布赫继电器
![Two ball-shaped floats and two glass-enclosed reed switches are visible inside this cutaway view of a Buchholz relay](/Images/godic/202501/02/Buchholz_21907.JPG")
在电力分配和传送领域，布赫继电器，也叫瓦斯继电器或压力继电器，是安装在油浸的电力变压器和反应器上的安全装置。其上配有一个外部的置顶油箱称为油枕（conservator）。作为安全装置，布赫继电器对于设备内的电介质故障是非常敏感的。
Buchholz relay
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Buchholz relay 布赫继电器
![Relé de Buchholz.](/Images/godic/202501/02/Buchholz_11907.png")
![Schéma d'un relais Buchholz quand il y a absence de défaut](/Images/godic/202501/02/Buchholz_relay_contacts_fr.svg1907.png")
![Schéma d'un relais Buchholz après accumulation de gaz provoquant l'ouverture du contact d'alarme](/Images/godic/202501/02/Buchholz_relay_contacts_alarm_fr.svg1907.png")
In the field of electric power distribution and transmission, a Buchholz relay is a safety device mounted on some oil-filled power transformers and reactors, equipped with an external overhead oil reservoir called a "conservator". The Buchholz relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.
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