JPS57182658A - Three-phase power measuring device - Google Patents
Three-phase power measuring deviceInfo
- Publication number
- JPS57182658A JPS57182658A JP6829781A JP6829781A JPS57182658A JP S57182658 A JPS57182658 A JP S57182658A JP 6829781 A JP6829781 A JP 6829781A JP 6829781 A JP6829781 A JP 6829781A JP S57182658 A JPS57182658 A JP S57182658A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- current
- zero
- contained
- wattmeter
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6829781A JPS57182658A (en) | 1981-05-08 | 1981-05-08 | Three-phase power measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6829781A JPS57182658A (en) | 1981-05-08 | 1981-05-08 | Three-phase power measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57182658A true JPS57182658A (en) | 1982-11-10 |
Family
ID=13369699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6829781A Pending JPS57182658A (en) | 1981-05-08 | 1981-05-08 | Three-phase power measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57182658A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050095534A (ko) * | 2004-12-01 | 2005-09-29 | (주)신우디엔시 | 영상전류 보상용 3상 전력 계량장치 |
JP2006084381A (ja) * | 2004-09-17 | 2006-03-30 | Yokogawa Electric Corp | 三相電力測定方法および三相電力測定装置 |
KR100581261B1 (ko) * | 2003-10-04 | 2006-05-22 | (주)에디테크 | 삼상 계측기의 전원공급방법 및 장치 |
-
1981
- 1981-05-08 JP JP6829781A patent/JPS57182658A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100581261B1 (ko) * | 2003-10-04 | 2006-05-22 | (주)에디테크 | 삼상 계측기의 전원공급방법 및 장치 |
JP2006084381A (ja) * | 2004-09-17 | 2006-03-30 | Yokogawa Electric Corp | 三相電力測定方法および三相電力測定装置 |
KR20050095534A (ko) * | 2004-12-01 | 2005-09-29 | (주)신우디엔시 | 영상전류 보상용 3상 전력 계량장치 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2375591A (en) | Electrical measuring apparatus | |
US4626772A (en) | Process and device for determining a parameter associated with a faulty electric conductor, using a composite monitoring signal | |
US4241306A (en) | Test fixture having switching means for facilitating transformer turns ratio testing | |
US4634981A (en) | Method for testing a circuit breaker using a three terminal current transformer | |
JPS57182658A (en) | Three-phase power measuring device | |
JPS5524640A (en) | Measurement of impedance and load loss of there-winding transformer | |
GB886265A (en) | Improvements in or relating to multiplying devices | |
Moore et al. | Measurement of short circuit load losses in large three phase power transformers using an alternating current comparator bridge | |
CA1040705A (en) | Direct current measuring system for rectifiers | |
CN110780221A (zh) | 一种一二次融合成套柱上断路器源端电气测量系统 | |
DE1010161B (de) | Geraet zur wahlweisen Vornahme von Durchgangs- und Isolationsmessungen an elektrischen Leitungen und Geraeten | |
IE810253L (en) | Measurement of electric power-polyphase network | |
RU2092862C1 (ru) | Способ контроля изоляции в сетях с глухозаземленной нейтралью и устройство для его осуществления | |
SU1725134A1 (ru) | Устройство дл измерени электрической энергии | |
SU917127A1 (ru) | Способ определени параметров изол ции трехфазных электрических сетей с изолированной нейтралью напр жением выше 1000в | |
US2018272A (en) | Analyzer | |
RU1812507C (ru) | Способ измерени тока однофазного замыкани на землю в сети с изолированной нейтралью | |
JPS5657964A (en) | Insulation tester | |
RU1812506C (ru) | Способ измерени тока однофазного замыкани на землю в сети с изолированной нейтралью | |
Dalziel | Analysis of short circuits for distribution systems | |
JP2558167B2 (ja) | 残留電流補償型elbチェッカー | |
SU55159A1 (ru) | Способ определени рассто ни от станции до места замыкани на землю | |
JPH0448107Y2 (ja) | ||
SU1221617A1 (ru) | Устройство дл определени сопротивлени нулевой последовательности трансформатора с насыщенным магнитопроводом | |
SU150168A1 (ru) | Способ определени полного сопротивлени относительно земли изол ции сети трехфазного тока низкого напр жени |