METHOD OF ELECTRIC POWER LOSS REDUCTION

FIELD: electrics. ^ SUBSTANCE: invention concerns electrical equipment. Method is based on current unbalance factor reduction in three-phase feed line and transformer windings. Current leveling in step-down transformer phases is performed by single-phase load switching from one phase to another in 0...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GRINKRUG MIRON SOLOMONOVICH, TKACHEVA JULIJA IL'INICHNA, MITIN IVAN ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	FIELD: electrics. ^ SUBSTANCE: invention concerns electrical equipment. Method is based on current unbalance factor reduction in three-phase feed line and transformer windings. Current leveling in step-down transformer phases is performed by single-phase load switching from one phase to another in 0.4 kV buses of step-down transformer by switches connecting load to buses and controlled by microcontroller. Load switching is performed on the basis of current unbalance factor minimisation in 0.4 kV buses of step-down transformer. ^ EFFECT: reduced electrical power loss in step-down transformer and in three-phase power transmission line feeding step-down transformation substation. ^ 1 dwg