The ESD sensitivity of the device (defined in volts), as determined by using any of the defined models, may not be the actual failurevoltage level in the manufacturing process or user environment.
Contact failure can occur when excessive heat or a high current or voltage pulse causes the contacts to weld together, resulting in short circuits.
当过热或者高电流或电压脉冲导致触点焊接在一起时,就会发生接触故障,形成短路。
3
Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability.