JPS57203967A - Digital meter of voltage, current and phase defference - Google Patents
Digital meter of voltage, current and phase defferenceInfo
- Publication number
- JPS57203967A JPS57203967A JP56088039A JP8803981A JPS57203967A JP S57203967 A JPS57203967 A JP S57203967A JP 56088039 A JP56088039 A JP 56088039A JP 8803981 A JP8803981 A JP 8803981A JP S57203967 A JPS57203967 A JP S57203967A
- Authority
- JP
- Japan
- Prior art keywords
- current
- phase
- shifting
- measured
- voltage
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56088039A JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56088039A JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57203967A true JPS57203967A (en) | 1982-12-14 |
JPH0470590B2 JPH0470590B2 (enrdf_load_stackoverflow) | 1992-11-11 |
Family
ID=13931675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56088039A Granted JPS57203967A (en) | 1981-06-10 | 1981-06-10 | Digital meter of voltage, current and phase defference |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57203967A (enrdf_load_stackoverflow) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100439647B1 (ko) * | 2001-08-17 | 2004-07-12 | 한홍석 | 휴대용 앵글미터 |
JP2005287256A (ja) * | 2004-03-30 | 2005-10-13 | Tm T & D Kk | ディジタル形保護制御装置とその表示データ作成方法、および表示データ作成プログラム |
JP2011214929A (ja) * | 2010-03-31 | 2011-10-27 | Daihen Corp | 配電線用開閉器の検査装置 |
JP2015225035A (ja) * | 2014-05-29 | 2015-12-14 | 三菱電機エンジニアリング株式会社 | 可搬型メンテナンスツール |
CN111830349A (zh) * | 2020-07-21 | 2020-10-27 | 华立科技股份有限公司 | 电网事件检测方法、装置和电子设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152476U (enrdf_load_stackoverflow) * | 1979-04-19 | 1980-11-04 | ||
JPS5665479U (enrdf_load_stackoverflow) * | 1979-10-24 | 1981-06-01 |
-
1981
- 1981-06-10 JP JP56088039A patent/JPS57203967A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152476U (enrdf_load_stackoverflow) * | 1979-04-19 | 1980-11-04 | ||
JPS5665479U (enrdf_load_stackoverflow) * | 1979-10-24 | 1981-06-01 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100439647B1 (ko) * | 2001-08-17 | 2004-07-12 | 한홍석 | 휴대용 앵글미터 |
JP2005287256A (ja) * | 2004-03-30 | 2005-10-13 | Tm T & D Kk | ディジタル形保護制御装置とその表示データ作成方法、および表示データ作成プログラム |
JP2011214929A (ja) * | 2010-03-31 | 2011-10-27 | Daihen Corp | 配電線用開閉器の検査装置 |
JP2015225035A (ja) * | 2014-05-29 | 2015-12-14 | 三菱電機エンジニアリング株式会社 | 可搬型メンテナンスツール |
CN111830349A (zh) * | 2020-07-21 | 2020-10-27 | 华立科技股份有限公司 | 电网事件检测方法、装置和电子设备 |
Also Published As
Publication number | Publication date |
---|---|
JPH0470590B2 (enrdf_load_stackoverflow) | 1992-11-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5551361A (en) | Range switching device for electric measuring instrument | |
JPS57203967A (en) | Digital meter of voltage, current and phase defference | |
JPS562569A (en) | Insulating resistance measuring instrument | |
US3408564A (en) | Electrical apparatus including a pair of replica impedances for measuring distances along a loaded electrical line | |
IL42203A (en) | A bridge circuit for measuring low values of resistance | |
US3212001A (en) | Electrical circuit for testing the current-voltage relationship of electrical devices | |
JPS5524640A (en) | Measurement of impedance and load loss of there-winding transformer | |
US3492565A (en) | Apparatus for measuring the time interval between opening or closing of a pair of sequentially operated contacts | |
US2018272A (en) | Analyzer | |
JPS57161560A (en) | Test equipment for wiring | |
DE898613C (de) | Anordnung zur wahlweisen Messung von Spannung, Strom und Leistung bei dreiphasigem Wechselstrom | |
JPS5720668A (en) | Electric current measuring circuit using auxiliary current transformer | |
JPS57182658A (en) | Three-phase power measuring device | |
JPS5684564A (en) | Reactive power meter | |
SU1679397A1 (ru) | Цифровой автоматический мост переменного тока | |
JPS5784364A (en) | Measuring method for alternate current | |
JPS5745468A (en) | Pointer type resistance meter for electric blasting | |
JPS6454269A (en) | Digital type clamp tester | |
MAISEL | Error analysis in the measurement of average power with application to switching controllers[Final Technical Report, 1 Oct. 1978- 1 Oct. 1979] | |
JPS56101562A (en) | Insulation resistance measuring method and device thereof of dc electric circuit in use | |
GB1112401A (en) | Electric digital measuring instrument | |
JPS5740659A (en) | Testing burden setting device for current transformer | |
JPS56160611A (en) | Analog quantity indicator | |
JPS5570752A (en) | Balancing type partial discharge test circuit | |
JPS55140172A (en) | Composite equivalent testing device of breaker |