Answer Posted / ashutosh jha
An electric generator or electric motor consists of a rotor spinning in a magnetic field. The magnetic field may be produced by permanent magnets or by field coils. In the case of a machine with field coils, a current must flow in the coils to generate the field, otherwise no power is transferred to or from the rotor.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.
why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?
How to work definite,over pluxing,revers power,OSR relay
dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour
In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.
critically criticize the application of ring main unit in power system
what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)
WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.
Maintenance of transformer???
Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet
What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.
I need HT sphere gap calibration table. Can any body help me.
What is the difference between a verilog task and a verilog function?
In Plumbing services What are accessories we consider for a bathroom?
impliment (AB)`+C to transistor representation
