JPS59117824A - On-gate circuit - Google Patents
On-gate circuitInfo
- Publication number
- JPS59117824A JPS59117824A JP23291782A JP23291782A JPS59117824A JP S59117824 A JPS59117824 A JP S59117824A JP 23291782 A JP23291782 A JP 23291782A JP 23291782 A JP23291782 A JP 23291782A JP S59117824 A JPS59117824 A JP S59117824A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- light emitting
- emitting element
- optical fiber
- oscillator
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
Abstract
Description
【発明の詳細な説明】
〔発明の技術分餠〕
本発明は直列接続したゲートターンオフサイリスクを同
時に駆動するメンゲート回路の改良に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Technical Summary of the Invention] The present invention relates to an improvement in a gate circuit that simultaneously drives gate turn-off circuits connected in series.
第１図に・従来のゲートターンオフサイリスタ（以後単
にＧＴＯと記す）の直列スイッチの構成の一例を示す。FIG. 1 shows an example of the configuration of a series switch of a conventional gate turn-off thyristor (hereinafter simply referred to as GTO).
図において、１１．１２゜１３．１４はＧＴＱ直列スイ
ッチを構成するユニットであり、ここでは４段の例を示
す。ＧＴＯ直列接続スイッチの両端の電圧によってユニ
ットの直列数が決まる。ユニット１１，１２゜１３．１
４は内部構成は全く同一である。１５゜１６、ｌ’ｌ、
１ＢはＧＴＯで中間点はユニット１１の筺体“に電位を
固定している。ゲート回路１９でＧＴＯＪ５〜１８のオ
ン・オフ制御を行なう。大地部の制御盤２０内のオン信
号発生回路２１より出力されるオン信号２２を発光素子
２３により光に変換し、光ファイバー２４を経由し、ユ
ニット１１〜１４に絶縁して伝送する。In the figure, 11.12° and 13.14 are units forming a GTQ series switch, and here an example of four stages is shown. The voltage across the GTO series connection switch determines the number of units in series. Unit 11, 12゜13.1
4 has exactly the same internal configuration. 15°16, l'l,
1B is a GTO, and the potential at the intermediate point is fixed to the housing of the unit 11. The gate circuit 19 performs on/off control of GTOJs 5 to 18. Output from the on signal generation circuit 21 in the control panel 20 at the ground level. The light emitting element 23 converts the ON signal 22 into light, and transmits it to the units 11 to 14 in an insulated manner via the optical fiber 24.
光信号をユニット内部の受光素子２５により電気信号２
６に変換し、ゲート回路１９に加える。The optical signal is converted into an electrical signal 2 by the light receiving element 25 inside the unit.
6 and added to the gate circuit 19.
オフ信号も同様にオフ信号発生回路２１より発光素子２
８、光ファイバー２９、受光素子３０を経由し、ゲート
回路１９に加える。１個のＧＴＯを例にとったオンゲー
ト回路の説明図を第２図に、タイムチャートを第３図に
示す。第２図において、第１図と同一符号は同一のもの
を示す。オン信号２６で発掘器３２を分周器３３で２つ
の互いに１８０°位相が異なる信号３４．３５に変換し
、トランジスタ３６．３７をそれぞれ交互に駆動し、パ
ルストランス３８に゛電圧を印加する。更にパルストラ
ンス３８の２次電圧をダイオード３９，４０，４１．４
２で整流し、ＧＴＯＩＩに連続的なオンゲート電圧４３
を印加する。Similarly, the off signal is sent to the light emitting element 2 from the off signal generation circuit 21.
8, applied to the gate circuit 19 via the optical fiber 29 and the light receiving element 30. An explanatory diagram of an on-gate circuit using one GTO as an example is shown in FIG. 2, and a time chart is shown in FIG. 3. In FIG. 2, the same reference numerals as in FIG. 1 indicate the same parts. When the ON signal 26 is applied, the excavator 32 is converted by the frequency divider 33 into two signals 34 and 35 having a phase difference of 180 degrees from each other, transistors 36 and 37 are alternately driven, and a voltage is applied to the pulse transformer 38. Furthermore, the secondary voltage of the pulse transformer 38 is connected to diodes 39, 40, 41.4.
2 to provide continuous on-gate voltage 43 to GTOII.
Apply.
光ファイバーの本数はユニット数に比例し、Ｇ Ｔ Ｏ
＠列スイッチが高電圧用になる程ユニット数が増加し、
光ファイバーの本数が増大し、価格が高くなる。また、
各ユニット内の発振器の周波徐及び位相が異なると、Ｇ
ＴＯのオンゲート電圧の印加開始のタイミングがずれ、
ターンオン過′１に圧により、ＧＴＯの素子破壊を生じ
たり、オンゲート電圧にすき間が生じ軽負荷時にオフす
る素子が発生し、ＧＴＯ素子破壊を生じる可能性がある
。The number of optical fibers is proportional to the number of units, and G T O
The number of units increases as @ row switches become higher voltage,
The number of optical fibers increases and the price increases. Also,
If the frequency and phase of the oscillators in each unit are different, G
The timing of starting the application of the TO on-gate voltage is shifted,
Excessive turn-on pressure may cause damage to the GTO element, or a gap may occur in the on-gate voltage, causing some elements to turn off at light loads, resulting in damage to the GTO element.
本発明の目的は、光ファイバーの長さを短かくし、かつ
発掘器を共通にすることにより、保守が容易で安価なＧ
ＴＯ直列スイッチのオンゲート回路を供給することにあ
る。The purpose of the present invention is to shorten the length of optical fibers and use a common excavator, thereby achieving easy maintenance and low cost.
The purpose of this invention is to provide an on-gate circuit for a TO series switch.
本発明はこの目的を達成するため、ＧＴＯ直列スイッチ
の中間点に発振器を有する中継ユニットを設けることを
特徴としたものである。In order to achieve this object, the present invention is characterized in that a relay unit having an oscillator is provided at the intermediate point of the GTO series switch.
本発明の一実施例を第４図、第５図、第６図に示す。第
４図、第５図、第６図で、第１図。An embodiment of the present invention is shown in FIGS. 4, 5, and 6. FIG. 4, FIG. 5, FIG. 6, and FIG.
第２図、第３図と同一符号は同一のものを示している。The same reference numerals as in FIGS. 2 and 3 indicate the same parts.
ＧＴＯ中間点の電位に中継ユニット４４を設け、大地電
位の制御盤２０のオン信号用発光素子２３．オフ信号用
発光素子２８より光ファイバー４５．４６を介し送られ
る。光信号を受光素子４１，４１１により電気信号４９
゜５０に変換する。オン信号は発振器３１を介し。A relay unit 44 is provided at the potential of the GTO midpoint, and the light emitting element 23 for ON signal of the control panel 20 at ground potential is provided. The light is sent from the off signal light emitting element 28 via optical fibers 45 and 46. The optical signal is converted into an electrical signal 49 by the light receiving elements 41 and 411.
Convert to ゜50. The on signal is sent via the oscillator 31.
発光素子５１、光ファイバー５２により、各ユニット１
１〜１４に送り、ゲート回路５３に入力する。オフ信号
はそのまま発光素子５４、光ファイバー５５を介して各
ユニット１１〜１４に送る。第５図は１個のＧＴＯを例
にとったオンゲート回路の詳細図を示し、発振器３１を
中継ユニット４４に酋く為、発光素子５ノの入力信号５
６、受光素子２５の出力信号５７は第６図に示す様に周
波砂信号であり、各ユニットの信号に位相のスレがない
。Each unit 1 is connected by a light emitting element 51 and an optical fiber 52.
1 to 14 and input to the gate circuit 53. The off signal is sent as it is to each unit 11 to 14 via the light emitting element 54 and the optical fiber 55. FIG. 5 shows a detailed diagram of the on-gate circuit using one GTO as an example. In order to connect the oscillator 31 to the relay unit 44, the input signal 5 of the light emitting element 5
6. The output signal 57 of the light receiving element 25 is a frequency sand signal as shown in FIG. 6, and there is no phase shift in the signals of each unit.
本発明によれば、一般に制御盤と高圧機器間の距離が長
い為ＧＴＯ直列スイッチの中間点に信号の中継ステージ
を設ける事によって直接制御盤から各ユニットに信号を
送るよりも光フアイバー全体の長さがバｌかくできる。According to the present invention, since the distance between the control panel and high-voltage equipment is generally long, by providing a signal relay stage at the midpoint of the GTO series switch, the length of the entire optical fiber is longer than when sending signals directly from the control panel to each unit. You can do a lot of work.
また発掘器を各ユニットに設けず、共通にすることで、
コストダウンができるだけでなく、複数個の発振器の周
波数、位相の同期をとる必要がなくなり、調整が簡単に
なり、信頼性も向上する。Also, by making the excavator common instead of providing it in each unit,
Not only can costs be reduced, but there is no need to synchronize the frequencies and phases of multiple oscillators, simplifying adjustment and improving reliability.
第２図は従来のオンゲート回路を示す回路図、第３図は
従来のオンゲート回路を説明するタイムチャート、第４
図は本発明の一実施例を示す回路図、第５図は第４図の
１部詳細図、第６図は本発明の一実施例を説明するタイ
ムチャートである。Figure 2 is a circuit diagram showing a conventional on-gate circuit, Figure 3 is a time chart explaining the conventional on-gate circuit, and Figure 4 is a circuit diagram showing a conventional on-gate circuit.
5 is a circuit diagram showing an embodiment of the present invention, FIG. 5 is a detailed view of a portion of FIG. 4, and FIG. 6 is a time chart illustrating an embodiment of the present invention.
１１〜１４・・・ユニット、１６〜１８・・・ＧＴＯ１
１９，６３・・・ゲート回路、２０・・・制御盤、２１
・・・オン信号発生回路、２２・・・オン信号、２３゜
２Ｂ、５１．５４・・・発光素子、２４，２９゜４５．
４６，５２．５６・・・光ファイバー、２５゜３０．４
７．４８・・・受光素子、２６・・・オン信号、２７・
・・オフ信号発生回路、３１・・・発掘器、３２゜５６
．５７・・・オンゲート用発振信号、３３・・・分周器
、３４．３６・・・オンゲート信−号、３６゜３７・・
・トランジスタ、３８・・・パルストランク、３９〜４
２・・・ダイオード、４３・・・オンゲート電圧、４４
・・・中継ユニット、４９・・・オン信号、５０′・・
・オフ信号、５３・・・ゲート回路。11-14...Unit, 16-18...GTO1
19, 63... Gate circuit, 20... Control panel, 21
. . . ON signal generation circuit, 22 . . . ON signal, 23° 2B, 51.54 .
46,52.56...Optical fiber, 25°30.4
7.48... Light receiving element, 26... On signal, 27.
...Off signal generation circuit, 31...Excavator, 32゜56
．． 57... Oscillation signal for on-gate, 33... Frequency divider, 34.36... On-gate signal, 36°37...
・Transistor, 38...Pulse trunk, 39-4
2... Diode, 43... On-gate voltage, 44
...Relay unit, 49...On signal, 50'...
- Off signal, 53...gate circuit.
出願人代理人 弁理士 鈴 江 武 彦第 １ 図 リ 第 ２ 問 「− 第５図 ４３Applicant's agent: Patent attorney Suzue Takehiko 1 li 2nd question “- Figure 5 43
Claims (1)
これらのゲートターンオフサイリスタを１駆動するゲー
ト回路とから成るユニットを所望個数直列接続して成る
ゲートターンオフサイリスタの１ｆｌｆ列スイッチにお
いて、この直列スイッチの中間力に発掘器を有する中継
制御ユニット回路を設け、該中継制御ユニット回路から
前記各ユニットへオンゲート信号を供給することを特徴
とするオンゲート回路。In a 1flf string switch of gate turn-off thyristors, which is formed by connecting a desired number of units in series, each consisting of a plurality of gate turn-off thyristors connected in series and a gate circuit for driving one of these gate turn-off thyristors, the intermediate power of the series switch is An on-gate circuit comprising: a relay control unit circuit having an excavator; the relay control unit circuit supplies an on-gate signal to each of the units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23291782A JPS59117824A (en) | 1982-12-24 | 1982-12-24 | On-gate circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23291782A JPS59117824A (en) | 1982-12-24 | 1982-12-24 | On-gate circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59117824A true JPS59117824A (en) | 1984-07-07 |
Family
ID=16946860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23291782A Pending JPS59117824A (en) | 1982-12-24 | 1982-12-24 | On-gate circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59117824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60253318A (en) * | 1984-05-30 | 1985-12-14 | Fuji Electric Co Ltd | Optical indirect ignition device of thyristor |
| JPS61205020A (en) * | 1985-03-04 | 1986-09-11 | レイセオン カンパニ− | Switching circuit |
| JPS63220716A (en) * | 1987-03-09 | 1988-09-14 | 株式会社日立製作所 | Stational variable frequency electric source |
-
1982
- 1982-12-24 JP JP23291782A patent/JPS59117824A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60253318A (en) * | 1984-05-30 | 1985-12-14 | Fuji Electric Co Ltd | Optical indirect ignition device of thyristor |
| JPH0414805B2 (en) * | 1984-05-30 | 1992-03-16 | Fuji Electric Co Ltd | |
| JPS61205020A (en) * | 1985-03-04 | 1986-09-11 | レイセオン カンパニ− | Switching circuit |
| JPS63220716A (en) * | 1987-03-09 | 1988-09-14 | 株式会社日立製作所 | Stational variable frequency electric source |
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