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AC test units are used for testing high-voltage switch gears, electrical components or other objects with low capacity. InterEng offers three types of AC test units of the PG - Line with test voltages from 30 kV up to 75 kV.
These test units consist of a microprocessor controlled operating unit and a separate, SF6-insulated HV transformer unit. This solution enables the operator to use the test unit on site without transport aid and long connecting cables, which consume reactive power because of their high own capacity.
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