Interested to Buy Any Domain ? << Click Here >> for more details...
What is basic difference between Soft Starters And VFD
drives?
- 19 Answers
- 51728 Views
- IBM, I also Faced
- E-Mail Answers
Answer Posted / anup patil
The Starting current of motor is very high.To protect the
motor from the high starting current we use soft
starters.VFD's on the other hand are also called as
Variable Speed Drives where we can change the speed of the
motor from 0rpm to motor rated rpm by varying the
frequency.It is mainly used to operate the motor at its
variable speed.By use of soft starters the motor reaches at
its full load smoothly and after reaching at its full speed
it acts as a VFD.
| Is This Answer Correct ? | 8 Yes | 11 No |
Post New Answer View All Answers
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
How much load can be taken for chiller from 1500 kva transformer
Give some example of fault limiting devices?
If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?
What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan
what is the formula of starting current of 3phase and 1 phase motor???
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
What is difference between YNyn0 and YNyn ??
What is routh hurwitz stability criterion?
I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????
What is essential to prove safe isolation of electrical circuit?
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?
hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects
what happen when increase or decrease size of lamp,light.glass.
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
