for a 400kv t/m line with 10 ampere current will corona occur?
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In 110V DC supply,if a closed circuit gets open, How can we identify the voltage which is measured after the resistor(4KOhm) which is open with negative.it shows 55V +ve when measured, also the actual positive source is 55V +ve .Because there is no voltage drop in open circuit. How can we identify whether this is the voltage which is series with the resistor or the DC source direct +ve.
what is the transformer turn ratio formula and give some examples?
What will be the effect if I use inverter as UPS mood?
Which material is used for the core of a transformer and why?
A heater capacity is 3.0 KW on 415V . if supply voltage is 380Volt . what is heater capacity on 380volt . and how calculate and give formulas . Prakash veer singh Roto power Engg.
which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer
what is the diffrent between ups and inverter
why we can't use more then 50 hz in india ? Is it possible ?
why electron produce magnetic field when it is in motion?
What is the difference between earthing & neutral.
In ACS 1000 drive we used 12 pulse convertor.Why dont used 6 pulse or 3 pulse convetor
Why auxiliary transformers are not connected in parallel in primary stations?