A monobloc multifunctional high voltage electrical connection, comprising a bushing and a connecting interface to a fuse, and a protective device comprising such an electrical connection

摘要

The electrical connection (20) is designed to pass current between a high voltage electrical network and a fuse (10) protecting a transformer (4) fitted in a tank (9) containing a liquid or gas dielectric (16). The fuse (10) has two terminals, one (11) on the supply side and the other (12) on the load side. The terminal (12) is fitted inside the tank (9). . The two terminals (11,12) of the fuse are connected by a fusible part (13) contained in a dielectric (14). The connection (20) comprises: - an electrically conducting core (25), a supply side connector (21) designed to electrically connect the core (25) with the electrical supply, a connection (23) designed to be inserted into a hole in the tank (9) so that the hole is sealed, and the core (25) is electrically insulated from the walls of the tank (9). Also, a load side connector (24) is designed to connect the core (25) with the fuse terminal (11). The connector (24) has an elastomer material skirt (34,35,26) which elastically deforms so as to envelope and seal the terminal (11) so as to ensure electrical isolation between the terminal (11) and the inside of the tank (9)