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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
2045why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation
1936What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?
3 10185How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?
Bajaj, Eagle, Godawari Power and Ispat, Havells, L&T, Mascot, Polycab, SGML, Sterling Wilson,
12 193689Post New Electrical Engineering Questions
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
what is sevice settings for mccb?How can be it setted?
What is time response of the control system?
What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?
how is the testing of an REF relay? what are the test REF circuit having?
What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?
Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
what is the basic construction diffrance between servo motor ans sqiralcage induction motor
Can a generator runs after getting 1st stator earth fault.
What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?
please write motor, transformer, Generator setting, fault level calculation of Tr.etc
why we can stote dc? why we cant store ac?
What must be the minimum distance maintained between 2 Generators as per International standards?
explain different types of d.c motors?
