JPH0299371U - - Google Patents
Info
- Publication number
- JPH0299371U JPH0299371U JP814689U JP814689U JPH0299371U JP H0299371 U JPH0299371 U JP H0299371U JP 814689 U JP814689 U JP 814689U JP 814689 U JP814689 U JP 814689U JP H0299371 U JPH0299371 U JP H0299371U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- voltage
- protection device
- under test
- device under
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例の回路図、第２図、第
３図は従来例の回路構成図である。
１は回路遮断器、５はセンサ、７は定電圧電源
部、８は電圧切り換え部、９は位相検出部、１０
Ｒ〜１０Ｔは電流制御部である。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIGS. 2 and 3 are circuit configuration diagrams of a conventional example. 1 is a circuit breaker, 5 is a sensor, 7 is a constant voltage power supply section, 8 is a voltage switching section, 9 is a phase detection section, 10
R to 10T are current control units.
Claims (1)
の被試験用過電流保護機器の電源端子に定格電圧
を印加して上記センサに電源を供給する電圧源と
、該電圧源から出力される各相の電圧の位相を検
出する位相検出手段と、被試験用過電流保護機器
の使用電源の各相に対応する被試験用過電流保護
機器の電源端子と負荷端子との間に電流を流す電
流源とから少なくとも構成され、電流源から流す
電流位相を上記位相検出手段の検出位相に同期さ
せることを特徴とする過電流試験機。 A voltage source that supplies power to the sensor by applying a rated voltage to the power terminal of the overcurrent protection device under test, such as a circuit breaker with a built-in sensor for overcurrent detection, and each voltage output from the voltage source. A current that flows between the phase detection means that detects the phase of the phase voltage, and the power terminal and load terminal of the overcurrent protection device under test corresponding to each phase of the power supply used by the overcurrent protection device under test. 1. An overcurrent tester comprising: a current source; and a current phase flowing from the current source is synchronized with a detection phase of the phase detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP814689U JPH0740225Y2 (en) | 1989-01-26 | 1989-01-26 | Overcurrent tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP814689U JPH0740225Y2 (en) | 1989-01-26 | 1989-01-26 | Overcurrent tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0299371U true JPH0299371U (en) | 1990-08-08 |
| JPH0740225Y2 JPH0740225Y2 (en) | 1995-09-13 |
Family
ID=31213766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP814689U Expired - Fee Related JPH0740225Y2 (en) | 1989-01-26 | 1989-01-26 | Overcurrent tester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740225Y2 (en) |
-
1989
- 1989-01-26 JP JP814689U patent/JPH0740225Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740225Y2 (en) | 1995-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |