how we can calculate the transformer size.

Answer Posted / v v s reddy

Check the following conitions

1. Rating of transformer is sufficient to totao load
2. Thermal loading on the transformer during motor starting
3.Voltage available at motor terminal during motor starting
4.Voltage available at bus during motor starting

Is This Answer Correct ?    7 Yes 16 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is interpose? where it is used and why it is used?

637


Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

692


what is magnetizing current test in power transformer

2186


What are the differences between single phase and three phase?

1539


I have two PLC processors. I want to communicate both processor with each other. How i can do so?

1738






What is the resistance of the field winding of a d.c. Shunt generator kept low?

633


What is the difference between the transmission line and distribution line?

671


Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

1678


In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

1622


What is the dependency of stiffness on load angle??

836


We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

1677


Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.

738


why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3199


DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

1636


how we provide neutral earth on synchronising panel as per electrical standards?

1598