JPS62152638U - - Google Patents
Info
- Publication number
- JPS62152638U JPS62152638U JP3501587U JP3501587U JPS62152638U JP S62152638 U JPS62152638 U JP S62152638U JP 3501587 U JP3501587 U JP 3501587U JP 3501587 U JP3501587 U JP 3501587U JP S62152638 U JPS62152638 U JP S62152638U
- Authority
- JP
- Japan
- Prior art keywords
- protection
- electrical quantity
- circuit
- control device
- compared
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Feedback Control In General (AREA)
- Safety Devices In Control Systems (AREA)
Description
第１図は本考案の実施例による保護制御装置の
概略構成図、第２図、第４図は電源回路図、第３
図は過電流保護特性図、第５図は従来の過電流保
護装置の概略構成図、第６図は本考案に使用する
中央保護制御装置の概略構成図を示している。
１…配線用しや断器、２…電磁開閉器、３…電
流検出部、４…中央保護制御装置、５…電流・パ
ルス変換装置、６１…入力部、６２…入力バツフ
アメモリ、６３…信号選択回路、６４，６７…比
較判断回路、６５，６８…記憶装置、６６…演算
回路、６９…出力バツフアメモリ、７０…出力部
。
FIG. 1 is a schematic configuration diagram of a protection control device according to an embodiment of the present invention, FIGS. 2 and 4 are power supply circuit diagrams, and FIG.
The figure shows an overcurrent protection characteristic diagram, FIG. 5 shows a schematic diagram of a conventional overcurrent protection device, and FIG. 6 shows a schematic diagram of a central protection control device used in the present invention. 1...Wiring sheath breaker, 2...Electromagnetic switch, 3...Current detection section, 4...Central protection control device, 5...Current/pulse conversion device, 61...Input section, 62...Input buffer memory, 63...Signal selection Circuits, 64, 67... Comparison/judgment circuit, 65, 68... Storage device, 66... Arithmetic circuit, 69... Output buffer memory, 70... Output unit.
Claims (1)
気量検出機構とを有する保護機器と、中央に設け
られ、前記各電気量検出機構からデイジタルパル
ス信号に変換されて伝送されてくる検出電気量を
サンプリングして順次読み取り、この読み取られ
た検出電気量を記憶装置に記憶された許容過電流
・地絡電流特性、許容過負荷特性等の保護特性デ
ータと比較判断し、この比較判断結果と、上位、
下位の保護機器の選択しや断を可能とするために
予めプログラムされた動作協調特性とに基づき対
応する保護機器の電路開閉操作機構に動作指令を
出力する中央保護制御装置とからなることを特徴
とする保護制御装置。 A protective device having a circuit opening/closing operation mechanism and a circuit electrical quantity detection mechanism provided in each electrical circuit, and a protection device provided in the center that detects the detected electrical quantity converted into a digital pulse signal and transmitted from each electrical quantity detection mechanism. Sampling and sequentially reading the detected electricity quantity is compared with protective characteristic data such as allowable overcurrent/earth fault current characteristics and allowable overload characteristics stored in the storage device, and the result of this comparison is compared with the upper ,
It is characterized by consisting of a central protection control device that outputs operation commands to the electric circuit opening/closing operation mechanism of the corresponding protection device based on pre-programmed operation coordination characteristics to enable selection and disconnection of lower-level protection devices. protection control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3501587U JPS62152638U (en) | 1987-03-10 | 1987-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3501587U JPS62152638U (en) | 1987-03-10 | 1987-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62152638U true JPS62152638U (en) | 1987-09-28 |
Family
ID=30844116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3501587U Pending JPS62152638U (en) | 1987-03-10 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62152638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213230A (en) * | 1987-03-02 | 1988-09-06 | 株式会社東芝 | Operation time measuring system for switch device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5076537A (en) * | 1973-11-12 | 1975-06-23 |
-
1987
- 1987-03-10 JP JP3501587U patent/JPS62152638U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5076537A (en) * | 1973-11-12 | 1975-06-23 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213230A (en) * | 1987-03-02 | 1988-09-06 | 株式会社東芝 | Operation time measuring system for switch device |
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