Title:
【発明の名称】遮断器のデジタル固体引外し装置
Document Type and Number:
Japanese Patent JP2509182
Kind Code:
B2
Abstract:
Solid-state trip unit having a unit (29, 50, 48) for digital processing of signals emitted by current sensors (16). The digital processing system provides the long delay, short delay and instantaneous tripping functions and delivers a tripping order to the relay (14). An analog processing unit (70) is connected parallel with the digital processing unit to transmit an instantaneous tripping order to the relay (14). When the digital processing unit operates, the analog unit pick-up level is higher than the digital instantaneous tripping pick-up and this pick-up is reduced to a lower or equal value, if the digital unit is inactive.
Inventors:
PIEERU DOMEIE
Application Number:
JP3895586A
Publication Date:
June 19, 1996
Filing Date:
February 24, 1986
Export Citation:
Assignee:
MERLIN GERIN
International Classes:
H02H3/093; (IPC1-7): H02H3/093
Domestic Patent References:
| JP5720118A | ||||
| JP6032512A |
Attorney, Agent or Firm:
Kazuo Sato (2 outside)