for preparation of design note of 11 / 220 kV , 3 phase, 63 MVA transformer how can calculate or consider the iron losses and copper losses1 1395
How to calculate sand,cement for 1:5ratio brick masonary4 4995
what is the difference between rccb and elcb?1 1874
Why is it that bus reactors are not accompanied by a neutral grounding reactor whereas a line shunt reactor is? PGCIL does so.2 5338
What would be the quantity of cement:Sand:Aggregate (1:2:4) requirement for slab casting measuring 1mtr x 1mtr x 0.10 mtr (4 inches)?582
Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?
can we control operation of PLC from operator station?3 2194
On what principle the sonar/ radar works3 3371
why to use 50hz only in tansmisson and as well as in distribution why not60hz?2 1586
how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?471
In a overhead system why the voltage between line &ground is taken for basic comparison ?and in case of underground cables the comparison take only by the voltage between cables?
There is a toy train that can make 10 musical sounds. It makes 2 musical sounds after being defective. What is the probability that same musical sound would be produced 5 times consecutively? ( 1 of _____) ?
What is breather frequency of tank?
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
Causes of F.O. Purifier abnormal flow?
What are the points to be considered for calculating cement reconciliation. a)Do we need to deduct the wt of cement bags b)Do we need to adjust the qty due to wt loss during transportation, loading unloading etc or else each bag can be considered as 50 kg bag c)What is the proportion of mix cover block making.
why the reaction turbines are not exposed to atmosphere? and why the impulse turbines are exposed to?
Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks
what is the use of choke and starter in the tubelight?
What is inverse definite minimum time lag relay? Where is it use?
what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?
types of central Air conditioner plant?
difference between servo motor and synchronous motor
What are the effects of ageing or using second hand IC or other electronic components?
This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?
What is the Diesel consumption between 82KVA DG Set and 180KVA DG Set for 1 hour.
WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM