JPH04199U - - Google Patents
Info
- Publication number
- JPH04199U JPH04199U JP3844990U JP3844990U JPH04199U JP H04199 U JPH04199 U JP H04199U JP 3844990 U JP3844990 U JP 3844990U JP 3844990 U JP3844990 U JP 3844990U JP H04199 U JPH04199 U JP H04199U
- Authority
- JP
- Japan
- Prior art keywords
- field
- light
- loss
- detecting
- state
- 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 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Control Of Eletrric Generators (AREA)
Description
第１図は、本考案の一実施例を示す回路構成図
、第２図は同実施例の動作を説明するための波形
図である。
１……交流励磁機、１１……界磁巻線、１２…
…電機子巻線、２……整流装置、２１，２２，２
３，２４，２５，２６……ダイオード、３……発
電機、３１……主界磁巻線、３２……電機子巻線
、４……界磁電圧検出回路、４１……分圧抵抗、
４２……ツエナーダイオード、４３……発光ダイ
オード，５……受光素子、６……波形整形回路、
７……監視回路。
FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, and FIG. 2 is a waveform diagram for explaining the operation of the embodiment. 1... AC exciter, 11... Field winding, 12...
... Armature winding, 2 ... Rectifier, 21, 22, 2
3, 24, 25, 26... Diode, 3... Generator, 31... Main field winding, 32... Armature winding, 4... Field voltage detection circuit, 41... Voltage dividing resistor,
42... Zener diode, 43... Light emitting diode, 5... Light receiving element, 6... Waveform shaping circuit,
7...Monitoring circuit.
Claims (1)
出する界磁喪失検出装置において、上記界磁に接
続され該界磁に与えられる電圧が所定値以上であ
るとき発光される発光ダイオードを有する界磁電
圧検出手段と、この界磁電圧検出手段の発光ダイ
オードからの光を受光する受光手段と、この受光
手段の出力の状態を監視するとともに該出力状態
から上記界磁喪失を検出する状態監視手段とを具
備したことを特徴とする界磁喪失検出装置。 In a field loss detection device for detecting main machine field loss in a brushless excitation device, a field voltage detection means includes a light emitting diode connected to the field and emitting light when the voltage applied to the field is equal to or higher than a predetermined value. and a light receiving means for receiving light from the light emitting diode of the field voltage detecting means, and a state monitoring means for monitoring the state of the output of the light receiving means and detecting the loss of the field from the output state. A field loss detection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3844990U JPH04199U (en) | 1990-04-10 | 1990-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3844990U JPH04199U (en) | 1990-04-10 | 1990-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04199U true JPH04199U (en) | 1992-01-06 |
Family
ID=31546468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3844990U Pending JPH04199U (en) | 1990-04-10 | 1990-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04199U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151350A (en) * | 1974-05-27 | 1975-12-05 | ||
| JPS56112900A (en) * | 1980-02-11 | 1981-09-05 | Toshiba Corp | Exciting device of brushless synchronous machine |
| JPS57119700A (en) * | 1981-01-16 | 1982-07-26 | Toshiba Corp | Exciter controller |
-
1990
- 1990-04-10 JP JP3844990U patent/JPH04199U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151350A (en) * | 1974-05-27 | 1975-12-05 | ||
| JPS56112900A (en) * | 1980-02-11 | 1981-09-05 | Toshiba Corp | Exciting device of brushless synchronous machine |
| JPS57119700A (en) * | 1981-01-16 | 1982-07-26 | Toshiba Corp | Exciter controller |
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