how to select the rating of neutral ct with reference to
transformer secondary current(in power transformer,stepdown
tansformer,for example2000kva,11kv/415volt
Answer Posted / k.prakashchandra
NCT should be similar to line CT's
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....
how to find Harmonics and types as per the equipemnts
what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.
How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
why the value of k is more in shell typr transformers?
What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.
Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?
Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..
where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz
please send me latest & previous years question papers for IOCL Technical level questions
How to calculate the sag of OPGW during stringing???
how freewheeling diode improves the powerfactor