Patent ID: 11913984
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. A device for testing insulation properties of a transformer, comprising:
a low-voltage winding part and a high-voltage winding part arranged concentrically with each other;
an iron core for testing combined with the low-voltage winding part and the high-voltage winding part, and adjustable in height according to heights of low-voltage winding part and high-voltage winding part, wherein the low-voltage winding part is arranged concentrically around a center iron core of the iron core for testing and the high-voltage winding part is arranged concentrically around the low-voltage winding part;
a low-voltage terminal part connected to both ends of a winding of the low-voltage winding part;
a high-voltage terminal part connected to both ends of a winding of the high-voltage winding part;
wherein:
the iron core for testing is divided into an upper yoke and a lower yoke, and includes a height adjustment part capable of adjusting a height between the upper yoke and the lower yoke;
the height adjustment part has a structure vertically divided into a plurality of parts; and
a height of the iron core for testing is adjustable according to a usage amount of the divided height adjustment parts.