Research On Abnormal Melting Of High Voltage Drop Fuse

When the impedance of the transformer is constant, under normal circumstances, an increase in voltage will also cause an increase in current. However, this increase is relatively much smaller for overcurrent conditions (such as short circuit, severe overload), and will not cause drop out fuse element to fuse. Only lightning strikes can increase drop out fuse in transformer to the point of fuse. From this perspective, drop out fuse price also has the function of overvoltage protection.