Title:
DIAGNOSTIC DEVICE
Document Type and Number:
Japanese Patent JP2019174160
Kind Code:
A
Abstract:
To improve accuracy of diagnosing a remaining life of a power transformer.SOLUTION: A diagnostic device 1 according to a representative embodiment comprises: a storage unit 17 for storing a measurement result of a load measured by automatic meter reading devices 3_1 to 3_n connected to the secondary side of a power transformer 62 of a diagnostic object; a load calculation unit 13 for calculating a load of the power transformer on the basis of the measurement result of the load read from the storage unit; a utilization rate calculation unit 14 for calculating a utilization rate of the power transformer on the basis of the load of the power transformer; and a life calculation unit 15 for calculating a remaining life of components constituting the power transformer for each component.SELECTED DRAWING: Figure 2
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Inventors:
SANO TSUNEYO
ITO HIROKAZU
SAKAMOTO YUSUKE
ITO HIROKAZU
SAKAMOTO YUSUKE
Application Number:
JP2018059798A
Publication Date:
October 10, 2019
Filing Date:
March 27, 2018
Export Citation:
Assignee:
TOKYO ELECTRIC POWER CO HOLDINGS INC
International Classes:
G01R31/00; G01M99/00; G01R22/06
Domestic Patent References:
| JPH07159471A | 1995-06-23 | |||
| JP2011259575A | 2011-12-22 | |||
| JPH05227644A | 1993-09-03 | |||
| JP2015082928A | 2015-04-27 |
Foreign References:
| US20130158897A1 | 2013-06-20 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima