Switchgear assembly with novel arrangement for connecting a tie

Details Switchgear assembly with novel arrangement for connecting a tie Switchgear assembly with novel arrangement for connecting a tie

1999-03-03

2000-10-31

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

361611, 361624, 361637, 361639, 361648, 361650, 174 71B, 174 88B, H02B 500

Patent

active

061412066

ABSTRACT:
Main circuit breakers and/or tie circuit breakers are connected by upper and lower disconnects to upper and lower sections, respectively, of split risers in a low voltage switchgear assembly. An upper horizontal bus is connected to the upper sections of the split risers while a lower horizontal bus is connected to the lower sections. However, with the main or tie breaker mounted in the "C" position of a switchgear section, the gap between the upper and lower sections of the split risers is positioned vertically such that one of the phase conductors of the lower horizontal bus is above the gap. A unique connector extends downward from this phase conductor and is connected to the corresponding phase of the lower section of the vertical bus through the lower stab which engages the lower disconnect for the main or tie breaker.

REFERENCES:
patent: 2997627 (1961-08-01), Ellegood
patent: 3349291 (1967-10-01), Olashaw
patent: 3793564 (1974-02-01), Salvati et al.
patent: 4121276 (1978-10-01), Kovatch et al.
patent: 4178624 (1979-12-01), Wilson et al.
patent: 4307304 (1981-12-01), Kovatch et al.
patent: 4366528 (1982-12-01), Cole
patent: 4822951 (1989-04-01), Wilson et al.
patent: 5949641 (1999-09-01), Walker et al.
Cutler-Hammer, Type DSII Metal-Enclosed Low-Voltage Switchgear, Feb. 1997, 43 pp.

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