Answer / ashok bhatnagar

There are two ways to do it :-

1. A single phase AC supply can be converted to two phase
by using a capacitor to provide 90 degree phase shift as
done in single hase AC motors. The two phase supply so
obtained can be converted to three phase using a scott
connected trasformer pair.
2. Use a single phase AC / universal motor to run a three
phase AC generator. The output will be three phase.

Answer / naveen kumar mishra

A transformer acn not develop three phase power from a
single
phase source.
deu to===========
01)-single phase has only one phase syquence.
02)-a three phase transformer has three phase primary
winding it need three phase rotating magnatic field that
can not achive bu a single phase source.
03)-if we will apply single phase source at three phase
transformer,s primary winding then only one primary coil
will exited for inducting so we can achive only single
phase power output.

Answer / prashant singh

no a transformer cant develop 3 phase power through a
single source.because single pahse source con not generate
3 phase.

Answer / ramizpathan

no,trasformer can not develop three phase power from single
phase,
whereever,scott-connection conver 3 phase to 2 phase

Answer / basavaraj.t

no

Answer / vedprakash uppadhaya

yes a singal phase source can develop three phase by using
scott-connection

Answer / minto

yes because me make 3 phase transformer by the help of 3
sngle phase transformer.

Answer / aaman samal

FROM SINGLE PHASE TRANSFORMER 3 PHASE CAN BE OBTAINED BY
USING A PHASE SPLITER WHICH WILL MAKE THREE DIFFERENT PHASE
SEQUENCE.

Answer / alex antony

No. Phase converters or phase shifting devices such as reactors and capacitors are required to convert single phase power to three phase.

Answer / m.ravi

yes

why do we carry out winding resistance test?

0 Answers   MahaGenco, MAHINDRA,

Iin ESP why positive is grounded ? why not negative ?

0 Answers  

Differentiate AC and Dc resistance

0 Answers  

how much current does 3ph a.c & d.c motor drawn.Plz. provide formula with example.

5 Answers  

Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

0 Answers  

what is reactive power?, why its measured in VA ? is it transient behavior of system?

0 Answers  

i am electrical engineer i cant get job in pure electrical industry ,but i got job in instrumentation field whether there is good scope for me, as i am fresher i m not well with the industrial trends so any experienced engineer pls reply me

2 Answers  

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 Answers  

how to find the resistance

3 Answers   Saint Gobain,

Induction motor & transformer both has magnetic core,then why induction motor is a inductive load & transformer not???

6 Answers   SBL,

will we get shock from dc?

12 Answers   L&T,

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

0 Answers   Tata Power,