The test field supply modules have been developed especially for repair workstations and test fields. These are motorized three-phase variable transformers, which are controlled by a suitable front panel, which is usually integrated in the laboratory workstation.
The three-phase variable transformers with motor drive provide an alternating voltage of 0-400 V at a maximum current of 25 or 40 A. They are very well suited for the supply of three-phase test objects and consumers with high power consumption.
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