What is the difference between area and corona in impulse testing machines?

[erma mercado]

hi I am erma mercado from philippines. I am in an electronic company.. we're using different kinds of testing machines. including impulse testing..can someone elaborate area, difference area and corona?

 

[Evo]

Hi erma, you will need to post in the appropriate forum and give some specifics. If your question is too vague, you may not get any answers.