Tripping phenomenon A.If diesel genset operates under rated conditions for a few minutes, the automatic air switch trips, after recloses, then trips a few minutes later with a burning odor. The cause: The main contact of the automatic air switch is not well contacted or the spring pressure is insufficient. and the lead-out wire of the switch is not well contacted. The above two reasons will increase the contact resistance of the main circuit of the automatic air switch and cause serious fever, which will lead to the action of the thermal release and lead to wrong tripping. Methods of resolution: At this time, we should clean the main contacts of the automatic air switch and flatten them with a fine file or fine sandpaper; Adjust contact spring pressure to make good contact; clean contacts, apply conductive paste if necessary, and lock connection screw. B.Diesel generator trips immediately after connecting load. After the unit starts, the generator terminal voltage is ...
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