JPS63181837U - - Google Patents
Info
- Publication number
- JPS63181837U JPS63181837U JP6963387U JP6963387U JPS63181837U JP S63181837 U JPS63181837 U JP S63181837U JP 6963387 U JP6963387 U JP 6963387U JP 6963387 U JP6963387 U JP 6963387U JP S63181837 U JPS63181837 U JP S63181837U
- Authority
- JP
- Japan
- Prior art keywords
- efficiency
- circuit
- induction motor
- input power
- shaft output
- 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 5
- 230000006698 induction Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Induction Machinery (AREA)
Description
第１図および第２図はそれぞれ本考案の各実施
例を示す構成図、第３図は誘導電動機の効率特性
の一例を示す図である。
１…電源、２…開閉スイツチ、３…誘導電動機
、４…機械装置、５…電圧検出器、６…電流検出
器、７…バツフア、８…電力演算回路、９…効率
検出回路、１０…掛算回路、１１…効率設定回路
。
FIGS. 1 and 2 are block diagrams showing respective embodiments of the present invention, and FIG. 3 is a diagram showing an example of efficiency characteristics of an induction motor. 1...Power supply, 2...Open/close switch, 3...Induction motor, 4...Mechanical device, 5...Voltage detector, 6...Current detector, 7...Buffer, 8...Power calculation circuit, 9...Efficiency detection circuit, 10...Multiply Circuit, 11...Efficiency setting circuit.
Claims (1)
電力を演算する電力演算回路と、上記検出した入
力電力から効率を求める効率検出回路と、上記入
力電力と功率を掛算して軸出力を算出する掛算回
路を備えたことを特徴とする誘導電動機の軸出力
検出装置。 (2) 上記効率検出回路の代りに一定の効率を入
力する効率設定回路を用いた実用新案登録請求の
範囲第１項記載の誘導電動機の軸出力検出装置。[Scope of claim for utility model registration] (1) A power calculation circuit that calculates the input power of the induction motor from its voltage and current, an efficiency detection circuit that calculates efficiency from the detected input power, and multiplies the input power and efficiency. What is claimed is: 1. A shaft output detection device for an induction motor, comprising a multiplication circuit for calculating shaft output. (2) The shaft output detection device for an induction motor according to claim 1, which uses an efficiency setting circuit for inputting a constant efficiency instead of the efficiency detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6963387U JPS63181837U (en) | 1987-05-12 | 1987-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6963387U JPS63181837U (en) | 1987-05-12 | 1987-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181837U true JPS63181837U (en) | 1988-11-24 |
Family
ID=30910542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6963387U Pending JPS63181837U (en) | 1987-05-12 | 1987-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181837U (en) |
-
1987
- 1987-05-12 JP JP6963387U patent/JPS63181837U/ja active Pending
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