Cooling method for cooling medium-voltage electrical switchgear using integrated heat pipes, and a system using said method
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United States of America Patent
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May 6, 2014
Grant Date -
Aug 16, 2012
app pub date -
Oct 25, 2010
filing date -
Oct 26, 2009
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Abstract
The method of the invention makes it possible to cool electrical switchgear operating at medium voltage and high current, such as a circuit breaker. The method consists in inserting serially two heat pipes (11) inside said switchgear, putting a first end (11A) of the first heat pipe (11) in the hot portion of the hot portions (10A, 10C) of the circuit breaker (10) and a second end (11B) of the first heat pipe (11) in a portion that is cooler (10A) of the hot portions (10A, 10C). The other heat pipe (11) is put between the cooler of the hot portions (10A) and a cooler part of the circuit breaker (10). A particular application is provided for medium-voltage, high-current circuit breakers.
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