JPS55110014A - Tap switching mechanism at on-load - Google Patents
Tap switching mechanism at on-loadInfo
- Publication number
- JPS55110014A JPS55110014A JP1762779A JP1762779A JPS55110014A JP S55110014 A JPS55110014 A JP S55110014A JP 1762779 A JP1762779 A JP 1762779A JP 1762779 A JP1762779 A JP 1762779A JP S55110014 A JPS55110014 A JP S55110014A
- Authority
- JP
- Japan
- Prior art keywords
- side fixed
- fixed contact
- resistor
- tap
- selective
- 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
Landscapes
- Protection Of Transformers (AREA)
Abstract
PURPOSE: To minimize the damage to the device by providing a fusing element in a part of the circuit and by blowing the fusing element in case of interruption failure in a vacuum switch wherein the vacuum switch is provided between an odd number tap and an even number tap of a tap change-over device.
CONSTITUTION: Selective branches 2 and 3 which select even number taps and odd number taps respectively are connected to a transformer adjusting winding 1 consists of an on-load tap switching mechanism. The selective branch 2 also provides a conductor side fixed contact 6 and a resistor side fixed contact 7 which is connected in parallel with the conductor side fixed contact 6 and intervenes a current limiting resistor R1. The selective branch 3 also provides a resistor side fixed contact 9 which intervenes a current limiting resistor R2 and a conductor side fixed contact 8 which is connected in parallel with the resistor side fixed contact 9. Then, travelling contacts 10 and 11 are intervened between these contacts and vacuum switches VS1 and VS2 connected in series are provided and the middle point 12 is connected to the neutral point of the transformer. In this composition, a fusing element 13 consists of a fuse etc. is additionally provided between the selective branch 2 and the contact 6 to minimize the damage to the device.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1762779A JPS6040690B2 (en) | 1979-02-15 | 1979-02-15 | Tap switching device under load |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1762779A JPS6040690B2 (en) | 1979-02-15 | 1979-02-15 | Tap switching device under load |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55110014A true JPS55110014A (en) | 1980-08-25 |
JPS6040690B2 JPS6040690B2 (en) | 1985-09-12 |
Family
ID=11949097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1762779A Expired JPS6040690B2 (en) | 1979-02-15 | 1979-02-15 | Tap switching device under load |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6040690B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102832075A (en) * | 2011-06-15 | 2012-12-19 | 上海华明电力设备集团有限公司 | Double vacuum tube transition circuit of vacuum on-load tap-changer |
-
1979
- 1979-02-15 JP JP1762779A patent/JPS6040690B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102832075A (en) * | 2011-06-15 | 2012-12-19 | 上海华明电力设备集团有限公司 | Double vacuum tube transition circuit of vacuum on-load tap-changer |
Also Published As
Publication number | Publication date |
---|---|
JPS6040690B2 (en) | 1985-09-12 |
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