Dry-type power transformer and working method thereof

The invention relates to a dry-type power transformer which comprises a damping device, a transformer body, a noise reduction shell, a plurality of supporting devices, a lifting device and a control system. A noise reduction layer is arranged on the inner surface of the noise reduction shell; the damping device comprises a plurality of damping springs, a sliding rod, a supporting plate and a plurality of sliding holes; the lifting device is arranged below the supporting plate; the multiple supporting devices are arranged on the inner side wall of the noise reduction shell in a scattered mode. The control system is connected with the multiple supporting devices and the lifting device. By arranging the damping device and the lifting device, the technical problems that how to enable the dry-type transformer to have good shockproof and noise reduction performance and how to enable the spring to be replaced more conveniently are solved. 本发明涉及一种干式电力变压器，包括：减震装置、变压器主体、降噪外壳、若干支撑装置、抬升装置、控制系统；降噪外壳的内表面上设置有降噪层；减震装置包括若干减震弹