Braking resistor for a high tension electrical network

Details Braking resistor for a high tension electrical network Braking resistor for a high tension electrical network

1988-12-30

1990-07-10

Miller, Jr., George H.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

361117, 338 20, H01C 710

Patent

active

049409611

ABSTRACT:
A braking resistance having at least one basic element (400) including a ceramic envelope (1) receiving at least one stack of conducting solid disks (11) made of a carbon-based ceramic and having a resistivity lying in the range 100.OMEGA..cm to 1000.OMEGA..cm. A tube (20) maintains the stack. A spring (14) exerts pressure on the stack of disks. Electrical contact is provided between each end of each stack and respective conducting plates located at the ends of the envelope and the envelope is filled with nitrogen at a pressure of 1 to 2 bars.

REFERENCES:
patent: 2276732 (1942-03-01), Ludwig et al.
patent: 3096496 (1963-07-01), Burrage
patent: 3227983 (1966-01-01), Braun
patent: 3896352 (1975-07-01), Miles
patent: 3968393 (1976-07-01), Murano et al.
patent: 4638285 (1987-01-01), Lott

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