Discussion On Abnormal Fusing Of Drop-out Fuse
Frequent operation of drop out fuse price with load
Such operation can easily cause contact burnout and lead burnout.
Environmental factors
Since drop out fuse set is installed outdoors, it is affected by temperature changes, sun and rain for a long time, which can easily cause oxidation and rust of drop out fuse unit's fasteners and contacts, increase contact resistance, reduce conductivity, and cause drop out type fuse contacts to heat up, causing lead burnout.
Unqualified installation quality of dropout fuse of transformer
In order to catch up with the progress, some construction units ignore the installation quality of the product, leaving safety hazards.
Solution:
Improve the static contact structure and lead of expulsion drop out fuse, improve the quality of power grid maintenance, strictly control the procurement quality of fuse drop out, clarify the operating authority of ht drop out fuse, and avoid misoperation caused by human factors.