Transformer short circuit impedance test instrument

The utility model provides a transformer short circuit impedance test instrument belongs to the power engineering technology field, include clamp, folder and screw thread adjusting rod including wireand experimental fastener, experimental fastener, wherein, the clamp includes first connecting portion, second connecting portion and third connecting portion, and first connecting portion, second connecting portion enclose with the third connecting portion and become to have accommodation space, are provided with the screw thread through -hole on first connecting portion, and screw thread through-hole screw in accommodation space is passed through to screw thread adjusting rod's one end to with folder threaded connection, offered the spacing groove at the second connecting portion for one side of folder, through the length of adjusting screw thread adjusting rod screw in accommodation space, the adjustment folder is for the position of spacing groove, at the wired nose of one end crimping of wire, the line nose p