why substation ratings are multiple of 11 means 11\33 kv
substation

Answer Posted / vijay yadav

form factor of ac is a multiple of 11
generation is in average value
while ratings are in rms
and rms value = form factor*avg value

so no matter generation is at which value
rms rating will always be a multiple of 11

Is This Answer Correct ?    21 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com

1580


How servo stabilizer works.

1633


Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1503


hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

1293


What is a compensator?

659






Why 1/3 is used in symmetrical components?

1382


How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1337


Why hydropower stations are preferred solution for meeting peak loads in grids?

574


What is inrush current?

637


What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1587


what is the difference between rectifier and converter and commudator?

1469


Why is a plain induction motor unsuitable for wide speed control?

1817


Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

1746


If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

1603


HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....

1605