JPS62106135U - - Google Patents
Info
- Publication number
- JPS62106135U JPS62106135U JP19807285U JP19807285U JPS62106135U JP S62106135 U JPS62106135 U JP S62106135U JP 19807285 U JP19807285 U JP 19807285U JP 19807285 U JP19807285 U JP 19807285U JP S62106135 U JPS62106135 U JP S62106135U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- pole number
- poles
- variable frequency
- supply device
- 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
- 230000006698 induction Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図は本考案に係る交流式動力測定装置の一
実施例を示すブロツク図、第２図は同実施例にお
ける回転数―トルク特性図である。
１０……エンジン、１１……極数切換構造の誘
導電動機形動力計、１１ａ……ロードセル、１１
ｂ……パルス形速度計、１２……サイリスタコン
バータ、１３……直流リアクトル、１４……サイ
リスタインバータ、１５及び１６……ゲート回路
、１９……トルク設定器、２０……速度設定器、
２２……トルク制御増幅器、２３……速度制御増
幅器、２５……低速―高速切換器、２６Ｈ及び２
６Ｌ……電流制御増幅器、２７Ｈ及び２７Ｌ……
定電力制御回路、２８Ｈ及び２８Ｌ……ストレイ
ン増幅器、２９……極数切換回路、３０……トル
ク表示器、３１……速度表示器、３２Ｈ及び３２
Ｌ……Ｆ／Ｖ変換回路、３３Ｈ及び３３Ｌ……ゲ
ートロジツク回路。
FIG. 1 is a block diagram showing an embodiment of an AC power measuring device according to the present invention, and FIG. 2 is a rotation speed-torque characteristic diagram of the same embodiment. 10...Engine, 11...Induction motor type dynamometer with pole number switching structure, 11a...Load cell, 11
b... Pulse type speedometer, 12... Thyristor converter, 13... DC reactor, 14... Thyristor inverter, 15 and 16... Gate circuit, 19... Torque setting device, 20... Speed setting device,
22...Torque control amplifier, 23...Speed control amplifier, 25...Low speed-high speed switch, 26H and 2
6L...Current control amplifier, 27H and 27L...
Constant power control circuit, 28H and 28L... Strain amplifier, 29... Pole number switching circuit, 30... Torque indicator, 31... Speed indicator, 32H and 32
L...F/V conversion circuit, 33H and 33L...gate logic circuit.
Claims (1)
動機形動力計を極数比２：１の極数切換構造とし
てサイリスタ式可変周波数電源装置から電力を供
給し、この電力供給路に極数切換回路を設けると
ともに、前記可変周波数電源装置の制御回路の電
流制御ループ及びＶ―Ｆ制御部を極数毎の２系統
設け、同一出力で極数切換えを行うようにしたこ
とを特徴とする交流式動力測定装置。 An induction motor type dynamometer incorporating a load cell for torque measurement has a pole number switching structure with a pole number ratio of 2:1, and power is supplied from a thyristor type variable frequency power supply device, and a pole number switching circuit is provided in this power supply path. An alternating current power measuring device, characterized in that the control circuit of the variable frequency power supply device has two current control loops and a V-F control section for each number of poles, and the number of poles is switched with the same output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19807285U JPS62106135U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19807285U JPS62106135U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62106135U true JPS62106135U (en) | 1987-07-07 |
Family
ID=31158422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19807285U Pending JPS62106135U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62106135U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551573A (en) * | 1978-06-20 | 1980-01-08 | Mitsubishi Electric Corp | Electric dynamometer |
| JPS5674629A (en) * | 1979-11-26 | 1981-06-20 | Mayekawa Mfg Co Ltd | Pole conversion system of electric dynamometer using induction machine |
| JPS56147028A (en) * | 1980-04-16 | 1981-11-14 | Yahata Denki Seikou Kk | Testing device for driving power |
-
1985
- 1985-12-23 JP JP19807285U patent/JPS62106135U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551573A (en) * | 1978-06-20 | 1980-01-08 | Mitsubishi Electric Corp | Electric dynamometer |
| JPS5674629A (en) * | 1979-11-26 | 1981-06-20 | Mayekawa Mfg Co Ltd | Pole conversion system of electric dynamometer using induction machine |
| JPS56147028A (en) * | 1980-04-16 | 1981-11-14 | Yahata Denki Seikou Kk | Testing device for driving power |