Title:
PARTIAL DISCHARGE DETECTOR
Document Type and Number:
WIPO Patent Application WO/2009/145025
Kind Code:
A1
Abstract:
Required is a partial discharge detector which is easily installed, which has no possibility to fall off even if external force acts on a signal detecting cable or the like, and which is capable of stably transmitting a signal over a long period of time. Flanges (1A, 2A) of metal containers (1, 2) are connected by a plurality of stud bolts (4) through an insulating spacer (3). An antenna body (10) consisting of a planar antenna (11) and an insulating cover (12) is mounted at least on the outer peripheral surface of the insulating spacer (3). In the antenna body (10), an L-shaped support plate (13) is secured on the upper surface of the antenna body (10) and the support plate (13) is fixed to a mounting plate (15) and a connecting means (16), or is fixed directly to the stud bolts (4).
Inventors:
SHINOHARA RYOICHI (JP)
KOYAMA RYO (JP)
KOYAMA RYO (JP)
Application Number:
PCT/JP2009/058238
Publication Date:
December 03, 2009
Filing Date:
April 21, 2009
Export Citation:
Assignee:
JAPAN AE POWER SYSTEMS CORP (JP)
SHINOHARA RYOICHI (JP)
KOYAMA RYO (JP)
SHINOHARA RYOICHI (JP)
KOYAMA RYO (JP)
International Classes:
G01R31/12; H02B13/02; H02G5/06; H02G5/08
Foreign References:
| JP2002340969A | 2002-11-27 | |||
| JP2001298310A | 2001-10-26 | |||
| JP2006047285A | 2006-02-16 | |||
| JPH06174778A | 1994-06-24 | |||
| JP2007263640A | 2007-10-11 |
Attorney, Agent or Firm:
TAKADA, Yukihiko (Mito-shi Ibaraki, 62, JP)
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