Guia tecnica: Principios tecnicos de los descargadores de sobretension de gas GTD de BOURNS(Ingles)

Solapas principales

Introduction 1 2 Bourns® discrete and 5-pin primary protection solutions 2 3 General operation of a GDT 4 4 GDT electrical parameters and their relationships 5 4.1 2026 series DCBD voltage and ramp impulse breakdown voltage 5 4.2 2026 series DCBD voltage and surge impulse voltage 6 4.3 2026-35 DCBD voltage and 1000 V/µs impulse voltage 7 4.4 2026-35 DCBD voltage and 10/1000 µs surge impulse voltage 7 4.5 2026-35 1000 V/µs impulse voltage and 10/1000 µs surge impulse voltage 8 4.6 Section summary and recommendations 8 5 Dynamic performance with telecom surges 9 5.1 Switching performance 10 5.1.1 Peak voltage switching time 10 5.1.2 Arc region transition time 11 5.2 Surge performance 12 5.2.1 2026 series switching time and surge impulse voltage with 10/1000 µs 12 5.2.2 2026-35 switching time and surge impulse voltage with 10/1000 µs 13 5.2.3 2026-35 switching time and surge impulse voltage with 2/10 µs 14 5.2.4 2026-35 switching time and surge impulse voltage with 8/20 µs 16 5.3 Surge voltage under extreme conditions 16 5.4 Arc voltage 18 5.4.1 Arc voltage under AC conditions 18 5.4.2 Arc voltage under surge 19 5.5 Section summary and recommendations 20 6 Life cycle of a GDT 21 6.1 Longevity and end of life 22 6.2 The dark effect 23 6.3 The spark effect 24 6.4 GDT resistance below its breakdown voltage 25 6.5 Section summary and recommendation

 

 

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