| 摘要 |
The present invention relates to a cooling device of a power transformer and, more particularly, to a cooling device of a power transformer which is provided with a heat pipe and a heat sink to improve cooling performance, and attenuates noise by eliminating a cooling fan.
In accordance with one aspect of the present invention, a cooling device of a power transformer includes: an upper frame (10) and a lower frame (15) ; a core (20) installed between the upper frame (10) and the lower frame (15); a coil wound around a leg portion (22) of the core (20); a plurality of radial spacers (55) formed of plates and interposed between coil sections horizontally dividing the coil; a heat pipe (60) supported by the plurality of radial spacers (55) and installed inside and outside the core (20) and the coil; a heat sink (65) coupled to an upper portion of the heat pipe (60) and exposed to an upper portion of the coil; and a fractionating column (61) interposed between the heat sink (65) and the heat pipe (60), one end of the fractionating column being provided with one conduit and connected to the heat sink (65), and the other end of the fractionating column being provided with a plurality of conduits and connected to the heat pipe (60). |
