JPS58128519U - Automatic trip device for polyphase AC circuit breakers - Google Patents
Automatic trip device for polyphase AC circuit breakersInfo
- Publication number
- JPS58128519U JPS58128519U JP2694382U JP2694382U JPS58128519U JP S58128519 U JPS58128519 U JP S58128519U JP 2694382 U JP2694382 U JP 2694382U JP 2694382 U JP2694382 U JP 2694382U JP S58128519 U JPS58128519 U JP S58128519U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- polyphase
- circuit breakers
- trip device
- switch
- 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
- Keying Circuit Devices (AREA)
- Emergency Protection Circuit Devices (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図は従来の開閉器自動引はずし装置の構成図、第２
図は本考案の一実施例による開閉器自動引はずし装置の
構成図、第３図は第２図における各部の電流波形図であ
る。
図において、１は三相交流電路、２は開閉器、３ａ、
３ｂ、 ３ｃは変流器、４ａ、 ４ｂ、 ４ｃは変
流器二次回路、５ａは過電流保護継電器、６は継電器コ
イル、７は継電器接点、８は開閉器用はずしコイル、９
は開閉器制御電源、１０ａ、 １０ｂ、 、。
１０Ｃは単相全波整流器、１８１は整流器直流出力回路
である。なお、図中、同一符号は同一、又は相当部分を
示す。Figure 1 is a configuration diagram of a conventional switch automatic tripping device, Figure 2
The figure is a block diagram of an automatic switch tripping device according to an embodiment of the present invention, and FIG. 3 is a current waveform diagram of each part in FIG. 2. In the figure, 1 is a three-phase AC line, 2 is a switch, 3a,
3b, 3c are current transformers, 4a, 4b, 4c are current transformer secondary circuits, 5a is an overcurrent protection relay, 6 is a relay coil, 7 is a relay contact, 8 is a switch disconnection coil, 9
are switch control power supplies, 10a, 10b, . 10C is a single-phase full-wave rectifier, and 181 is a rectifier DC output circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
各相に設置された複数の変流器と、これら変流器の二次
電流をそれぞれ全波整流する複数の単相全波整流器と、
これら単相全波整流器の直流出力を直列に接続する直流
出力回路と、この直流出力回路からの信号を入力とする
過電流保護継電器とを備え、上記過電流保護継電器の動
作により上記開閉器を開路するようにした多相交流電路
開閉器の自動用はずし装置。A switch that opens and closes a multi-phase AC line, a plurality of current transformers installed in each phase of the above-mentioned multi-phase AC line, and a plurality of single-phase full-wave rectifiers that perform full-wave rectification of the secondary currents of these current transformers. rectifier and
It is equipped with a DC output circuit that connects the DC outputs of these single-phase full-wave rectifiers in series, and an overcurrent protection relay that inputs the signal from this DC output circuit, and the switch is activated by the operation of the overcurrent protection relay. An automatic disconnection device for a multiphase AC circuit breaker that opens the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2694382U JPS58128519U (en) | 1982-02-24 | 1982-02-24 | Automatic trip device for polyphase AC circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2694382U JPS58128519U (en) | 1982-02-24 | 1982-02-24 | Automatic trip device for polyphase AC circuit breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58128519U true JPS58128519U (en) | 1983-08-31 |
Family
ID=30038867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2694382U Pending JPS58128519U (en) | 1982-02-24 | 1982-02-24 | Automatic trip device for polyphase AC circuit breakers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58128519U (en) |
-
1982
- 1982-02-24 JP JP2694382U patent/JPS58128519U/en active Pending
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