Main transformer low-voltage side tubular bus direct-current resistance measurement auxiliary device and parameter calculation method thereof

The invention provides a main transformer low-voltage side tubular bus direct-current resistance measurement auxiliary device and a parameter calculation method thereof, and the device comprises a support body which is a U-shaped opening, and the concave surface of the U-shaped opening of the support body is provided with a first contact finger and a second contact finger. The first contact fingerand the second contact finger are respectively arranged on the left side and the right side of the concave surface of the frame body and are fixed on the support body; the first contact finger and the second contact finger are elastic and arc-shaped, and the arc-shaped concave surfaces of the first contact finger and the second contact finger are in the same direction as the concave surface of the support body. And a wiring terminal is arranged on the outer side, opposite to the concave surface, of the support body. Through cooperation of the support body and the elastic contact fingers, thedevice can be well clamped