JPWO2020240781A5 - - Google Patents
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- JPWO2020240781A5 JPWO2020240781A5 JP2021521696A JP2021521696A JPWO2020240781A5 JP WO2020240781 A5 JPWO2020240781 A5 JP WO2020240781A5 JP 2021521696 A JP2021521696 A JP 2021521696A JP 2021521696 A JP2021521696 A JP 2021521696A JP WO2020240781 A5 JPWO2020240781 A5 JP WO2020240781A5
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- Prior art keywords
- switch
- valve
- terminal
- tap
- switching
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- 239000004020 conductor Substances 0.000 claims 13
- 230000007935 neutral effect Effects 0.000 claims 3
- 239000011810 insulating material Substances 0.000 claims 2
Claims (11)
前記第１タップ端子に第１バルブスイッチを介して接続され、前記第２タップ端子に第２バルブスイッチを介して接続されるバルブと、
前記第１タップ端子に第１抵抗スイッチを介して接続され、前記第１タップ端子に対して前記バルブと並列に接続される第１限流抵抗器と、
前記第２タップ端子に第２抵抗スイッチを介して接続され、前記第２タップ端子に対して前記バルブと並列に接続される第２限流抵抗器と、
前記第１タップ端子に対して前記バルブと並列に接続される第１通電スイッチと、
前記第２タップ端子に対して前記バルブと並列に接続される第２通電スイッチと、
前記第１通電スイッチ、前記第１バルブスイッチおよび前記第１抵抗スイッチを含む第１スイッチ組立と、
前記第２通電スイッチ、前記第２バルブスイッチおよび前記第２抵抗スイッチを含む第２スイッチ組立と、
前記バルブを開閉するバルブ開閉機構と、
３相交流のうち同相の切換開閉回路を構成する前記バルブ、前記バルブ開閉機構、前記第１スイッチ組立および前記第２スイッチ組立を支持するユニットベースと、を有し、
前記ユニットベースは、絶縁材料により形成され、
前記ユニットベースは、前記バルブおよび前記バルブ開閉機構を挟んで、第１側に前記第１スイッチ組立を支持し、第２側に前記第２スイッチ組立を支持する、
負荷時タップ切換器の切換開閉器。The first tap terminal and the second tap terminal connected to the tap selector of the tap switcher under load,
A valve connected to the first tap terminal via the first valve switch and connected to the second tap terminal via the second valve switch.
A first current limiting resistor connected to the first tap terminal via a first resistance switch and connected in parallel with the valve to the first tap terminal.
A second current limiting resistor connected to the second tap terminal via a second resistance switch and connected in parallel with the valve to the second tap terminal.
A first energization switch connected in parallel with the valve to the first tap terminal,
A second energization switch connected in parallel with the valve to the second tap terminal,
Assembling the first switch including the first energizing switch, the first valve switch and the first resistance switch,
A second switch assembly including the second energizing switch, the second valve switch and the second resistance switch,
A valve opening / closing mechanism that opens / closes the valve,
It has the valve, the valve opening / closing mechanism, and the unit base that supports the first switch assembly and the second switch assembly, which constitute an in-phase switching switching circuit among three-phase alternating currents.
The unit base is formed of an insulating material and is
The unit base sandwiches the valve and the valve opening / closing mechanism, and supports the first switch assembly on the first side and the second switch assembly on the second side.
Switching switch for the tap switch under load.
前記第１バルブスイッチは、前記共通端子と、前記バルブに接続されるバルブスイッチ端子と、前記共通端子および前記バルブスイッチ端子に対して当接および離間が可能なバルブスイッチ導体と、を有し、
前記第１抵抗スイッチは、前記共通端子と、前記第１限流抵抗器に接続される抵抗スイッチ端子と、前記共通端子および前記抵抗スイッチ端子に対して当接および離間が可能な抵抗スイッチ導体と、を有し、
前記第１スイッチ組立は、前記ユニットベースに固定される固定部を有し、
前記固定部は、前記共通端子と、前記共通端子に沿って並んで配置される前記通電スイッチ端子、前記バルブスイッチ端子および前記抵抗スイッチ端子と、を有する、
請求項３に記載の負荷時タップ切換器の切換開閉器。The first energizing switch can be brought into contact with and separated from the common terminal connected to the first tap terminal, the energizing switch terminal connected to the neutral point, the common terminal, and the energizing switch terminal. With an energizing switch conductor,
The first valve switch has the common terminal, a valve switch terminal connected to the valve, and a valve switch conductor capable of contacting and separating from the common terminal and the valve switch terminal.
The first resistance switch includes the common terminal, a resistance switch terminal connected to the first current limiting resistor, and a resistance switch conductor capable of contacting and separating from the common terminal and the resistance switch terminal. Have,
The first switch assembly has a fixed portion that is fixed to the unit base.
The fixing portion has the common terminal, the energization switch terminal arranged side by side along the common terminal, the valve switch terminal, and the resistance switch terminal.
The switching switch of the tap switching device at the time of load according to claim 3.
前記可動部は、通電スイッチバネを介して前記通電スイッチ導体を支持し、バルブスイッチバネを介して前記バルブスイッチ導体を支持し、抵抗スイッチバネを介して前記抵抗スイッチ導体を支持する、
請求項４に記載の負荷時タップ切換器の切換開閉器。The first switch assembly has a movable portion that is supported by the unit base via a parallel link and is movable with respect to the fixed portion.
The movable portion supports the energization switch conductor via an energization switch spring, supports the valve switch conductor via a valve switch spring, and supports the resistance switch conductor via a resistance switch spring.
The switching switch of the tap switching device at the time of load according to claim 4.
前記第１可動部は、前記第１通電スイッチが開極した状態での前記共通端子および前記通電スイッチ端子から前記通電スイッチ導体までの第１距離と、前記第１バルブスイッチが開極した状態での前記共通端子および前記バルブスイッチ端子から前記バルブスイッチ導体までの第２距離とが異なるように、前記通電スイッチ導体および前記バルブスイッチ導体を支持する、
請求項５に記載の負荷時タップ切換器の切換開閉器。The movable portion has a first movable portion that supports the current-carrying switch conductor and the valve switch conductor.
The first movable portion includes the common terminal when the first energization switch is open, the first distance from the energization switch terminal to the energization switch conductor, and the first valve switch when the pole is open. Supports the energized switch conductor and the valve switch conductor so that the common terminal and the second distance from the valve switch terminal to the valve switch conductor are different.
The switching switch of the tap switching device at the time of load according to claim 5.
前記第１可動部を前記固定部に対して移動させる第１カムと、前記第２可動部を前記固定部に対して移動させる第２カムと、前記第２カムの回転を制御する第２カム回転制御機構と、を有し、
前記第２カム回転制御機構は、
前記切換開閉器の切換動作の開始時に所定角度だけ前記第２カムを回転させて、前記第２可動部を移動させた後、
前記切換動作の終了まで前記第２カムを回転停止した状態に保持する、
請求項６に記載の負荷時タップ切換器の切換開閉器。The movable portion has a second movable portion that supports the resistance switch conductor.
A first cam that moves the first movable portion with respect to the fixed portion, a second cam that moves the second movable portion with respect to the fixed portion, and a second cam that controls the rotation of the second cam. Has a rotation control mechanism,
The second cam rotation control mechanism is
After rotating the second cam by a predetermined angle at the start of the switching operation of the switching switch to move the second movable portion,
The second cam is held in the state of being stopped in rotation until the end of the switching operation.
The switching switch of the tap switching device at the time of load according to claim 6.
蓄勢力の開放により、前記第１カムおよび前記バルブカムを回転させ、前記第２カム回転制御機構を動作させる蓄勢機構と、を有する、
請求項７に記載の負荷時タップ切換器の切換開閉器。The valve cam that operates the valve opening / closing mechanism and
It has a storage mechanism that rotates the first cam and the valve cam by releasing the storage force and operates the second cam rotation control mechanism.
The switching switch of the tap switching device at the time of load according to claim 7.
請求項７に記載の負荷時タップ切換器の切換開閉器。The first cam and the second cam are formed of an insulating material.
The switching switch of the tap switching device at the time of load according to claim 7.
前記第１抵抗スイッチが開極された状態で、前記第２可動部を中性点に接続する第２接続レバーと、を有する、
請求項８に記載の負荷時タップ切換器の切換開閉器。With the first energization switch and the first valve switch open, the first connection lever that connects the first movable portion to the neutral point,
With the first resistance switch open, it has a second connection lever that connects the second movable portion to the neutral point.
The switching switch of the tap switching device at the time of load according to claim 8.
前記タップ選択器と、を有する、
負荷時タップ切換器。The switching switch of the tap switching device at the time of loading according to any one of claims 3 to 10.
With the tap selector.
Tap switcher under load.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/021568 WO2020240781A1 (en) | 2019-05-30 | 2019-05-30 | Switching relay of load-tap-changer, and load-tap-changer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020240781A1 JPWO2020240781A1 (en) | 2020-12-03 |
| JPWO2020240781A5 true JPWO2020240781A5 (en) | 2022-01-24 |
| JP7119226B2 JP7119226B2 (en) | 2022-08-16 |
Family
ID=73552790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021521696A Active JP7119226B2 (en) | 2019-05-30 | 2019-05-30 | Change-over switch and on-load tap-changer for on-load tap-changers |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7119226B2 (en) |
| CN (1) | CN113874969A (en) |
| WO (1) | WO2020240781A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2023139643A1 (en) * | 2022-01-18 | 2023-07-27 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2653585B2 (en) * | 1991-09-19 | 1997-09-17 | 株式会社東芝 | Tap changer under load |
| JP3387238B2 (en) * | 1993-12-07 | 2003-03-17 | 富士電機株式会社 | Switching switch for vacuum valve type tap changer under load |
| JP4127571B2 (en) * | 1998-03-31 | 2008-07-30 | 株式会社東芝 | Load tap changer |
| JP2001015357A (en) * | 1999-07-02 | 2001-01-19 | Toshiba Corp | On-load tap changer |
| KR100814514B1 (en) * | 2006-01-27 | 2008-03-17 | 가부시끼가이샤 도시바 | On-load tap changer |
| JP4764318B2 (en) * | 2006-11-29 | 2011-08-31 | 株式会社東芝 | Load tap changer |
| DE102010019949A1 (en) * | 2010-05-08 | 2011-11-10 | Maschinenfabrik Reinhausen Gmbh | OLTC |
| JP5971674B2 (en) * | 2011-09-20 | 2016-08-17 | 株式会社東芝 | Load tap changer and its energy storage mechanism |
| JP6081082B2 (en) * | 2012-05-18 | 2017-02-15 | 株式会社東芝 | Load tap changer |
| JP2013247170A (en) * | 2012-05-24 | 2013-12-09 | Toshiba Corp | Changeover switch and on-load tap changer using the same |
| JP6483450B2 (en) * | 2015-01-27 | 2019-03-13 | 株式会社東芝 | Load tap changer |
-
2019
- 2019-05-30 CN CN201980096794.7A patent/CN113874969A/en active Pending
- 2019-05-30 JP JP2021521696A patent/JP7119226B2/en active Active
- 2019-05-30 WO PCT/JP2019/021568 patent/WO2020240781A1/en active Application Filing
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