Title:
POWER APPARATUS
Document Type and Number:
Japanese Patent JP2019219241
Kind Code:
A
Abstract:
To provide a power apparatus which can increase the sensitivity of a detector detecting a partial discharge while simplifying the structure.SOLUTION: A power apparatus (1) includes: a housing (12) containing a high-voltage conductor (11) and an insulating fluid; and a detector (20) in the housing for detecting a partial discharge from the high-voltage conductor. The detector has a first antenna part (51), a second antenna part (52), and a third antenna part (53) as a plurality of antenna parts detecting electromagnetic waves with different directions of electric fields. The detector is made of a single unit.SELECTED DRAWING: Figure 1
Inventors:
SHIKURA TATSUYUKI
Application Number:
JP2018116025A
Publication Date:
December 26, 2019
Filing Date:
June 19, 2018
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD
International Classes:
G01R31/12; H01H33/55; H01H33/56; H02B13/035; H02B13/065; H02G5/06; H02G5/08
Domestic Patent References:
| JP2014202537A | 2014-10-27 | |||
| JPH02502887A | 1990-09-13 | |||
| JP2001066337A | 2001-03-16 | |||
| JP2006322869A | 2006-11-30 | |||
| JP2016142609A | 2016-08-08 | |||
| JP3299547B2 | 2002-07-08 | |||
| JP2002022790A | 2002-01-23 |
Foreign References:
| US20070298724A1 | 2007-12-27 |
Attorney, Agent or Firm:
Hiroyoshi Aoki
Amada Masayuki
Yoshimasa Okada
Masaaki Kitagawa
Amada Masayuki
Yoshimasa Okada
Masaaki Kitagawa