Interested to Buy Any Domain ? << Click Here >> for more details...
If a fan get trip and run in reverse direction due to
system flow. Now in this condition during starting how can
a VFD bring this negative speed to zero and later run in
forward direction?
- 2 Answers
- 5926 Views
- Aditya Birla, Siemens, I also Faced
- E-Mail Answers
Answer Posted / santosh
First stop the system folw.Make the reverse direction in
VFD & decrease the speed slowly.Now make it forword and run.
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
What is step signal?
why the neutral line is not giving shock to us if we touch it ?
How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540
Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632
How vfd saving power.
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
what is a bus post insulator? explain its application in a substation.
Where voltage are high and current to be interrupted is low the breaker preferred is:
How to know of any cable size if there are not written on cabl?
WHY BREAKER ARE USED IN SUBSTATIONS?
When lag/lead/lag-lead compensation is employed?
What is the dc grounding system and what is diff between AC/DC grounding system?
when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)
What will happen if a dc source is given to a tubelight. Will it work or wont it work....
how to calculate units consumption for a 12 hp motor /hr.
