Gas insulated high voltage circuit breaker including tulip conta

Details Gas insulated high voltage circuit breaker including tulip conta Gas insulated high voltage circuit breaker including tulip conta

1995-07-25

1998-03-31

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Resistance inserting

H01H 3316, H01H 942, H02B 1302

Patent

active

057341400

ABSTRACT:
A circuit breaker includes a tank grounded and filled with an insulating gas, a first electrical series-connected section having a main conductor and a main breaking section, and a second electrical series-connected section having a resistor and an advance closing contact device. The first electrical series-connected section is coupled electrically in parallel to the second electrical series-connected section. The fixed contact side of the main breaking section is supported by an insulating cylinder and the fixed contact side of the advance closing contact device is supported by an insulating plate from the fixed contact side of the main breaking section. A breaking unit, chiefly composed of the main breaking section and the advance closing contact device, is supported by insulating cylinders. A resistor unit is supported by an insulating cylinder. The assembly of each of the units can be performed completely outside the tank, thereby eliminating the need for performing any adjustment type of work within the tank.

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patent: 5091614 (1992-02-01), Yamamoto et al.
patent: 5235147 (1993-08-01), Pham et al.
patent: 5245145 (1993-09-01), Freeman et al.
patent: 5262605 (1993-11-01), Pham et al.

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