High-power density electric transformer

The invention discloses a high-power density electric transformer. The transformer includes a heat conduction wire rack, a heat insulation carrier rack, a primary coil, a secondary coil and an iron core; the heat conduction wire rack is provided with separating plates; the heat conduction wire rack forms a first storage groove matching the primary coil and a second storage groove matching the secondary coil through the separating plates; the primary coil and the secondary coil are respectively installed in the first storage groove and the second storage groove; the heat insulation carrier rackis provided with a heat dissipator; the heat conduction wire rack and the heat dissipator are provided with mortises; the iron core is provided with tenons matching the mortises; an isolating body used for encasing the primary coil and the secondary coil is arranged between the heat conduction wire rack and the heat insulation carrier rack; and the heat insulation carrier rack is provided with aconnection board. The tran