DEVICE FOR DETERMINING TRANSFORMATION RATIO OF THREE-PHASE TRANSFORMERS Russian patent published in 2006 - IPC G01R29/20 

Abstract RU 2284536 C1

FIELD: arrangements for measuring or indicating electric quantities.

SUBSTANCE: device comprises additional first and second commutating members, two four-wire cables, and unit for data input made of analogue-digital unit, unit of power-independent memory, computing unit, liquid crystal display, and interface for connection to the computer.

EFFECT: expanded functional capabilities.

3 cl, 2 dwg

Similar patents RU2284536C1

Title Year Author Number
DEVICE FOR MEASURING SHORT-CIRCUIT IMPEDANCE OF GROUNDED-NEUTRAL THREE-PHASE TRANSFORMER WINDINGS 2005
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Batalygin Sergej Nikolaevich
  • Shevtsov Viktor Mitrofanovich
RU2281522C1
DEVICE FOR MEASURING CURRENT AND OPEN-CIRCUIT LOSS OF POWER TRANSFORMERS AT LOW VOLTAGE 2005
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Batalygin Sergej Nikolaevich
RU2282862C1
DEVICE FOR MEASURING DC RESISTANCE OF GROUNDED-NEUTRAL THREE-PHASE POWER TRANSFORMER WINDINGS 2004
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Batalygin Sergej Nikolaevich
  • Shevtsov Viktor Mitrofanovich
RU2281523C1
MODE OF EVALUATION OF PARAMETERS OF THE PROCESS OF SWITCHING OF FAST-ACTING REGULATOR OF CONTACTOR'S CONTACTS UNDER LOADING IN A THREE-PHASE TRANSFORMER WITHOUT ITS OPENING AND AN ARRANGEMENT FOR ITS FULFILLMENT 2004
  • Fedorov Jurij Alekseevich
  • Mikheev Georgij Mikhajlovich
  • Shevtsov Viktor Mitrofanovich
  • Batalygin Sergej Nikolaevich
RU2290653C2
METHOD AND DEVICE FOR TAKING ON-LOAD VOLTAGE REGULATOR CIRCLE DIAGRAM IN POWER TRANSFORMERS 2005
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Batalygin Sergej Nikolaevich
  • Shevtsov Viktor Mitrofanovich
RU2304345C1
ARRANGEMENT FOR DEFINITION OF THE GROUP OF JOINING OF THE WINDINGS OF A THREE-PHASE TRANSFORMER 2004
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Shevtsov Viktor Mitrofanovich
  • Batalygin Sergej Nikolaevich
RU2279686C1
METHOD OF ELIMINATION OF INFLUENCE OF NONSIMULTANEOS SWITCHING OF SINGLE-PHASE TRANSFORMERS' VOLTAGE CONTROL DEVICES OF POWER THREE-PHASE AUTOMATIC TRANSFORMERS FOR OSCILLOGRPHIC TESTED CURRENTS OF CONTACTS OF CONTACTORS AND DEVICE FOR REALIZATION 2006
  • Fedorov Jurij Alekseevich
  • Mikheev Georgij Mikhajlovich
  • Shevtsov Viktor Mitrofanovich
  • Mikheeva Tat'Jana Georgievna
RU2316778C1
METHOD FOR DIAGNOSTICS OF POWER CIRCUITS OF HIGH VOLTAGE SWITCHES WITH BRIDGING RESISTANCES AND DEVICE FOR REALIZATION OF SAID METHOD 2006
  • Mikheev Georgij Mikhajlovich
  • Fedorov Jurij Alekseevich
  • Batalygin Sergej Nikolaevich
  • Shevtsov Viktor Mitrofanovich
RU2308728C1
METHOD FOR DIAGNOSTICS OF CIRCUITS OF ARC-SUPPRESSING CONTACTS OF REGULATORS UNDER LOAD OF RNTA TYPE 2006
  • Mikheev Georgij Mikhajlovich
  • Mikheeva Tat'Jana Georgievna
RU2321866C1
METHOD OF HIGH-VOLTAGE BREAKERS CHARACTERISTICS CONTROL AND DEVICE FOR ITS IMPLEMENTATION 2006
  • Fedorov Jurij Alekseevich
  • Mikheev Georgij Mikhajlovich
  • Shevtsov Viktor Mitrofanovich
RU2330302C1

RU 2 284 536 C1

Authors

Mikheev Georgij Mikhajlovich

Fedorov Jurij Alekseevich

Dates

2006-09-27Published

2005-02-07Filed