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2008•Huagong zidonghua ji yibiaoRequires access

Research of Direct Gate Driver Circuit for Gate-Turn-Off(GTO) Device

Guo Yi-jun

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Abstract

GTO is conventionally driven on a high enough amplitude and steepness with its current leading edge of drive circuit,which applies positive gate current for openness and negative current for shutoff.A new circuit for direct gate drive in respect of the requirements for GTO gate drive was advanced.This new drive circuit features compact structure and low inductance,which can give rapid gate pulsation for every GTO gate independently,and consequently,high-voltage power can be imposed on certain GTOs connected in series.

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What this paper is about

GTO is conventionally driven on a high enough amplitude and steepness with its current leading edge of drive circuit,which applies positive gate current for openness and negative current for shutoff.A new circuit for direct gate drive in respect of the requirements for GTO gate drive was advanced.This new drive circuit features compact structure and low inductance,which can give rapid gate pulsation for every GTO gate independently,and consequently,high-voltage power can be imposed on certain GTOs connected in series.

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Available abstract

GTO is conventionally driven on a high enough amplitude and steepness with its current leading edge of drive circuit,which applies positive gate current for openness and negative current for shutoff.A new circuit for direct gate drive in respect of the requirements for GTO gate drive was advanced.This new drive circuit features compact structure and low inductance,which can give rapid gate pulsation for every GTO gate independently,and consequently,high-voltage power can be imposed on certain GTOs connected in series.

Key concepts: Gate turn-off thyristor, Gate driver, Electrical engineering, Gate equivalent, Inductance, NAND gate, Logic gate, Power (physics)

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