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_____hamari_____tumhari____ne dil ki_____utari. _____ne ____ dekha ashe ___ doshti ko lage na hamari.Complete pajal
1 4222how we calculate electricity unit ( meter unit.. for knowing how many charges) from on motor load.?
2 3072A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
VECL,
2555With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.
VECL,
1915Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.
VECL,
2156A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
VECL,
1837A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .
2591Post New Electrical Engineering Questions
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor
how to protect motor in dol starter having capacity of 30 hp.40 hp?
What is difference between Sample test and Routine test in safety standard?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
How do we calculate the Out put voltage of generator, after the excitation is being given?
full form of electrical?
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
what is reactive power?, why its measured in VA ? is it transient behavior of system?
How to calculate the copper in HT motors if KW, RPM & Voltage is given
if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit
Why is tan-delta test and capacitor measurement done on alternator?
concept of busbar and load dispatching..?
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
Control wiring of a dol starter for forward and backward
