FIELD: electric measurement technology, specifically, measurement of heavy direct currents. SUBSTANCE: model D C meter has Rogowsky belt, integrating operational amplifier, compensation winding wound on hollow non-ferromagnetic form that is connected via registering device to source of controllable current. EFFECT: increased measurement accuracy thanks to usage of compensation measurement method. 1 dwg
Title | Year | Author | Number |
---|---|---|---|
PORTABLE METER OF HEAVY DIRECT CURRENTS | 1999 |
|
RU2156981C1 |
REFERENCE METER OF HEAVY DIRECT CURRENTS | 1996 |
|
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PORTABLE DIGITAL METER OF HEAVY DIRECT CURRENTS | 1996 |
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RU2131128C1 |
PORTABLE AMMETER | 1988 |
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RU2006043C1 |
CONTACT FREE MEASURING ELECTRIC CURRENT TRANSDUCER | 2000 |
|
RU2168182C1 |
PROCESS OF MANUFACTURE OF BELT | 2001 |
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MEASURING CONVERTER FOR ALTERNATING CURRENT | 2004 |
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RU2256184C1 |
INSTRUMENT AC TRANSDUCER | 1996 |
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RU2127887C1 |
PROCESS OF MANUFACTURE OF BELT | 2001 |
|
RU2223508C2 |
METHOD OF MAKING BELT | 2004 |
|
RU2276374C1 |
Authors
Dates
2000-09-10—Published
1998-12-22—Filed