JPS54153676A - Partial discharge measuring apparatus - Google Patents
Partial discharge measuring apparatusInfo
- Publication number
- JPS54153676A JPS54153676A JP6252278A JP6252278A JPS54153676A JP S54153676 A JPS54153676 A JP S54153676A JP 6252278 A JP6252278 A JP 6252278A JP 6252278 A JP6252278 A JP 6252278A JP S54153676 A JPS54153676 A JP S54153676A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detected
- circuit
- signals
- discharge
- 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
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
PURPOSE: To improve S/N and make possible the automatic measurement of partial discharge by judging whether the signal through discharge having been detected by the use of electrical techniques and the signal through discharge having been detected by the use of acoustical techniques have synchronized or not.
CONSTITUTION: The signal 2a having been electrically detected and the signal 2s by the acoustic wave having been detected with an ultrasonic microphone are inputted respectively to input terminals 1a, 1s. These signals are converted to pulse signals 4a and 4s by monostable circuits 3a and 3s and are then inputted to an AND circuit 5. The AND circuit 5 output the synchronizing signal 6 when the two signals 4a and 4s synchronize. This synchronizing signal 6 is converted to a pulse signal 9 having a width to which a pen-writing recorder sufficiently responds, by way of a monostable circuit 8. After this pulse signal is amplified in an amplifier circuit consisting of a transistor 10 and emitter resistor 11, it is outputted from output terminal 12. This output signal is recorded with the pen-writing recorder.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6252278A JPS54153676A (en) | 1978-05-24 | 1978-05-24 | Partial discharge measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6252278A JPS54153676A (en) | 1978-05-24 | 1978-05-24 | Partial discharge measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54153676A true JPS54153676A (en) | 1979-12-04 |
Family
ID=13202593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6252278A Pending JPS54153676A (en) | 1978-05-24 | 1978-05-24 | Partial discharge measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54153676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297078A (en) * | 1989-05-11 | 1990-12-07 | Toshiba Corp | Detector for abnormality of electric apparatus |
| CN109459674A (en) * | 2018-12-28 | 2019-03-12 | 国家电网有限公司 | A kind of partial discharge of switchgear multinode monitoring system synchronization device |
-
1978
- 1978-05-24 JP JP6252278A patent/JPS54153676A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297078A (en) * | 1989-05-11 | 1990-12-07 | Toshiba Corp | Detector for abnormality of electric apparatus |
| CN109459674A (en) * | 2018-12-28 | 2019-03-12 | 国家电网有限公司 | A kind of partial discharge of switchgear multinode monitoring system synchronization device |
| CN109459674B (en) * | 2018-12-28 | 2020-12-22 | 国家电网有限公司 | Multi-node monitoring system synchronization device for local discharge of switch cabinet |
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