JPS59101327U - Current zero point generation circuit for shield breakers - Google Patents
Current zero point generation circuit for shield breakersInfo
- Publication number
- JPS59101327U JPS59101327U JP20227182U JP20227182U JPS59101327U JP S59101327 U JPS59101327 U JP S59101327U JP 20227182 U JP20227182 U JP 20227182U JP 20227182 U JP20227182 U JP 20227182U JP S59101327 U JPS59101327 U JP S59101327U
- Authority
- JP
- Japan
- Prior art keywords
- zero point
- current zero
- generation circuit
- breakers
- shield
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来の典型的な電流零点発生回路で
ある。第３図、第４図及び第５図は、それぞれこの考案
の第１、第２及び第３実施例を示す回路図である。
ＩＯ・・・直流電流、ｌｃ・・・振動電流、Ｓ・・・し
ゃ断器、Ｃ・・・転流用コンデンサ、Ｃ，、Ｃ２・・・
補助コンデンサ、ｃｏ・・・プロツキングコンデン”ｔ
、Ｇ、 Ｇ１． Ｇ２・・・トリガギャップ、Ｌ、 Ｌ
、、 Ｌ２・・・コイル、ＳＲ・・・可飽和リアクトル
。1 and 2 are typical conventional current zero point generation circuits. 3, 4 and 5 are circuit diagrams showing the first, second and third embodiments of this invention, respectively. IO... DC current, lc... Oscillating current, S... Breaker, C... Commutation capacitor, C,, C2...
Auxiliary capacitor, co... blocking capacitor "t"
, G, G1. G2...Trigger gap, L, L
,, L2...Coil, SR...Saturable reactor.
Claims (1)
回路において、転流用コンデンサＣの放電電流に対して
無誘導となるコイルＬ、、 Ｌ２のあるしゃ断器用電流
零点発生回路。In a circuit that generates a current zero point in a breaker S using a forced commutation method, this circuit breaker current zero point generation circuit includes coils L, L2 that are non-inductive with respect to the discharge current of a commutation capacitor C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20227182U JPS59101327U (en) | 1982-12-24 | 1982-12-24 | Current zero point generation circuit for shield breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20227182U JPS59101327U (en) | 1982-12-24 | 1982-12-24 | Current zero point generation circuit for shield breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59101327U true JPS59101327U (en) | 1984-07-09 |
Family
ID=30427744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20227182U Pending JPS59101327U (en) | 1982-12-24 | 1982-12-24 | Current zero point generation circuit for shield breakers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59101327U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763715A (en) * | 1980-10-02 | 1982-04-17 | Tokyo Shibaura Electric Co | Dc breaker |
| JPS57124817A (en) * | 1981-01-28 | 1982-08-03 | Tokyo Shibaura Electric Co | Dc breaker unit |
-
1982
- 1982-12-24 JP JP20227182U patent/JPS59101327U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763715A (en) * | 1980-10-02 | 1982-04-17 | Tokyo Shibaura Electric Co | Dc breaker |
| JPS57124817A (en) * | 1981-01-28 | 1982-08-03 | Tokyo Shibaura Electric Co | Dc breaker unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59101327U (en) | Current zero point generation circuit for shield breakers | |
| JPS598289U (en) | power circuit | |
| JPS60114584U (en) | Overcurrent limit circuit for power supply circuit | |
| JPS5895183U (en) | dc machine | |
| JPS5915973U (en) | Josefson comparison circuit | |
| JPS5925498U (en) | Fusion device protection device | |
| JPS58108779U (en) | thyristor conversion device | |
| JPS59138780U (en) | Synthetic equivalent test circuit for breaker | |
| JPS5960829U (en) | DC ground fault protection relay | |
| JPS6055239U (en) | Motor overcurrent protection relay device | |
| JPS59185933U (en) | Abnormal voltage detector | |
| JPS59161349U (en) | Shunt reactor device | |
| JPS5925923U (en) | Distance relay device | |
| JPS6066019U (en) | square zero phase current transformer | |
| JPS5928269U (en) | motor protection device | |
| JPS6130118U (en) | power supply | |
| JPS5879840U (en) | Current transformer for overcurrent relay for circuit breakers | |
| JPS58131140U (en) | power supply | |
| JPS58117506U (en) | load control circuit | |
| JPS60174437U (en) | variable voltage power supply circuit | |
| JPS59193076U (en) | Color cathode ray tube degaussing device | |
| JPS60188381U (en) | voltage comparison circuit | |
| JPS59169548U (en) | Shunt reactor device | |
| JPS6138830U (en) | Overcurrent cutoff alarm device | |
| JPS58105737U (en) | reactive power relay |