JPS6262267U - - Google Patents
Info
- Publication number
- JPS6262267U JPS6262267U JP15361285U JP15361285U JPS6262267U JP S6262267 U JPS6262267 U JP S6262267U JP 15361285 U JP15361285 U JP 15361285U JP 15361285 U JP15361285 U JP 15361285U JP S6262267 U JPS6262267 U JP S6262267U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- power supply
- anode
- current
- field coil
- 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 6
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の地絡検出装置を示す回路図、
第２図は従来の一実施例の発電機の界磁コイルの
地絡検出装置を示す回路図である。
１……界磁コイル、２……励磁電源、３……整
流用ダイオード、４……地絡検出用電源、５……
地絡検出用抵抗、６……ダイオード、７……限流
抵抗。
Figure 1 is a circuit diagram showing the ground fault detection device of the present invention;
FIG. 2 is a circuit diagram showing a conventional ground fault detection device for a field coil of a generator. 1... Field coil, 2... Excitation power supply, 3... Rectifier diode, 4... Ground fault detection power supply, 5...
Ground fault detection resistor, 6... diode, 7... current limiting resistor.
Claims (1)
接続されたダイオードと、このダイオードの陽極
と発電機回転軸との間に接続された限流抵抗と、
前記ダイオードの陽極に負極を接続された直流電
源と、この直流電源の正極と前記ダイオードの陰
極との間に接続され前記限流抵抗よりも格段に大
きい抵抗値の検出用抵抗とを備えたことを特徴と
する同期機界磁コイルの地絡検出装置。 a diode whose cathode is connected to the high potential side of a field coil that is excited by direct current; a current-limiting resistor connected between the anode of this diode and the generator rotating shaft;
A DC power supply having a negative pole connected to the anode of the diode, and a detection resistor connected between the positive pole of the DC power supply and the cathode of the diode and having a resistance value significantly larger than that of the current limiting resistor. A ground fault detection device for a synchronous machine field coil characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361285U JPS6262267U (en) | 1985-10-09 | 1985-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361285U JPS6262267U (en) | 1985-10-09 | 1985-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6262267U true JPS6262267U (en) | 1987-04-17 |
Family
ID=31072651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15361285U Pending JPS6262267U (en) | 1985-10-09 | 1985-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6262267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4961045B1 (en) * | 2011-02-24 | 2012-06-27 | 株式会社安川電機 | Motor drive device |
| JP2012177695A (en) * | 2012-03-23 | 2012-09-13 | Yaskawa Electric Corp | Motor driving device |
-
1985
- 1985-10-09 JP JP15361285U patent/JPS6262267U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4961045B1 (en) * | 2011-02-24 | 2012-06-27 | 株式会社安川電機 | Motor drive device |
| CN102651624A (en) * | 2011-02-24 | 2012-08-29 | 株式会社安川电机 | Motor driving apparatus |
| JP2012177695A (en) * | 2012-03-23 | 2012-09-13 | Yaskawa Electric Corp | Motor driving device |
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