How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?
1 74501. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
Asian Power, Bhel, Focus, Focus Energy, L&T,
6 13402what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
1782We have 2 Nos. Transformer with the capacity of 2000KVA and 1250 KVA and currently using only one 2000KVA T/R during operational hours while non- operational hous 1250 KVA T/R also used to reduce T & D losses. Similarly, 2 capacitor bank of 500KVAR and 300 KVAR also installed to balance reactive power. Now problem is around 1000 KW load PF is not maintaning 0.99 as 350 KVAR capacitor is in healty condtion. Now the PF is maintain 0.95 to 0.96.
2 6163How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
2625Post New Electrical Engineering Questions
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?.
what is through fault?
Why temperature rise is conducted in bus bars and isolators?
Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
What happen when change order of CT in GIS feeder?
How many types of electrical earthing are there?
What is slope...? Explain slope 1 and slope 2...?
How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?
what is Fan Control Cubicle
if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?
will 1050kva DG set withstand for back charge of 16MVA transformer
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............
What is the effect of solar radiation on the design of an Isolated Phase Busduct?
in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?