Title:
INVERTER PROTECTING DEVICE
Document Type and Number:
Japanese Patent JPS5343826
Kind Code:
A
Abstract:
PURPOSE:To enable protecting a failure not to be protected by a fuse completely, by detecting even an abnormal current which can not be detected by a fuse when it is continuing during a certain period of a time, and by making this detected signal as an operating signal of a breaker.
Inventors:
YAMAZAKI YASUHIRO
KOBAYASHI AKIRA
KOBAYASHI AKIRA
Application Number:
JP11719976A
Publication Date:
April 20, 1978
Filing Date:
October 01, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02M7/493; (IPC1-7): H02M7/48