Methodology. For values of the energy passing through the arrester must be able to determine the current value for the voltage value in the area of leakage current-voltage characteristics. We have carried out calculations of the energy passing everywhere arrester for certain periods of time based on the current-voltage characteristics obtained experimentally. Analysis of the experimental current-voltage characteristics of resistors and literature led to the important conclusion that the dielectric properties of the ceramic varistor affect the value of active power losses in the arrester only when the active component of the leakage current is very small. This is confirmed by the characteristics of different classes of varistor voltage. This property of varistors and surge arresters shows the need to consider how the dielectric and conductive properties of the varistor ceramics in the analysis of work in the area of the arrester leakage current-voltage characteristic. These results demonstrate the need to clarify the mathematical model and the method for determining the energy dissipates in the area of the arrester leakage current CVC with their account. Results. The study, an improved mathematical model for calculating energy affects surge arrester during its working life. The study obtained the method, of evaluation capacity surge arrester, maintains heat balance throughout working life. Based on experimentally obtained current-voltage characteristic of the varistors is defined voltage at which surge arrester starts conducting active current. This allowed to receive specified mathematical model for calculating energy affects surge arrester and develop a method of evaluation capacity surge arrester maintain heat balance throughout working life.
format	article
author	S.Yu. Shevchenko
author_facet	S.Yu. Shevchenko
author_sort	S.Yu. Shevchenko
title	A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
title_short	A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
title_full	A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
title_fullStr	A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
title_full_unstemmed	A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE
title_sort	method of determining the ability of the arrester to absorb energy without breaking the heat balance
publisher	National Technical University "Kharkiv Polytechnic Institute"
publishDate	2015
url	https://doaj.org/article/ea2966789191491c90935da6e3cf7cc1
work_keys_str_mv	AT syushevchenko amethodofdeterminingtheabilityofthearrestertoabsorbenergywithoutbreakingtheheatbalance AT syushevchenko methodofdeterminingtheabilityofthearrestertoabsorbenergywithoutbreakingtheheatbalance
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A METHOD OF DETERMINING THE ABILITY OF THE ARRESTER TO ABSORB ENERGY WITHOUT BREAKING THE HEAT BALANCE

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