Title:
電源監視システム
Document Type and Number:
Japanese Patent JP6840426
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power supply monitoring system that makes it possible to grasp an operation state of a trunk breaker even from the outside.SOLUTION: A power supply monitoring system includes: a trunk breaker 1; first detection means V1 for detecting a voltage of a primary side (power supply side) terminal of the trunk breaker; and second detection means V2 for detecting a voltage of a secondary side (load side) terminal of the trunk breaker. The power supply monitoring system also includes: a determination unit 91 that after the first detection means detects a voltage of the primary side terminal of the trunk breaker, detects the existence of voltage of the secondary side terminal of the trunk breaker to determine recovery operation of the trunk breaker; and an output unit for outputting information from the determination unit to an external device.SELECTED DRAWING: Figure 2
Inventors:
Hiroshi Suzuki
Matsuyuki Masayuki
Matsuyuki Masayuki
Application Number:
JP2016181110A
Publication Date:
March 10, 2021
Filing Date:
September 16, 2016
Export Citation:
Assignee:
Nitto Kogyo Co., Ltd.
International Classes:
H02B1/40; H02H3/08; H02H3/16; H02H5/00
Domestic Patent References:
| JP9215178A | ||||
| JP2013252012A | ||||
| JP2012042417A |
Attorney, Agent or Firm:
Patent Business Corporation Najima Patent Office