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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?
1 34661.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
4764what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?
BARC,
1892how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?
BARC,
1 3407Post New Electrical Engineering Questions
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
Iin ESP why positive is grounded ? why not negative ?
How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.
Vaccum circuit breaker
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
Why are the cores of large transformers built up of circular transactions ?
Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics
state basic meaning of 'INDUSTIAL AUTOMATION'?
my bachelors was done with EEE now i got admit in NU with CS as course. how to answer this qns 1) why u choose cs? 2) why u changed from eee to cs
What are the functions of different probes used in cro?
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
how we can do the insulation on secondary of ct explain and so that tan delta will within limit
can u give me a brief idea about power line carrier communication ??
is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?
why current is constant on d.c?
