can transformer develop three phase poer from a single
phase source?
Answer Posted / guest
by phase shifter
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
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 will be in Mahagenco Trade Test Exam? I want to know the same.
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
The power supplied to a 50mH inductor from a 120V, 60Hz source will be
What is the difference between line drop and percentage line drop?
is there any phase difference occurs while primary and secondary side mutual induction occurs?
Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
if i am in front of transmission line how to know that current direction without any equipment
how to control the speed to switched reluctance motor
what r the checklist while installing a 380 kva DG set
what work will do diffrential realay DG set
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"