what is real time system type definition1 3217
when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?2 3353
IN HT MOTOR HT REFERS TO HIGH TENSION OR HIGH TRANSMISSION?11 12881
what is the advantage of pwm pulse compare to squarewave pulse.2 5390
Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?3 11761
how does an energy meter works?4 6768
what is joule?2 4249
what type of protection and safety req. in the 220kv substaion and area around the substation2 8584
What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?1336
I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.1446
We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?4 7869
Circuit diagram of tube light without starter using electrical choke
what is fault level of power system ?
description about dry type transformers
11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter
What are the applications of autotransformers?
Why is remote backup preferred to local backup?
why ss stablity limit is more transient stablity limit?
can we install HT panel & LT panel side by side or how much clearance is required ?
How to detect voltage vector shifting in interconnection protection.
what is difference between earthingpits,earthing grid & earthing mess?
Write down the name of 2 lady Bir Pratin of Bangladesh
I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?
What is meant by coupling capacitor?
i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?