Title:
OBSERVATION SYSTEM FOR DIGITAL PROTECTION CONTROLLER
Document Type and Number:
Japanese Patent JP3435174
Kind Code:
B2
Abstract:
PURPOSE: To provide the observation system for digital protection controller improving operability, reliability and cost effectiveness by efficiently coupling the features of the digital protection controller and the features of a telephone line network.
CONSTITUTION: This system is provided with a data recording means 11 to record prescribed digital data in the digital protection controller corresponding to prescribed recording start conditions when these recording start conditions are established at the time of observing the operations and device state of the controller, data transfer means 12 and 13-1-13-n to transfer the recorded digital data to over one opposite side stations by using the telephone line network corresponding to a prescribed order set at the present terminal or a request from the opposite side station, and observed result output means 14-1-14-n to output the observed result according to the data transferred by the opposite side stations.
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Inventors:
Hiroshi Shimonaga
Ryoichi Matsunaga
Katsuhiko Sekiguchi
Ryoichi Matsunaga
Katsuhiko Sekiguchi
Application Number:
JP20050792A
Publication Date:
August 11, 2003
Filing Date:
July 03, 1992
Export Citation:
Assignee:
Kyushu Electric Power Co., Inc.
Toshiba Corporation
Toshiba Corporation
International Classes:
G01R31/08; H02H3/00; H02J13/00; H04M11/00; H04Q9/00; (IPC1-7): H04M11/00; G01R31/08; H02H3/00; H02J13/00
Domestic Patent References:
| JP61177133A | ||||
| JP438476A | ||||
| JP60224351A | ||||
| JP1255396A | ||||
| JP1208998A | ||||
| JP63178722A | ||||
| JP526950A |
Attorney, Agent or Firm:
Norio Ishii