AcknowledgementsAlthough based on new ideas to a great extend, the request, discussions and support from the works is absolutely necessary to make the development of a new gate driver a success. The authors therefore cordially thank all the members involved in the project activities for their continued support with a particular deep thank to Mr. Shimomura, Mr. Takao and Mr. Mizohata for their contributions to the 6inch OCT gate driver and to Mr. Yoneda, Mr. Tokunoh and Mr. Itoh for their contributions to the gate driver for SGCTs.
AbstractIn GCT technology the gate drive has become a key component to widely deternine the mech-anical and electrical characteristics of the total power device. Based on recent improvements in switch-mode power supply technology, new circuit topology and mnechanical design of GCT gate drivers has been developed to enhance OCT turn-off capability, reduce gate drive power dissipation and shrink the dimensions and the weight of the gate drivers. In order to enhance service life, by mneans of the new topology gate driver for OCT are realized without firmly attached electrolytic capacitors for the first time. * In contrast to many othcr clcctronic compononts, cloctrolytic capacitors show tompcraturo dependent degradation over time (aging), which may result in a significant loss of capacitance. As hOE 2005 -I2'rc.Jcn 90-75815-08-5 P.1 A iiiodc,-ra low loss.. hig.i tLira-c-ff eapabihW GCT-gate.-d rivc: coaccp. GRUENING Hco1t DEl 2005 -L)i--;c11i ISBN :90-75815-08-5 1>q1 A 1w so,, higdlh tbCT GCr-gtdt,op GRIJNNG Hmot 12K 2005 -I2'rc.xkn PH A iiiodc,-ra low loss.. hig.i tLira-c-ff eapabihW GCT-gate.-d rivc: coaccp. GRUENING Hco1t DEl 2005 -L)i--;c11i ISBN:90-7581508-5 P.7X
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