Electricity: conductors and insulators – Insulators – Combined
Patent
1990-10-15
1991-12-31
Picard, Leo P.
Electricity: conductors and insulators
Insulators
Combined
174152R, 174169, 324726, 439797, 439894, 439921, H01B 1700
Patent
active
050774506
ABSTRACT:
A high-voltage test terminal for interconnection between high-voltage power lines and the bushing stud member of a transformer or reactor. An insulator component of the terminal is placed in compression rather than tension, the terminal having a substantially reduced moment arm to withstand angular forces which are created upon interconnection between the power lines and the stud member. Metallic end fittings for the insulator serve to maintain the insulator in permanent compression and provide ready disconnection of the bus bars of the terminal for determination of induced electrical currents such as by Doble testing. The insulator is mounted horizontally between the end fittings and between the power lines in substantially parallel and horizontal alignment therewith, and eliminates the torsional stresses which have been generated previously with upright post-type insulators. The terminal utilizes a pair of horizontal bus bars which may be readily disconnected by swinging movement away from one end fitting for testing and efficient re-connection to rejoin the electrically conductive end fittings of the terminal.
REFERENCES:
patent: 1979099 (1934-10-01), Cornell et al.
patent: 3612750 (1971-10-01), Monico et al.
patent: 3813504 (1974-05-01), Anderson
Korka Trinidad
Picard Leo P.
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