JPS5760817A - Stationary induction apparatus - Google Patents
Stationary induction apparatusInfo
- Publication number
- JPS5760817A JPS5760817A JP13688180A JP13688180A JPS5760817A JP S5760817 A JPS5760817 A JP S5760817A JP 13688180 A JP13688180 A JP 13688180A JP 13688180 A JP13688180 A JP 13688180A JP S5760817 A JPS5760817 A JP S5760817A
- Authority
- JP
- Japan
- Prior art keywords
- plates
- stays
- sound insulation
- tank
- insulation plates
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
Abstract
PURPOSE:To reduce the vibration propagated from the stays to the sound insulation plates, by a method wherein a plurality of stays are fitted to the side plates of a tank which contains a machine proper and sound insulation plates are supported between the stays by thin plates and heavy weights provided with dynamic vibration absorbers are fixed to the position close to the boundary of the thin plates and the sound insulation plates. CONSTITUTION:An electric apparatus proper 4 which consists of a core 4 and a winding 6 wound around the core 5 is contained in a tank 1 and the winding 6 is connected to outside bus-bars through the bushings 9 provided on top of the tank 1 and the tank 1 is filled with transformer oil 7. Then many reinforcing stays 3 are fitted on the outside walls of the tank 1 at a certain interval and in rectangular window portions made by those stays 3 thin plates 10 are welded and sound insulation plates 11 are fitted to those thin plates. In above configuration, annular heavy weights 12 provided with hynamic vibration absorbers 13 are fixed near the boundary of the thin plates 10 and the sound insulation plates 11. With above configuration the vibration propagated from the stays 3 to the sound insulation plates 11 is reduced so that the noises are reduced for a wide range of frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13688180A JPS5760817A (en) | 1980-09-30 | 1980-09-30 | Stationary induction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13688180A JPS5760817A (en) | 1980-09-30 | 1980-09-30 | Stationary induction apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5760817A true JPS5760817A (en) | 1982-04-13 |
| JPS636125B2 JPS636125B2 (en) | 1988-02-08 |
Family
ID=15185718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13688180A Granted JPS5760817A (en) | 1980-09-30 | 1980-09-30 | Stationary induction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5760817A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4514714A (en) * | 1982-02-20 | 1985-04-30 | Hitachi, Ltd. | Noise-reduction device for stationary induction apparatus |
| JPS622503A (en) * | 1985-06-27 | 1987-01-08 | Toshiba Corp | Static induction apparatus |
| JP5992653B1 (en) * | 2016-01-05 | 2016-09-14 | 三菱電機株式会社 | Rotating electric machine |
-
1980
- 1980-09-30 JP JP13688180A patent/JPS5760817A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4514714A (en) * | 1982-02-20 | 1985-04-30 | Hitachi, Ltd. | Noise-reduction device for stationary induction apparatus |
| JPS622503A (en) * | 1985-06-27 | 1987-01-08 | Toshiba Corp | Static induction apparatus |
| JP5992653B1 (en) * | 2016-01-05 | 2016-09-14 | 三菱電機株式会社 | Rotating electric machine |
| WO2017119059A1 (en) * | 2016-01-05 | 2017-07-13 | 三菱電機株式会社 | Rotating electrical machine |
| US11018549B2 (en) | 2016-01-05 | 2021-05-25 | Mitsubishi Electric Corporation | Rotating electric machine having dynamic vibration absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS636125B2 (en) | 1988-02-08 |
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