We’d like to build a mobile power supply with 4,8 kW power for jeeps, which is firmly integrated in the car. The transformer should be small, lightweight and low on hum noise and it needs to be able to generate the net voltage for the USA out of the battery voltage. The toroidal transformer has to be implemented in the car body, best would be in a fitting potting. Thus the transformer should resist crash-tests. The connections may not use a lot of space. The efficiency needs to be extremely high, but the short-circuit voltage may not get too low because of this.
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