if we have 380 KVA DG. how to calculate Power Factor. With detailed formula1 4897
why ht11kv supply needs discharging during shut down time1 2793
What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?2 5343
What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?1716
why rating of generator is kva but motor is kw ?4 10781
how to identify small motor and generator?1 3116
what safety use in electrical panel3 4978
What is class X ct? What rare its uses?2 5039
1.What do you mean by inductive and capacitive parts of an electric circuit. 2.What do you mean by decrease of inductane and capacitance of a network? Please dont give me the text book answer.3. What is class X ct and its applications?2 3216
list the type of vfd? wich is sutable for heating kiln?1425
How to calculate & connection of 900KVA generator 2 sets & load(1500A)? How to choose cable size and ACB size for this load & generator? please explain me detail. Regards, Mr.Han3 8793
working principle of AC Servo Motor with its construction
what is IP65 & What is its advantages1 3744
how to reduce the transformer size in ups ?2 4095
which type of motor is used in automatic swing gate
1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?
why does rotor rotets?
how to calculate compresor capacity?
define the non synchoronism of synchoronous machine in general g or m??
A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?
Draw the DOL starter and star delta starter drawing?
WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?
Hoe do calculate the Cable size for Amps rating ?
How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?
Define cut-off rate?
what happen ehen synchronisation is done at below rated speed
What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.
Why power factor should not be in leading (capacitive) mode of any load.
BSNL TTA EXAM QUESTION