Device for sampling gas to a Buchholz relay, the Buchholz relay and method of operation of the said sampling device

摘要

Device for sampling gas to a Buchholz relay, the Buchholz relay and method of operation of the said sampling device.This is a sampling device of gas for a Buchholz relay, and a Buchholz relay comprises such a device for sampling and a method of operation of said device, which comprises a sampling body (12) which has a channel passage (13) equipped with an opening of en. Trad (14) suitable for being placed in communication with the interior of a Buchholz relay (11).And an outlet (15) suitable for being placed in communication with a sampling container (16); a valve (17) connected to said body and which intersects the channel (13) operable to open and close the channel (13); and a driving device (18). That is eletromecu00e2ni Co, mechanically connected to the valve (17) to operate the same; a control device (19).That is, electronic, electronically connected to the driving device (18), in order to control it, and the control device (19) is operable to operate the valve (17) for the purpose of carrying out the sampling gas in the Buchholz relay (11).