Electric transformer unit

摘要

The electrical transformer unit (10) has a transformer (11) filled with oil (13), and multiple coil windings are placed in a transformer housing (12). One or multiple cooling radiators (15) are provided in the transformer unit. Multiple aerators (17,18) are attached to the radiators. The number of revolutions of all aerators are adjustable in continuous manner. A common power supply is provided for all aerators.