MINIMIZATION OF GTO GATE DRIVER LOSSES WHEN ANTIPARALLEL DIODE CONDUCT - Patent 0557475

(19)

(11)

EP 0 557 475 A1

(12)

(43)	Date of publication:
	01.09.1993 Bulletin 1993/35

(21)	Application number: 92917127.0

(22)	Date of filing: 24.07.1992

(51)

International Patent Classification (IPC):

H02M 1/ 08^{( . )}
H02P 27/ 06^{( . )}

H02M 7/ 521^{( . )}

(86)	International application number:
	PCT/US1992/006218

(87)	International publication number:
	WO 1993/006652 (01.04.1993 Gazette 1993/09)

(84)	Designated Contracting States:
	DE ES FR GB IT SE

(30)

Priority:

13.09.1991 US 19910759245

(71)	Applicant: GENERAL ELECTRIC COMPANY
	Schenectady, NY 12345 (US)

(72)	Inventors:
	KUMAR, Ajith, Kuttannair Erie, PA 16511 (US) STITT, Thomas, Detlor Erie, PA 16509 (US)

(74)	Representative: Pratt, Richard Wilson
	London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street London WC2R 3AA London WC2R 3AA (GB)

(54)	MINIMIZATION OF GTO GATE DRIVER LOSSES WHEN ANTIPARALLEL DIODE CONDUCT