COMBINED HIGH-VOLTAGE CURRENT AND VOLTAGE TRANSFORMER

摘要

A combined high voltage current and voltage transformer of head-type construction with a column of insulating material carrying the top housing whereby the active parts of the current transformer and above the same the active parts of the voltage transformer are arranged within the top housing. A simple manufacture of the top housing and a good seal with as few as possible lead-outs to be sealed off inside of the top housing is made possible by the construction of this invention. At the same time, the primary conductor of the current transformer as also the secondary system of the current transformer and the active parts of the voltage transformer are to be assemblable in a simple manner. This is achieved in that the primary conductor of the current transformer is constructed U-shaped whose base extends at least approximately concentrically through the ring of the secondary system of the current transformer. The two legs of the primary conductor protrude downwardly and are secured exclusively on the closure plate of the top housing from the inside thereof. At least one leg is electrically insulated from the metallic closure plate and is adapted to be contacted through the same from the outside and from below. The ring of the secondary system of the current transformer is also secured exclusively on the closure plate by way of supports.