Multi-phase vacuum switch arrangement including an electromagnet

Details Multi-phase vacuum switch arrangement including an electromagnet Multi-phase vacuum switch arrangement including an electromagnet

1999-09-30

2000-12-05

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

218153, H01H 3366, H01H 3328

Patent

active

061569895

ABSTRACT:
A multi-phase vacuum contactor occupying a minimal space envelope. The contactor features a housing; a carriage; an electromagnetic actuator fixed to the housing and having a reciprocating armature connected to the carriage; and a plurality of vacuum interrupters each having a reciprocating stem for the actuation thereof, wherein the vacuum interrupters are fixed to the housing and circumferencially arranged about the electromagnetic actuating mechanism such that longitudinal axes of the vacuum interrupters are substantially parallel to a longitudinal axis of the electromagnetic actuating mechanism, and wherein the stem of each vacuum interrupter is connected to the carriage.

REFERENCES:
patent: 2906841 (1959-09-01), Jennings
patent: 3870845 (1975-03-01), Clason
patent: 4306129 (1981-12-01), Bialkowski et al.
patent: 4587390 (1986-05-01), Gray
Slade, P. and Long, R., "Vacuum Technology for Medium Voltage Switching and Protection", Power Technologh International, 1993, pp. 171-175.
"How a New Vacuum Interrupter Was Developed", Research/Development Magazine, Sep. 1968.
Selzer, A., "Vacuum Interruption--A Review of the Vacuum Arc and Contact Functions" IEEE Transactions on Industry Applications, vol. IA-8, No. 6, Nov./Dec. 1972, pp. 707-722.
Rockwell Automation, User Manual for Medium Voltage Contactor, Publication No. 1502-5.0, May 1998.

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