JPH0363309B

A gate-turn-off thyristor failure detecting circuit includes a detector (30) which detects the off-gate signal of a gate-turn-off thyristor (20) and a current level detector (32) which compares the signal with a predetermined value and produces an output signal indicative of the failure of the gate-...

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Bibliographische Detailangaben
Hauptverfasser:	SEKI NAGATAKA, WATANABE YUKIO, KOIKE SHUNICHI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	A gate-turn-off thyristor failure detecting circuit includes a detector (30) which detects the off-gate signal of a gate-turn-off thyristor (20) and a current level detector (32) which compares the signal with a predetermined value and produces an output signal indicative of the failure of the gate-turn-off-thyristor (20).