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What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines
1800What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?
1904Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue
1 2405I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience
1642what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks
PCL,
1645before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water
1660what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
1642Post New Electrical Engineering Questions
i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls
why current is constant on d.c?
WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
explain different types of d.c motors?
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
Is potential difference materials property ..? if yes tnen how.. explain brifly.
What is the meaning of Insulation H for transformers????
what type of motor used to move a 1 ton gate? and relate ratings with load.
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
Lt motor sfu flashing reasons?
WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....
i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester
What is center gravity load in substation?
Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed
