JPS6334419Y2 - - Google Patents
Info
- Publication number
- JPS6334419Y2 JPS6334419Y2 JP1983106155U JP10615583U JPS6334419Y2 JP S6334419 Y2 JPS6334419 Y2 JP S6334419Y2 JP 1983106155 U JP1983106155 U JP 1983106155U JP 10615583 U JP10615583 U JP 10615583U JP S6334419 Y2 JPS6334419 Y2 JP S6334419Y2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- electromagnetic relay
- cam switch
- tap changer
- tap
- 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.)
- Expired
Links
- 230000000630 rising effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Protection Of Transformers (AREA)
- Protection Of Generators And Motors (AREA)
Description
【考案の詳細な説明】
この考案は、タツプ切換器の駆動制御装置、特
に駆動開放機構や逆相継電器のような特別な機器
を必要としない駆動制御装置に関するものであ
る。[Detailed Description of the Invention] This invention relates to a drive control device for a tap changer, particularly a drive control device that does not require special equipment such as a drive release mechanism or a reverse phase relay.
一般に、タツプ切換器は、上昇方向および下降
方向において或る限度を越えて動作し続けると、
タツプ切換器自体が破壊される極限位置を有する
ものである。この種のタツプ切換器の駆動制御装
置には、上限タツプ位置および下限タツプ位置を
越える動作を防止し、ひいてはタツプ切換器を保
護するための鎖錠装置が必要である。従来の装置
は、駆動電動機電源の極性を誤つて接続した場合
有効に働かないため、駆動電動機の機械出力をタ
ツプ切換器から切り離す駆動開放機構を併用して
いる。また、電気的に一般に用いられているもの
として逆相継電器がある。この逆相継電器は、
別々の位相によつて励磁される３個のコイルから
成り、誘導の原理によつて回路を開閉するもので
ある。このような保護装置は、構造が複雑かつ寸
法が大きく、タツプ切換器の駆動制御装置に収容
しようとすればハウジングが大きくなるだけでな
く、信頼度の低下にもつながる。また、機器の価
格も高くなる。 Generally, if a tap changer continues to operate beyond a certain limit in the up and down directions,
There is an extreme position at which the tap changer itself is destroyed. This type of drive control device for a tap changer requires a locking device to prevent operation beyond the upper and lower tap positions and to protect the tap changer. Conventional devices do not work effectively if the polarity of the drive motor power supply is connected incorrectly, so they also use a drive release mechanism that disconnects the mechanical output of the drive motor from the tap changer. In addition, there is a negative phase relay that is commonly used electrically. This reverse phase relay is
It consists of three coils excited by different phases and opens and closes the circuit according to the principle of induction. Such a protection device has a complex structure and large size, and if it is intended to be accommodated in the drive control device of the tap changer, the housing will not only become large but also lead to a decrease in reliability. Moreover, the price of the equipment also increases.
この考案は、以上のような欠点を除くためにな
されたものである。以下、この考案を添付図面に
示した一実施例について詳しく説明する。第１図
において、１，２はタツプ切換器（図示しない）
の切換中に連動して閉じるそれぞれ第１カムスイ
ツチ、第２カムスイツチ（上昇時は１→２の順に
閉じ、下降時は逆に２→１の順に閉じる）、３，
４は第１カムスイツチ１、第２カムスイツチ２が
閉じることによつて励磁されるそれぞれ第１電磁
継電器、第２電磁継電器、３ａ，３a′，３ｂは第
１電磁継電器３のそれぞれ第１のａ接点、第２の
ａ接点、そしてｂ接点、また、４ａ，４a′，４ｂ
は第２電磁継電器４のそれぞれ第１のａ接点、第
２のａ接点そしてｂ接点、５はタツプ切換器の切
換中に閉じる接点、６はタツプ切換器動作用駆動
電動機（図示しない）のトリツプコイル、７は上
昇時に閉じる接点、８は下降時に閉じる接点であ
る。 This invention was made to eliminate the above-mentioned drawbacks. Hereinafter, one embodiment of this invention shown in the accompanying drawings will be described in detail. In Figure 1, 1 and 2 are tap changers (not shown)
The first cam switch and the second cam switch, which are closed in conjunction with each other during switching (close in the order of 1 → 2 when ascending, and reversely close in the order of 2 → 1 when descending), 3,
4 is a first electromagnetic relay and a second electromagnetic relay, which are excited when the first cam switch 1 and second cam switch 2 are closed; 3a, 3a', and 3b are first a contacts of the first electromagnetic relay 3, respectively; , the second a contact, and the b contact, also 4a, 4a', 4b
are the first a contact, second a contact, and b contact of the second electromagnetic relay 4, 5 is a contact that closes during switching of the tap changer, and 6 is a trip coil of a drive motor (not shown) for operating the tap changer. , 7 is a contact that closes when rising, and 8 is a contact that closes when falling.
次にこの考案の駆動制御装置の動作を、第２図
を参照しながら説明する。今タツプ切換器が規定
停止範囲内のタツプ位置Ａにある時点t1では、第
１カムスイツチ１、第２カムスイツチ２は両方共
開いている。この状態で電源の極性を正しく駆動
電動機に接続している場合は、上昇時に閉じる接
点７が閉じられると駆動電動機はタツプ切換器を
タツプ位置Ｂの方向に回転させ始める。まず、タ
ツプ切換器の切換中に閉じる接点５が閉じる。そ
れから時点t2で第１カムスイツチ１が閉じると、
第１電磁継電器３は励磁されてその第１のａ接点
３ａおよび第２のａ接点３a′を閉じかつそのｂ接
点３ｂを開く。そして次に時点t3で第２カムスイ
ツチ２が閉じ、第２電磁継電器４が励磁されよう
とするが、この時すでに第１電磁継電器３のｂ接
点３ｂが開いているので、第２電磁継電器４は励
磁されない。次に時点t4で第１カムスイツチ１が
開いても、第１のａ接点３ａが閉じているため自
己保持回路が形成され続け、第２電磁継電器４は
励磁されない。そして、時点t5で第２カムスイツ
チ２が開き、その後接点５が開く。接点５は、タ
ツプ切換中閉じているため、タツプ切換中のみこ
の回路は形成される。よつて、タツプ位置Ｂの手
前で自己保持回路は解かれる。次にタツプ切換器
を下降方向に動作させる場合を説明する。今タツ
プ切換器が規定停止範囲内のタツプ位置Ｂにある
時、第１カムスイツチ１、第２カムスイツチ２は
両方共開いている。この状態で電源の極性を正し
く駆動電動機に接続している場合は、下降時に閉
じる接点８が閉じられると駆動電動機はタツプ切
換器をタツプ位置Ａの方向に回転させ始める。ま
ず、タツプ切換器の切換中に閉じる接点５が閉じ
る。それから時点t5で第２カムスイツチ２が閉じ
ると第２電磁継電器４は励磁されてその第１のａ
接点４ａ、第２のａ接点４a′を閉じかつそのｂ接
点４ｂを開く。そして次に時点t4で第１カムスイ
ツチ１が閉じ、第１電磁継電器３が励磁されよう
とするが、この時すでに第２電磁継電路４のｂ接
点４ｂが開いているので、第１電磁継電器３は励
磁されない。次に時点t3で第２カムスイツチ２が
開いても、第１のａ接点４ａが閉じているため自
己保持回路が形成され続け、第１電磁継電器３は
励磁されない。そして時点t2で第１カムスイツチ
１が開き、その後接点５が開いてタツプ位置Ａの
手前が自己保持回路は解かれる。このように電源
が正常に駆動電動機に接続されている場合は、上
昇時と下降時のどちらにおいてもトリツプコイル
６が励磁されることはなく、正常な切換操作を得
ることができる。 Next, the operation of the drive control device of this invention will be explained with reference to FIG. At time t1 , when the tap changer is now at tap position A within the specified stop range, both the first cam switch 1 and the second cam switch 2 are open. In this state, if the polarity of the power source is correctly connected to the drive motor, the drive motor begins to rotate the tap changer in the direction of tap position B when the contact 7 that closes when rising is closed. First, the contact 5, which is closed during switching of the tap changer, is closed. Then, at time t 2 , the first cam switch 1 closes;
The first electromagnetic relay 3 is energized to close its first a contact 3a and second a contact 3a' and open its b contact 3b. Then, at time t3 , the second cam switch 2 closes and the second electromagnetic relay 4 is about to be energized, but at this time the b contact 3b of the first electromagnetic relay 3 is already open, so the second electromagnetic relay 4 is not excited. Next, even if the first cam switch 1 opens at time t4 , the self-holding circuit continues to be formed because the first a contact 3a is closed, and the second electromagnetic relay 4 is not energized. Then, at time t5 , the second cam switch 2 opens, and then the contact 5 opens. Contact 5 is closed during a tap change, so that this circuit is only formed during a tap change. Therefore, the self-holding circuit is released before the tap position B is reached. Next, the case of operating the tap changer in the downward direction will be explained. When the tap changer is now at tap position B within the specified stop range, both the first cam switch 1 and the second cam switch 2 are open. In this state, if the polarity of the power source is correctly connected to the drive motor, the drive motor begins to rotate the tap changer in the direction of the tap position A when the contact 8 that closes when descending is closed. First, the contact 5, which is closed during switching of the tap changer, is closed. Then, at time t5 , when the second cam switch 2 closes, the second electromagnetic relay 4 is energized and its first a
The contact 4a, the second a contact 4a' is closed and its b contact 4b is opened. Next, at time t4 , the first cam switch 1 closes and the first electromagnetic relay 3 is about to be energized, but at this time the B contact 4b of the second electromagnetic relay path 4 is already open, so the first electromagnetic relay 3 is not excited. Next, even if the second cam switch 2 opens at time t3 , the self-holding circuit continues to be formed because the first a contact 4a is closed, and the first electromagnetic relay 3 is not excited. Then, at time t2 , the first cam switch 1 opens, and then the contact 5 opens, and the self-holding circuit is released before the tap position A. In this way, when the power source is normally connected to the drive motor, the trip coil 6 is not energized either during ascending or descending, and a normal switching operation can be obtained.
しかしながら、タツプ切換器が規定停止範囲内
の例えばタツプ位置Ｂにあつて第１カムスイツチ
１、第２カムスイツチが両方共開いている状態で
電源の極性を誤つて駆動電動機に接続した場合
は、たとえばタツプ切換器を上昇方向に動作させ
ようと思つている時は、接点７が閉じられると、
駆動電動機はタツプ切換器を逆転させ始め、タツ
プ切換器はタツプ位置Ｂからタツプ位置Ａの方向
に回転し始める。それから第２カムスイツチ２が
閉じると、第２電磁継電器４は接点５が閉じてい
るため励磁される。そのために第２のａ接点４
a′閉じ、接点７も閉じているため、ドリツプコイ
ル６を励磁してトリツプ回路（図示しない）を形
成し、もつて駆動電動機保護用開閉器（図示しな
い）を開くので駆動電動機は停止し、タツプ切換
器は保護される。また、逆にタツプ切換器がタツ
プ位置Ｂにあつて、タツプ切換器を下降方向に動
作させようと思つている時に、タツプ切換器が逆
転して、タツプ位置Ｂからタツプ位置Ｃに向つて
回転し始めると、下降時に閉じる接点８と第１電
磁継電器の第２のａ接点３a′とが閉じてトリツプ
回路を形成し、同時に駆動電動機保護用開閉器
（図示しない）が開き、駆動電動機が停止するの
で、タツプ切換器が保護されることになる。 However, if the tap changer is within the specified stop range, for example at tap position B, and the first cam switch 1 and the second cam switch are both open and the power supply is connected to the drive motor with the wrong polarity, for example When you intend to operate the switch in the upward direction, when contact 7 is closed,
The drive motor begins to reverse the tap changer and the tap changer begins to rotate from tap position B to tap position A. When the second cam switch 2 is then closed, the second electromagnetic relay 4 is energized because the contacts 5 are closed. For this purpose, the second a contact 4
Since a' is closed and contact 7 is also closed, the drip coil 6 is energized to form a trip circuit (not shown), which in turn opens the drive motor protection switch (not shown), so the drive motor stops and the tap is closed. The switch is protected. Conversely, when the tap changer is at tap position B and you intend to move the tap changer in the downward direction, the tap changer reverses and rotates from tap position B to tap position C. When the drop begins, the contact 8 that closes when descending and the second a contact 3a' of the first electromagnetic relay close to form a trip circuit, and at the same time, the drive motor protection switch (not shown) opens and the drive motor stops. Therefore, the tap changer is protected.
このように、鎖錠装置または逆相継電器のよう
な特別な機器なしで完全にタツプ切換器を保護で
きるだけでなく、第１カムスイツチ１、第２カム
スイツチ２は１タツプ切換え毎に360゜の回転を利
用しているのでカムスイツチのシーケンス調整が
極めて容易に行える。 In this way, not only can the tap changer be completely protected without special equipment such as locking devices or reverse phase relays, but also the first cam switch 1 and the second cam switch 2 can rotate 360 degrees for each tap change. Because it is used, it is extremely easy to adjust the cam switch sequence.
以上のように、この考案によつて安価かつ信頼
度の高い駆動制御装置を提供できる。 As described above, this invention makes it possible to provide an inexpensive and highly reliable drive control device.
第１図はこの考案によるタツプ切換器の駆動制
御装置の一実施例を示す電気接続図、第２図は第
１図に示した駆動制御装置に使用されるカムスイ
ツチと接点の動作シーケンスを示す展開図であ
る。
１……第１カムスイツチ、２……第２カムスイ
ツチ、３……第１電磁継電器、３ａ……第１電磁
継電器の第１のａ接点、３a′……第１電磁継電器
の第２のａ接点、３ｂ……第１電磁継電器のｂ接
点、４……第２電磁継電器、４ａ……第２電磁継
電器の第１のａ接点、４a′……第２電磁継電器の
第２のａ接点、４ｂ……第２電磁継電器のｂ接
点、５……タツプの切換中に閉じる接点、６……
トリツプコイル、７……上昇時に閉じる接点、８
……下際時に閉じる接点。尚、図中、同一符号は
同一又は相当部分を示す。
Fig. 1 is an electrical connection diagram showing an embodiment of the drive control device for a tap changer according to this invention, and Fig. 2 is a development showing the operating sequence of the cam switch and contacts used in the drive control device shown in Fig. 1. It is a diagram. 1... First cam switch, 2... Second cam switch, 3... First electromagnetic relay, 3a... First a contact of the first electromagnetic relay, 3a'... Second a contact of the first electromagnetic relay. , 3b...B contact of the first electromagnetic relay, 4...Second electromagnetic relay, 4a...First A contact of the second electromagnetic relay, 4a'...Second A contact of the second electromagnetic relay, 4b ...B contact of the second electromagnetic relay, 5... Contact that closes during tap switching, 6...
Trip coil, 7...Contact that closes when rising, 8
...Contact that closes at the bottom. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
イツチと第１電磁継電器と第２電磁継電器のｂ接
点とタツプの切換中に閉じる接点とを第１電源と
第２電源の間で直列に接続し、前記タツプ切換器
の下降時に先に閉じる第２カムスイツチと前記第
２電磁継電器と前記第１電磁継電器のｂ接点と前
記タツプの切換中に閉じる接点とを前記第１電源
と前記第２電源の間で直列に接続し、前記第１カ
ムスイツチと並列に前記第１電磁継電器の第１の
ａ接点を接続し、前記第２カムスイツチと並列に
前記第２電磁継電器の第１のａ接点を接続し、 また、前記タツプ切換器の上昇時に閉じる接点
と前記第２電磁継電器の第２のａ接点とからなる
直列回路と、前記タツプ切換器の下降時に閉じる
接点と前記第１電磁継電器の第２のａ接点とから
なる直列回路とを並列接続した上でタツプ切換器
動作用駆動電動機のトリツプコイルと直列に接続
したことを特徴とするタツプ切換器の駆動制御装
置。[Claims for Utility Model Registration] The first cam switch, which closes first when the tap changer is raised, the B contacts of the first electromagnetic relay, and the second electromagnetic relay, and the contacts that close during tap switching are connected to the first power source and the second power source. A second cam switch, a second electromagnetic relay, a B contact of the first electromagnetic relay, and a contact that closes during switching of the tap are connected in series between the second cam switch, which closes first when the tap changer is lowered, and the second electromagnetic relay. A power supply and the second power supply are connected in series, a first a contact of the first electromagnetic relay is connected in parallel with the first cam switch, and a first a contact of the second electromagnetic relay is connected in parallel with the second cam switch. a series circuit consisting of a contact that closes when the tap changer is raised and a second a contact of the second electromagnetic relay; a contact that closes when the tap changer falls; 1. A drive control device for a tap changer, characterized in that a series circuit consisting of a second a-contact of an electromagnetic relay is connected in parallel and connected in series with a trip coil of a drive motor for operating the tap changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10615583U JPS6014633U (en) | 1983-07-06 | 1983-07-06 | Tap changer drive control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10615583U JPS6014633U (en) | 1983-07-06 | 1983-07-06 | Tap changer drive control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6014633U JPS6014633U (en) | 1985-01-31 |
| JPS6334419Y2 true JPS6334419Y2 (en) | 1988-09-13 |
Family
ID=30248532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10615583U Granted JPS6014633U (en) | 1983-07-06 | 1983-07-06 | Tap changer drive control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6014633U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690335A (en) * | 1979-12-24 | 1981-07-22 | Fujitsu Ltd | Coordinate input unit of tablet device |
-
1983
- 1983-07-06 JP JP10615583U patent/JPS6014633U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5690335A (en) * | 1979-12-24 | 1981-07-22 | Fujitsu Ltd | Coordinate input unit of tablet device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6014633U (en) | 1985-01-31 |
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