Answer Posted / sudhakar.net26
1. Cooling system of alternator is not economical for higher voltage.
2. Voltage level depends On the insulation. Insulation cost is not economical for higher voltage (above11kv)
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?
If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.
how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it
what is meant by residual over voltage & residual earth fault ?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
from which formula we select a capacitor rating?
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
Draw the line diagram of diffretial relay connected to transformer?
it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.
Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc
What is the difference between AC and DC injection methods for rotor earth fault protection
how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?
can any tell me why slope 40% and 80% is calculated in differential protection?
before synchronizing an alternator,power factor is leading ,why?