Spark tension with positive polarity atmospheric impulses for short insulation distances, using electrodes tip to tip and tip-plate
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Universidad Industrial de Santander
Abstract
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Se presenta el resultado de un estudio para determinar expresiones analíticas que relacionan latensión de chispa (V 50y) del aislamiento bajo el aire con la distancia de separación interelectródica(hasta 85 cm). utilizando impulsos atmosféricos normalizados. Estas expresiones podrán serempleadas en el sistema eléctrico colombiano a las condiciones atmosféricas del sitio de ubicaciónde los equipos y aplicables a distancias cortas. Se uülizó la metodología IIUp and down" paradeterminar la V 5O% y el método de la máxJma verosimilitud para su tratamiento estadístico. Elestudio se efectuó utilizando las configuraciones punta-punta y punta placa normalizadas.
We present the results of a study to determine analytical expressions that relate the spark voltage (V50%) of the insulation under the air to the inter electronic separation distance (up to 85 cm). Using standard atmospheric pulses. These expressions may be used in the Colombian electrical system to the atmospheric conditions of the location of the equipment and applicable to short distances. The "Up and down" methodology was used to determine the VJO% and the maximum likelihood method for its statistical treatment. The study was carried out using the tip-tip and tip-standard configurations.
We present the results of a study to determine analytical expressions that relate the spark voltage (V50%) of the insulation under the air to the inter electronic separation distance (up to 85 cm). Using standard atmospheric pulses. These expressions may be used in the Colombian electrical system to the atmospheric conditions of the location of the equipment and applicable to short distances. The "Up and down" methodology was used to determine the VJO% and the maximum likelihood method for its statistical treatment. The study was carried out using the tip-tip and tip-standard configurations.
Keywords
Spark voltage, atmospheric impulse, up - and - down, maximum likelihood, correction for atmospheric conditions, Tensión de chispa, impulso atmosférico, nup-and-downn, máxima verosimilitud, corrección por condiciones atmosféricas