JPS61135277U - - Google Patents
Info
- Publication number
- JPS61135277U JPS61135277U JP2008085U JP2008085U JPS61135277U JP S61135277 U JPS61135277 U JP S61135277U JP 2008085 U JP2008085 U JP 2008085U JP 2008085 U JP2008085 U JP 2008085U JP S61135277 U JPS61135277 U JP S61135277U
- Authority
- JP
- Japan
- Prior art keywords
- corona discharge
- antenna
- power spectrum
- signal processing
- signal input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims 2
- 230000005684 electric field Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Description
第1図はこの考案の一実施例を示す構成図、第
2図は第1図の実施例を示すちようかん図、第3
図はこの考案の他の実施例を示す構成図である。
第4図は従来の装置の実施例を示すちようかん図
、第5図はコロナ放電波形、第6図はコロナ放電
によつて大地へ流れる電流の波形を示す図である
。
図中、6はコロナ放電検出装置、7はアンテナ
、10は電力スペクトルラム解析部、11はメモ
リ、12はパターン認識部である。なお、図中同
一符号は同一又は相当部分を示す。
Fig. 1 is a block diagram showing one embodiment of this invention, Fig. 2 is a kitchen diagram showing the embodiment of Fig. 1, and Fig. 3
The figure is a block diagram showing another embodiment of this invention.
FIG. 4 is a diagram showing an example of a conventional device, FIG. 5 is a corona discharge waveform, and FIG. 6 is a diagram showing a waveform of a current flowing to the ground due to corona discharge. In the figure, 6 is a corona discharge detection device, 7 is an antenna, 10 is a power spectrum analysis section, 11 is a memory, and 12 is a pattern recognition section. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
ナと、このアンテナから入力された信号を電力ス
ペクトラムに分解する信号処理部と、コロナ放電
々力スペクトラムの標準パターンを格納してある
メモリと、このメモリ内の標準パターンと前記信
号処理部から入力されたパターン信号を比較認識
する認識部とから成るコロナ放電検出装置。 An antenna that receives disturbances in the electric field due to corona discharge, a signal processing unit that decomposes the signal input from this antenna into a power spectrum, a memory that stores a standard pattern of the corona discharge power spectrum, and a A corona discharge detection device comprising a recognition section that compares and recognizes a standard pattern and a pattern signal input from the signal processing section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008085U JPS61135277U (en) | 1985-02-13 | 1985-02-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008085U JPS61135277U (en) | 1985-02-13 | 1985-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61135277U true JPS61135277U (en) | 1986-08-23 |
Family
ID=30510238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008085U Pending JPS61135277U (en) | 1985-02-13 | 1985-02-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61135277U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01234016A (en) * | 1988-03-14 | 1989-09-19 | Hitachi Ltd | System for determining position of abnormality of gas insulated apparatus |
-
1985
- 1985-02-13 JP JP2008085U patent/JPS61135277U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01234016A (en) * | 1988-03-14 | 1989-09-19 | Hitachi Ltd | System for determining position of abnormality of gas insulated apparatus |
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