What is basic difference between Soft Starters And VFD
drives?
- 19 Answers
- 46794 Views
- IBM, I also Faced
- E-Mail Answers
Answer Posted / paras
vfd used for the speed regulation & soft stsrters are used
for smoothly starting of induction motors. principles &
application of the both is different.
| Is This Answer Correct ? | 15 Yes | 3 No |
Post New Answer View All Answers
why connecting surge unit in contactor coil
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
in 132kv substation CRT means
what is diff. between earthing grid,earthing mess, earting grid?
if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain
Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
Why hydropower is called renewable source of energy?
What is the minimum underground tank size capacity considered for firefighting purpose?
hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why
What is I to C?
what is advertised hop count
The power supplied to a 33microF capacitor from a 120V, 60Hz source will be
Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?
what is LSR?
thyristor controlled APFC panel design parameter?
