what the main difference of the 3 phase and 2 phase power
supply??
Answer Posted / lovkush rastogi
A single phase has no neutral point but A three phase has neutral point,
so,that causes a single phase indutoin motor doesn't self start & A/C to the three phase wireing of domestic houses in three phases.
| Is This Answer Correct ? | 2 Yes | 6 No |
Post New Answer View All Answers
State the types of distortions in amplifier?
What are your future plans for the company if permanently employed?
Name of the relay of low lub oil presuure in DG sets
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
What is the difference between acs 550 & acs 850
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?
sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
should %impedance be high or low in a power transformer? if so why?
i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
Is there any abbrevation for STUB in Stub bus protection
How much no load current of synchronous motor
why -48 volts dc used in telecommucation