JPS6383941U - - Google Patents
Info
- Publication number
- JPS6383941U JPS6383941U JP17799786U JP17799786U JPS6383941U JP S6383941 U JPS6383941 U JP S6383941U JP 17799786 U JP17799786 U JP 17799786U JP 17799786 U JP17799786 U JP 17799786U JP S6383941 U JPS6383941 U JP S6383941U
- Authority
- JP
- Japan
- Prior art keywords
- power
- power line
- voltage
- current
- calculation unit
- 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 6
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Description
第１図は本考案に係る電力検出方式保護回路の
一実施例の回路構成図、第２図はその主要信号の
タイミングチヤートである。
１０……電源、２０……電力検出方式保護回路
、２１……電圧検出器、２２……電流検出器、２
３……演算部、２４……比較部、３０……保護装
置、４０……負荷、５０……電源ライン。
FIG. 1 is a circuit configuration diagram of an embodiment of a power detection type protection circuit according to the present invention, and FIG. 2 is a timing chart of its main signals. DESCRIPTION OF SYMBOLS 10... Power supply, 20... Power detection method protection circuit, 21... Voltage detector, 22... Current detector, 2
3...Arithmetic unit, 24...Comparison unit, 30...Protective device, 40...Load, 50...Power line.
Claims (1)
護装置を制御する電力検出方式保護回路であつて
、前記電源ラインの電圧を検出する電圧検出器と
、前記電源ラインの電流を検出する電流検出器と
、前記電圧検出器の検出波と前記電流検出器の検
出波とを乗算する演算部と、この演算部の演算結
果と予め設定してある基準電力値とに基づき、前
記保護装置を動作させる比較部とを具備している
ことを特徴とする電力検出方式保護回路。 A power detection type protection circuit that controls a protection device provided on a power line connecting a power source and a load, the voltage detector detecting the voltage of the power line and the current detector detecting the current of the power line. and a calculation unit that multiplies the detection wave of the voltage detector and the detection wave of the current detector, and operates the protection device based on the calculation result of the calculation unit and a preset reference power value. A power detection method protection circuit characterized by comprising a comparison section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17799786U JPS6383941U (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17799786U JPS6383941U (en) | 1986-11-19 | 1986-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6383941U true JPS6383941U (en) | 1988-06-01 |
Family
ID=31119715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17799786U Pending JPS6383941U (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383941U (en) |
-
1986
- 1986-11-19 JP JP17799786U patent/JPS6383941U/ja active Pending