Transformer AC Voltage Withstand Test| Power Frequency Test| Hi-POT Test of Power Transformer

After watching this Video, We'll learn about
What is AC Voltage withstand test of Power Transformer
Purpose of AC Voltage withstand test
How to perform AC Voltage withstand test of Transformer
Result of Test
Question
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Thank You for watching the video

[@SchDas100]

Switching impulse and lightening impulse are voltage applied momentarily.where as in ac voltage it is applied for 1 minutes.

[@electricalexpres]

👍

[@madhu8859]

Brother... I need to test hi pot for transformer 22kv /430 v Dyn11 3.36mva
How to apply primary
R Y B short and inject test volate
Secondary RYBN short and Ground
Hi pot return wire connwction also connected to ground
Is that correct way to do hi pot..
My doubt is if we doing stability in transformer we applying 415 V in primary and we donshort insecondary its creat huge current...
As same we in hi pot when i am going to inject hevy voltage is not a dangerous?
Pls clarify

[@electricalexpres]

Hipot test we do for checking the healthiness of the insulation of transformer, we apply DC voltage and take refrence to the ground.
If secondary side is shorted and grounded, current will not flow through secondary since it is grounded.

[@madhu8859]

@@electricalexpres thanks so much for your valuable reply... ❤️👍

[@raahullkollhe]

Ye pdf provide kijiyega

[@electricalexpres]

Please take the screenshot