Through analyzing the existing situation of the "Respiratory Device" of late-model full sealed transformer, the paper has pointed out the implementation plan to improve the sealed capsule or open capsule, and the usage of double electric contact pressure gauge to do the oil flow protection in design at the same time.%通过对全密封变压器“呼吸装置”现状分析，提出采用密封胶囊或开口胶囊的改进实施方案，并在设计应用中采用双电接点压力表对样机变压器实现油流保护。
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