DEVICE FOR INDUCTIVE WINDING DIAGNOSTICS Russian patent published in 2014 - IPC G01R31/06 

FIELD: electricity.

SUBSTANCE: device for inductive winding diagnostics includes three-phase transformer with adjustable voltage of secondary winding connected in delta pattern, with one winding output connected by serial conductor to auxiliary circuit including serial ammeter with capacitor of variable capacity, shunted by a switch, and to the first of three outputs of inductive winding, while second output of inductive winding is connected directly to second output of secondary winding of three-phase transformer.

EFFECT: simplified electric diagram with the same functional capabilities of device.

2 dwg