JPS61158877U - - Google Patents
Info
- Publication number
- JPS61158877U JPS61158877U JP140884U JP140884U JPS61158877U JP S61158877 U JPS61158877 U JP S61158877U JP 140884 U JP140884 U JP 140884U JP 140884 U JP140884 U JP 140884U JP S61158877 U JPS61158877 U JP S61158877U
- Authority
- JP
- Japan
- Prior art keywords
- rectifier
- potential
- power supply
- constant voltage
- positive
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は交流回路電圧を検出する従来例を示す
回路図であり、第２図は本考案の実施例を示す回
路図、第３図は第２図における各部の電圧波形図
である。
１……交流回路、２……計器用変圧器、３……
整流器、４……コンパレータ、５……設定抵抗、
６……相電圧検出器、７……第２計器用変圧器、
１１……定電圧直流電源、１２……正極側抵抗、
１３……負極側抵抗、１４……減算器。
FIG. 1 is a circuit diagram showing a conventional example of detecting AC circuit voltage, FIG. 2 is a circuit diagram showing an embodiment of the present invention, and FIG. 3 is a voltage waveform diagram of each part in FIG. 1...AC circuit, 2...Instrument transformer, 3...
Rectifier, 4... Comparator, 5... Setting resistor,
6... Phase voltage detector, 7... Second instrument transformer,
11... Constant voltage DC power supply, 12... Positive electrode side resistance,
13...Negative electrode side resistance, 14...Subtractor.
Claims (1)
される整流器と、定電圧直流電源と、前記整流器
の正極側と定電圧直流電源の基準電位とを接続す
る回路に挿入される正極側抵抗と、前記整流器の
負極側と定電圧直流電源の正電位とを接続する回
路に挿入される負極側抵抗と、前記正極側抵抗の
整流器側電位と前記負極側抵抗の整流器側電位と
の差を演算する演算器とを備えてなる交流電圧検
出回路。 A rectifier connected to an ungrounded AC circuit on which a DC component is superimposed, a constant voltage DC power supply, and a positive side resistor inserted in a circuit connecting the positive side of the rectifier and a reference potential of the constant voltage DC power supply. , calculate the difference between the negative side resistor inserted in a circuit connecting the negative side of the rectifier and the positive potential of the constant voltage DC power supply, the rectifier side potential of the positive side resistor and the rectifier side potential of the negative side resistor; An AC voltage detection circuit comprising an arithmetic unit that performs the following operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP140884U JPS61158877U (en) | 1984-01-10 | 1984-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP140884U JPS61158877U (en) | 1984-01-10 | 1984-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61158877U true JPS61158877U (en) | 1986-10-02 |
Family
ID=30474127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP140884U Pending JPS61158877U (en) | 1984-01-10 | 1984-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158877U (en) |
-
1984
- 1984-01-10 JP JP140884U patent/JPS61158877U/ja active Pending