JPS5510884A - Method of detecting looseness of winding for electric apparatus - Google Patents
Method of detecting looseness of winding for electric apparatusInfo
- Publication number
- JPS5510884A JPS5510884A JP8426878A JP8426878A JPS5510884A JP S5510884 A JPS5510884 A JP S5510884A JP 8426878 A JP8426878 A JP 8426878A JP 8426878 A JP8426878 A JP 8426878A JP S5510884 A JPS5510884 A JP S5510884A
- Authority
- JP
- Japan
- Prior art keywords
- winding
- vibration
- electric apparatus
- large current
- signal processor
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
PURPOSE: To detect the looseness of the winding for an electric apparatus by applying large current surge to the winding and detecting the vibration peak value, vibration frequency and vibration attenuating rate occurred at the winding at that time to process the detected signals.
CONSTITUTION: Large current surge generated from a large current surge generator 1 such as a charging and discharging capacitor or the like is flown through the winding terminal of an electric apparatus 2. A vibration detecting terminal 4 is disposed at the winding 5 of the apparatus 2 to produce a signal through an amplifier 9 to a signal processor 10. The signal processor 10 comprises a peak detector 10a, a vibration attenuation calculating circuit 10b and a frequency calculating circuit 10c. The output signal from the signal processor is displayed on an indicator 11.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53084268A JPS5826261B2 (en) | 1978-07-11 | 1978-07-11 | How to detect looseness in electrical equipment windings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53084268A JPS5826261B2 (en) | 1978-07-11 | 1978-07-11 | How to detect looseness in electrical equipment windings |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5510884A true JPS5510884A (en) | 1980-01-25 |
JPS5826261B2 JPS5826261B2 (en) | 1983-06-01 |
Family
ID=13825699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53084268A Expired JPS5826261B2 (en) | 1978-07-11 | 1978-07-11 | How to detect looseness in electrical equipment windings |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5826261B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791419A (en) * | 1980-11-28 | 1982-06-07 | Toshiba Corp | Method and device for checking squirrel-cage rotor |
JPS6058551A (en) * | 1983-09-12 | 1985-04-04 | Toshiba Corp | Looseness diagnostic method and apparatus therefor |
US5103342A (en) * | 1989-09-08 | 1992-04-07 | Dainippon Screen Mfg. Co., Ltd. | Apochromatic lens system |
JP2010133961A (en) * | 2008-12-05 | 2010-06-17 | General Electric Co <Ge> | Winding diagnostic system and method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62161636A (en) * | 1986-01-10 | 1987-07-17 | Matsushita Electric Ind Co Ltd | Automatic original feeding device |
-
1978
- 1978-07-11 JP JP53084268A patent/JPS5826261B2/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791419A (en) * | 1980-11-28 | 1982-06-07 | Toshiba Corp | Method and device for checking squirrel-cage rotor |
JPS6058551A (en) * | 1983-09-12 | 1985-04-04 | Toshiba Corp | Looseness diagnostic method and apparatus therefor |
JPH0578787B2 (en) * | 1983-09-12 | 1993-10-29 | Tokyo Shibaura Electric Co | |
US5103342A (en) * | 1989-09-08 | 1992-04-07 | Dainippon Screen Mfg. Co., Ltd. | Apochromatic lens system |
JP2010133961A (en) * | 2008-12-05 | 2010-06-17 | General Electric Co <Ge> | Winding diagnostic system and method |
Also Published As
Publication number | Publication date |
---|---|
JPS5826261B2 (en) | 1983-06-01 |
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