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An autoprotecting gate drive circuit for GTO thyristors

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3 Author(s)
Biswas, S.K. ; Dept. of Electr. Eng., Jadavpur Univ., Calcutta, India ; Basak, B. ; Vithayathil, Joseph

The authors present a gate drive circuit for gate turn-off thyristors which provides the combined functions of reliable switching, overcurrent protection to the device through on-state voltage monitoring, self-protection of the drive circuit by isolation against damage due to high voltage in the event of gate turn-off destruction, and galvanic isolation with good common mode rejection. The implementation details of the drive circuit used in conjunction with a gate turn-off thyristor chopper are included

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Industry Applications, IEEE Transactions on  (Volume:24 ,  Issue: 1 )