KVA transformer of different frequencies of
50hz,100hz,500hz&1000hz. which one of these transformer has
big size? Give reason
Answer Posted / vijendra joglekar
well transmission & distrubutions transformer(Electrical)
dosent decide by frequency normally it will comes as 50 hz
or 60hz depends upon country these transformers vary there
size by rating not by frequency .But in power electronics
transformers (Normally in Power electronics circuits for
example Switching on SCR HIGH frequency signal is required
were 500hz or more are used which is normally smaller size
but designed for very high frequency)
Is This Answer Correct ? | 14 Yes | 5 No |
Post New Answer View All Answers
why is the power generator connected as star earthed or star earthed through reactance and what its features ?
How earthing/grounding done in aeroplanes and ships.
why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?
What is an 86-P or an 86-A trip
How we select the vector group of 3phase power transformer?
what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line
Terminal blocks is used for segregate the connections... There is any principle for terminal block..?
pls,send the previous year written test questions.
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
why don't we use the generator as a motor? and what will happen?
What is the meaning of utility ground and clean ground? How the distribution panel is grounded?
how to select the isolation tranformer for siemens 802dsl cnotroller
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
What is zero of the system?
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.