JPS6417472U - - Google Patents
Info
- Publication number
- JPS6417472U JPS6417472U JP11240387U JP11240387U JPS6417472U JP S6417472 U JPS6417472 U JP S6417472U JP 11240387 U JP11240387 U JP 11240387U JP 11240387 U JP11240387 U JP 11240387U JP S6417472 U JPS6417472 U JP S6417472U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- voltage
- hall element
- transformer
- power transducer
- 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
- 238000004804 winding Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は第１図の一部分を示し、変成器を等価回路
に置き換えた回路図、第３図は従来の電力トラン
スデユーサの回路図である。
図において、１１はホール素子、１２は演算増
幅器、１５は変成器、Ｒ１，Ｒ３及びＲ１１は抵
抗である。なお、各図中同一符号は同一または相
当部分を示す。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a circuit diagram showing a part of Fig. 1, with the transformer replaced with an equivalent circuit, and Fig. 3 is a circuit diagram of a conventional power transducer. It is a diagram. In the figure, 11 is a Hall element, 12 is an operational amplifier, 15 is a transformer, and R 1 , R 3 and R 11 are resistors. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
した電圧をホール素子にそれぞれ入力し、ホール
電圧を出力する電力トランスデユーサにおいて、
前記制御電流を得る回路は、 入力電圧を受ける変成器の一次巻線に直列に接
続され、この一次巻線の漏れリアクタンスに対し
て十分大きな抵抗値をもつ限流手段と、 上記変成器の二次巻線の一端に反転入力端子が
接続された増幅手段と、 上記変成器の二次巻線の他端と上記増幅手段の
非反転入力端子との間に接続された抵抗と、 上記増幅手段の出力端子と一方の入力端子間及
び出力端子と他方の入力端子間にそれぞれ接続さ
れたホール素子及び抵抗、 を備えたことを特徴とする電力トランスデユーサ
。[Claims for Utility Model Registration] In a power transducer that inputs a current converted into a bias magnetic field and a voltage converted into a control current to a Hall element and outputs a Hall voltage,
The circuit for obtaining the control current includes a current limiting means connected in series to the primary winding of the transformer receiving the input voltage and having a resistance value sufficiently large for the leakage reactance of the primary winding; an amplifying means having an inverting input terminal connected to one end of the secondary winding; a resistor connected between the other end of the secondary winding of the transformer and a non-inverting input terminal of the amplifying means; A power transducer comprising: a Hall element and a resistor connected between the output terminal and one input terminal, and between the output terminal and the other input terminal, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11240387U JPS6417472U (en) | 1987-07-21 | 1987-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11240387U JPS6417472U (en) | 1987-07-21 | 1987-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417472U true JPS6417472U (en) | 1989-01-27 |
Family
ID=31351309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11240387U Pending JPS6417472U (en) | 1987-07-21 | 1987-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417472U (en) |
-
1987
- 1987-07-21 JP JP11240387U patent/JPS6417472U/ja active Pending