What is the Polarisation index value ? (pi value)and
simple definition of polarisation index ?
- 15 Answers
- 75968 Views
- Essar, I also Faced
- E-Mail Answers
Answer Posted / sukhvinder
it is ratio of insulation resistance (IR)for 10 minutes to
insulation resistance for 1 minute.
it should be 1.5
| Is This Answer Correct ? | 131 Yes | 56 No |
Post New Answer View All Answers
Draw the single line diagram of the power station?
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
What happens to a motor if it is connected in Delta connection
WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?
why only exciting current is shown not primary current in transformer???
Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)
Why does the Solid state Rectifiers for 3-ph brake motors sometimes have 2 & sometimes 3 output terminals?
a simple c++ program to calculate simple interst with its data members as private
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
What are the properties of a resistor?
What is meant by vector group
if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please
Block diagram of Power line communication?
what is feed back and what are feed back amplifiers?
