In Australia, Jamaica, and in New Orleans, Green Onions are called shallots. And, all over the place, to many people Green Onions are either young leeks, the tops of onions, or the stems of shallots.n Australia, Jamaica, and in New Orleans, Green Onions are called shallots. And, all over the place, to many people Green Onions are either young leeks, the tops of onions, or the stems of shallots.
The dielectric withstanding voltage test (also called high-potential, over-potential voltage-breakdown, or dielectric-strength test) consists of the application of a voltage significantly higher than rated voltage for a specific time, between mutually insulated portions of a component part or between insulated portions and ground.
Impulse withstand voltage is the voltage that is generated due to switching operation and it's much higher than power frequency withstand, but BIL or the lightning withstand voltage is a the voltage level that an insulation can withstand during surge or lightning strikes. 18 people found this useful.