Answer Posted / fahad
bcoz the power factor of load is not known during the
manufacturing, this is also done during load calculation.
For reference you can see a indian book " B.L Theraja -
Electrical Technology" ....
| Is This Answer Correct ? | 7 Yes | 2 No |
Post New Answer View All Answers
what are the different methods for the starting of a synchronous motor.
What are high pass filter and low pass filter? and What are the flowmeter ?
what is magnetizing and demagnetizing current in generator and motor?
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)
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
i have interview in Pepsi company what type of question will ask please send the question and answeer
why steady state stability limit is greater than transient stability limit ? How it can be explained ?
how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???
How to calculate the efficiency of Turbo Generator(Alternator) in general....?
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
what is KA rating and how can we choose switchgears on applications
When and where resistance earthing is used ? How to calculate the time constant for earth fault
what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?
WRITEDOWN FEW RELY CODES
What are different types of control systems?
