how we can calculate the transformer size.

Answer Posted / bhagaban barik

KW=KVA*P.f
i.e- KVA=KW/p.f

It also depends on Utilisation factor & maintenance factor

we have to consider 30% margin for future expansion

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

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

1501


what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

1774


if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

1414


How to select a cable size for particular load?

1337


How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?

1451






Whether power factor should be high or low? Why?

663


Write a note on materials used as a fuse element.

1698


How do you determine the size of transformer radiators in a transformer?

1442


8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

8506


Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

1701


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1565


What is kirchoff ’s current law (kcl)?

644


what is the difference b/w UHVDC and HVDC(LIGHT)?

4871


why i can not use thimble on capacitor duty contactor

888


Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

2031