一种气相色谱在线分析变压器油中溶解气体的采样装置及方法，该装置由采样探头、温度传感器、多通阀、样品定量管、空白气体定量管、截止阀和空白气体稳压系统组成。该采样方法是将采样探头直接插入变压器油中，通过与之相连的多通阀的切换，在采样探头中压入空白气体，由于变压器油在箱内被油泵循环，使变压器油中溶解气体逸出到空白气体中，在探头中达到气液平衡。因为采样头内液面低于周围液面而在采样头内有正压，打开截止阀后，平衡气体在静压力作用下进入多通阀样品定量管中。然后转动多通阀 ...
关亚风, 刘文民, 赵景红
core
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