Interested to Buy Any Domain ? << Click Here >> for more details...
what is the working principle of soft-starter & how it
diff. from VFD ?????????
- 5 Answers
- 22846 Views
- L&T, I also Faced
- E-Mail Answers
Answer Posted / mehul.soni
A soft starter is similury of DOL & Star-Delta starter.
A soft starter does control for starting current.
Where as by using VFD,we can control both voltage and
frequency,so speed control is possible above and below Ns.
| Is This Answer Correct ? | 15 Yes | 7 No |
Post New Answer View All Answers
if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value
How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?
IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com
Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
Why is the frequency not changed during transformation of electrical energy in a transformer?
can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?
when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?
What is the method of estamating of cable, CB,MCB ?
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.
what is earth resistance? how to measured? and give values at power station and mcc area?
how to select automotive wire by mathematical equation with given current, vlotage and resistance
Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?
