■ Supply module cubicleThis section shows an example of supply module cubicle layout. The cubicle contains IGBTsupply modules.There are no switches or devices on the cabinet door.Door open213 345 674DC fuses1.Common mode filters2.IGBT supply module of frame size R8i3.Coolant connections4.Air-to-liquid heat exchanger installed below each module5.(Behind the mounting plate) Fan. Forces air inside the cubicle through the heat exchanger.6.Mounting plate with terminal blocks for customer connections7.Operation principle and hardware description 21