JPH0378280U - - Google Patents
Info
- Publication number
- JPH0378280U JPH0378280U JP13974089U JP13974089U JPH0378280U JP H0378280 U JPH0378280 U JP H0378280U JP 13974089 U JP13974089 U JP 13974089U JP 13974089 U JP13974089 U JP 13974089U JP H0378280 U JPH0378280 U JP H0378280U
- Authority
- JP
- Japan
- Prior art keywords
- input signal
- voltage
- measuring device
- secondary side
- instrument transformer
- 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
- 238000005259 measurement Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図はこの考案を具体化した実施例の電気回
路図、第２図は同じく計測器の電気回路図、第３
図は同じく変換器の電気回路図、第４図は計測器
の斜視図、第５図は同じく計測器の操作パネルの
正面、第６図は変換器の斜視図である。
図中、１ａ〜１ｄ……電圧変換部、２……電圧
変換回路、１１……切換回路としての変換器切換
回路、１３……短絡回路、１５……電流切換回路
、２３ａ……デジタル表示部、３４ａ……デジタ
ル表示部、５０……電流計測回路、５１……位相
計測回路、Ａ１〜ＡＬ８……電圧変換器、Ｂ……
計測器である。
Fig. 1 is an electric circuit diagram of an embodiment embodying this idea, Fig. 2 is an electric circuit diagram of a measuring instrument, and Fig. 3 is an electric circuit diagram of an embodiment of this invention.
4 is a perspective view of the measuring instrument, FIG. 5 is a front view of the operating panel of the measuring instrument, and FIG. 6 is a perspective view of the transducer. In the figure, 1a to 1d...Voltage converter, 2...Voltage converter circuit, 11...Converter switching circuit as a switching circuit, 13...Short circuit, 15...Current switching circuit, 23a...Digital display unit , 34a...Digital display unit, 50...Current measurement circuit, 51...Phase measurement circuit, A1-AL8...Voltage converter, B...
It is a measuring instrument.
Claims (1)
力を電圧変換する電圧変換器と、 複数個の電圧変換器と接続可能に設けられた複
数個の入力部、その入力部の入力信号を適宜切換
る切換回路、その切換えられて入力された信号に
基づいて入力信号の電気的測定対象を計測する計
測回路及びその計測された結果を表示する表示部
とを備えた計測器とから構成したことを特徴とす
る計器用変成器の試験用計測装置。[Claims for Utility Model Registration] A voltage converter connected to the secondary side of each instrument transformer and converting the secondary side output into voltage, and a plurality of voltage converters provided so as to be connectable to the plurality of voltage converters. An input section, a switching circuit that appropriately switches the input signal of the input section, a measurement circuit that measures the electrical measurement target of the input signal based on the switched and input signal, and a display section that displays the measured results. 1. A measuring device for testing an instrument transformer, comprising: a measuring device having the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139740U JPH0620145Y2 (en) | 1989-11-30 | 1989-11-30 | Test and measurement equipment for instrument transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989139740U JPH0620145Y2 (en) | 1989-11-30 | 1989-11-30 | Test and measurement equipment for instrument transformers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0378280U true JPH0378280U (en) | 1991-08-07 |
| JPH0620145Y2 JPH0620145Y2 (en) | 1994-05-25 |
Family
ID=31686766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989139740U Expired - Lifetime JPH0620145Y2 (en) | 1989-11-30 | 1989-11-30 | Test and measurement equipment for instrument transformers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620145Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015083947A (en) * | 2013-10-25 | 2015-04-30 | 三菱電機株式会社 | Measuring apparatus and current transformer installation state determination method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51127441A (en) * | 1975-04-30 | 1976-11-06 | Tokyo Electric Power Co Inc:The | Sensor check circuit |
| JPS6367670A (en) * | 1986-09-09 | 1988-03-26 | Fujitsu Ltd | Managing and processing system for occupation information on inter-system shared resources |
-
1989
- 1989-11-30 JP JP1989139740U patent/JPH0620145Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51127441A (en) * | 1975-04-30 | 1976-11-06 | Tokyo Electric Power Co Inc:The | Sensor check circuit |
| JPS6367670A (en) * | 1986-09-09 | 1988-03-26 | Fujitsu Ltd | Managing and processing system for occupation information on inter-system shared resources |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015083947A (en) * | 2013-10-25 | 2015-04-30 | 三菱電機株式会社 | Measuring apparatus and current transformer installation state determination method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0620145Y2 (en) | 1994-05-25 |
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