FIELD: electricity.
SUBSTANCE: method of measuring power losses from reactive currents in three-phase transformers and four-wire lines is that the power factor (cos) is measured with a symmetrical linear load in a three-phase transformer (four-wire line)ϕ,phase current and from the measurement results determine the power loss factor from reactive currents by the formula.
EFFECT: ability to determine individual power losses from reactive currents in three-phase transformers and four-wire power lines, a minimum set of material and technical means.
1 cl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR MEASURING POWER LOSS OF ASYMMETRIC CURRENTS IN THREE-PHASE TRANSFORMERS AND FOUR-WIRE POWER LINES | 2015 |
|
RU2599280C2 |
| METHOD FOR MEASURING POWER LOSSES FROM NONSINUSOIDAL CURRENTS IN THREE-PHASE TRANSFORMERS AND FOUR-WIRE POWER TRANSMISSION LINES | 2016 |
|
RU2638904C1 |
| METHOD FOR SYMMETRING THE OPERATION MODE OF A FOUR-WIRE ELECTRICAL TRANSMISSION LINE | 2022 |
|
RU2776278C1 |
| ELECTRIC SYSTEM | 2005 |
|
RU2295816C1 |
| METHOD FOR MATCHING SYMMETRICAL FOUR-WIRE POWER TRANSMISSION LINE TO ELECTRICAL LOAD | 2012 |
|
RU2502177C1 |
| METHOD FOR TURNING ON AND OFF FOUR-WIRE POWER TRANSMISSION LINE | 2014 |
|
RU2582086C1 |
| METHOD FOR REMOTE DETERMINATION OF SHORT-CIRCUIT PLACE ON POWER TRANSMISSION LINE | 2019 |
|
RU2731657C1 |
| METHOD FOR DETERMINATION OF PRIMARY PARAMETERS FOR UNIFORM SECTION OF THREE-WIRE POWER TRANSMISSION LINE | 2013 |
|
RU2522836C1 |
| METHOD FOR RELAY GENERATION OF NETWORK CURRENTS IN A THREE-PHASED BRIDGE-BASED NETWORK INVERTER | 2006 |
|
RU2321147C1 |
| METHOD OF DETERMINING COMPLEX VALUE OF TECHNICAL LOSSES OF FULL POWER IN POWER THREE-PHASE TWO-WINDING TRANSFORMERS USED IN URBAN AND INDUSTRIAL POWER SUPPLY SYSTEMS | 2024 |
|
RU2826221C1 |
