What is the Polarisation index value ? (pi value)and
simple definition of polarisation index ?
Answer Posted / sandipan sarkar
it is ratio of insulation resistance (IR)for 10 minutes to
insulation resistance for 1 minute.
it should be 2.5
| Is This Answer Correct ? | 35 Yes | 57 No |
Post New Answer View All Answers
What are PLC leader logic program method
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?
features of hbc fuses
Write a note on materials used as a fuse element.
Mention what are the types of semi-conductors?
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
define displacement & magnitude ?
What happened when voltage will half value of current ...
what happens to the supply voltage if there is any change in frequency?
Define liftable weight of a transformer? Does the total weight of transformer include oil weight?
Draw a block diagramof Three UPS systems connected in Parallel mode?
From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?
battery capacity use of made?
What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.
why dimmerstate always connected in star connection? what will happen if it connected in delta?