In separetly excited m/c,we excite the field by a dc source,what not with ac source?
Answer Posted / mamun
the dc source can be found easily and also the dc voltage is
not fluctuate from battery, so the machine can start normally.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
what is meant by k-rating in isolation transformer?what is k9, k14 stands for?
What is kvar?
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
how to changeover ups in this power failur time?
can u describe the method used for protection of transmission line.
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
how we can set the IDMT relay.
we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.
What is the selection process of breakers. Can any one please give a formulation on same?
How to calculate capacitor bank size at a load 800kVA.
A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.
How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon
Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.
explanation of mesh bus bars
we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?