Answer / vijay balu raskar

1 phase means it carry currents by 0 degree phase shift and 3 phase means it contains 3 phases which is 120 degree apart from each other.

3 Phases carry currents equally in each phases by 120 degree apart.

Answer / sunil

1 PHASHE supply used where consumer need 230 v supply & for consumer which need 440 v supply 3 phashe used

Answer / simon peter

In india there is a system known as colour codeing. If we r dealing in 1 phase v take red wire as phase & black wire's colour as neutal.Same type of coding is done in 3 phase I.e red,yellow ,blue. They r 120°electrically different during production from alternator but the neutal wire's colour code remin sme as in 1 phase.....

Answer / guptar48

Single phase used normally for domestic purpose where we
can use sigle phase equipments and 3 phase used for
commercial where we can use 3 phase machines.

Answer / viswa

phase angle is varied by 120 degrees...
earth line is used to protect in 3 phase lines..

Answer / vipul

In a single phase system there is a one phase can used to
supply the system & in a three phase system there is three
phase(R,Y,B) can used to supply the system

when two gen set runing in parallel but thay have diffrent pole pitch, then what will be happan

0 Answers  

what are the stresses in circuit breakers ?

0 Answers  

what is skin effect?

6 Answers   MPSEB,

pls,send the previous year written test questions.

0 Answers  

how many amps in 1KVA?

16 Answers   TATA,

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

What is transient response?

0 Answers  

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

0 Answers  

Earth bits close or open. Which is correct

0 Answers  

what will happen if we give a dc supply to a transformer.?

10 Answers  

What is the deffirant between EARTH, GROUND AND NUTRAL

4 Answers