JPS60129673U - Overcurrent indicator control circuit - Google Patents
Overcurrent indicator control circuitInfo
- Publication number
- JPS60129673U JPS60129673U JP1635884U JP1635884U JPS60129673U JP S60129673 U JPS60129673 U JP S60129673U JP 1635884 U JP1635884 U JP 1635884U JP 1635884 U JP1635884 U JP 1635884U JP S60129673 U JPS60129673 U JP S60129673U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- negative terminal
- control circuit
- series circuit
- substation
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案を具体化した過電流表示器の制御回路
図、第２図は従来の過電流表示器の制御回路図である。
２・・・・・・全波整流器、Ｌ・・・・・・電線、ＳＣ
Ｒｌ〜５ＣＲ３・・・・・・サイリスタ、Ｘ・・・・・
・リレー、Ｘａｌ・・・・・・第１のａ接点、ｘａ２・
・・・・・第２のａ接点、ｘｂ・・・・・・ｂ接点、Ｒ
８・・・・・・ロータリーソレノイド、Ｒ１−Ｒ１５・
・・・・・抵抗１，０１〜Ｃ５・曲・コンデンサ、ＺＤ
−−−−−−ツェナーダイオード、Ｄ１〜Ｄ３・・・・
・・ダイオード、ＴＳ・・−・・・・電子タイマースイ
ッチ回路、ＤＣ・・・・・・トリップ検出回路。FIG. 1 is a control circuit diagram of an overcurrent indicator embodying this invention, and FIG. 2 is a control circuit diagram of a conventional overcurrent indicator. 2...Full wave rectifier, L...Electric wire, SC
Rl~5CR3... Thyristor, X...
・Relay, Xal... 1st a contact, xa2・
...Second a contact, xb...B contact, R
8...Rotary solenoid, R1-R15.
...Resistance 1,01~C5/Song/Capacitor, ZD
--------Zener diode, D1~D3...
...Diode, TS...Electronic timer switch circuit, DC...Trip detection circuit.
Claims (1)
を接続し、その全波整流器２のプラス端子からマイナス
端子にかけて接続したリレーＸのｂ接点ｘｂと一定値以
上の電圧により動作する第１のスイッチング素子ＳＣＲ
ｌとリレーＸとからなる直列回路と、 全波整流器２のプラス端子とリレーＸのプラス端子に接
続したリレーＸの自己保持用の第１のａ接点Ｘａｌと、 前記リレーＸの第２のａ接点Ｘａ２と表示部を駆動させ
るための駆動装置′Ｒ８とからなる直列回路と、 過電流が電線りに流れて変電所のＣＢがトリップしたと
きに検出動作して第２のスイッチング素子ＳＣＲ２をＯ
Ｎさせるトリップ検出回路ＤＣと、 前記変電所のＣＢがトリップして前記リレーＸが励磁さ
れた際に前記トリップ検出回路ＤＣの第２のスイッチン
グ素子ＳＣＲ２を介してリレーＸ１第２のａ接点Ｘａ２
の直列回路に対し所定時間駆動電流を供給する駆動装置
Ｒ３用の駆動用電源Ｃ１と、 変電所のＣＢがトリップした後に前記リレーＸに所定時
間励磁電流を供給するリレーＸ励磁用の電源Ｃ２と、 前記リレーＸが励磁されてから所定時間後にリレーＸの
励磁を解除する電子タイマースイッチ回路さと から構成したことを特徴とする過電流表示器の制御回路
。 ２ 前記電子タイマースイッチ回路ＴＳは前記り □
レーＸのプラス端子と前記全波整流器２のマイナス側子
にかけてサイリスタＳＣＲ３を接続し、前駆リレーＸの
マイナス側端子と全波整流器２のマイナス端子との間に
接続したダイオードＤ２の両端子に対し抵抗Ｒ１４とコ
ンデンサＣ４とからなる直列回路を接続し、前記サイリ
スタＳＣＲ３のゲート端子を抵抗Ｒ１４のマイナス端子
に接続して構成したものである実用新案登録請求の範囲
第１項に記載の過電流表示器の制御回路。[Claims for Utility Model Registration] 1. A full-wave rectifier 2 in a current transformer CT installed in the electric wire.
and the b contact xb of the relay X connected from the positive terminal to the negative terminal of the full wave rectifier 2, and the first switching element SCR which is operated by a voltage of a certain value or more.
a series circuit consisting of the relay A series circuit consisting of a contact Xa2 and a drive device 'R8 for driving the display section, and when an overcurrent flows through the wire and the substation CB trips, a detection operation is performed to turn the second switching element SCR2 on.
a trip detection circuit DC that causes the relay
a driving power source C1 for the drive device R3 that supplies a driving current for a predetermined time to the series circuit of the substation, and a power source C2 for excitation of the relay X that supplies an excitation current to the relay X for a predetermined time after the CB of the substation trips. A control circuit for an overcurrent indicator, comprising: an electronic timer switch circuit that de-energizes the relay X after a predetermined time after the relay X is energized. 2 The electronic timer switch circuit TS is as described above □
A thyristor SCR3 is connected between the positive terminal of the relay X and the negative terminal of the full-wave rectifier 2, and a thyristor SCR3 is connected between the negative terminal of the precursor relay The overcurrent indicator according to claim 1, which is registered as a utility model, is configured by connecting a series circuit consisting of a resistor R14 and a capacitor C4, and connecting the gate terminal of the thyristor SCR3 to the negative terminal of the resistor R14. control circuit of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1635884U JPS60129673U (en) | 1984-02-07 | 1984-02-07 | Overcurrent indicator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1635884U JPS60129673U (en) | 1984-02-07 | 1984-02-07 | Overcurrent indicator control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60129673U true JPS60129673U (en) | 1985-08-30 |
Family
ID=30503055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1635884U Pending JPS60129673U (en) | 1984-02-07 | 1984-02-07 | Overcurrent indicator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129673U (en) |
-
1984
- 1984-02-07 JP JP1635884U patent/JPS60129673U/en active Pending
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