12kV, 1kA thyristor

Abstract

The u l t r a h i g h b l o c k i n g v o l t a g e t h y r i s t o r w i t h b l o c k i n g v o l t a g e s of 12kV and t h e a v e r a g e o n s t a t e c u r r e n L of 1kA w a s r e a l i z e d . I n o r d e r t o o b L a i n h i g h b l o c k i n g v o l l a g e s and t h e low on-sLaLe v o l t a g e , d i f f u s i o n p r o c e s s e s and t h e g a t e and c a t h o d e s L r u c L u r e were o p t i m i z e d and t h e f u l l p r e s s u r e c o n t a c l s t r u c l u r e w a s employed. T h i s p a p e r e x p l a i n s t h e s t r u c t u r e and t h e e l e c t r i c a l c h a r a c L e r i s t i c s o f t h i s d e v i c e .