advantages of vvvf drives over non vvvf drives for EOT cranes
Answer Posted / laxmikanta sasmal
low energy consumption,faster and smooth operation,high grade safety,reduced maintenance cost are only the reasonS
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Why is the starting current high in dc motor?
Difference between megger test equipment and contact resistance meter test instruments?
How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?
boiler is running in rankine cycle and deisel generator is....?
What would be the size of wire used for 2 Ton of window A.C?
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION
I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
Define end float in a motor?
State the factors, for the choice of electrical system for an aero turbine.
Can you explain about Restricited earth fault protection scheme
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
When and where resistance earthing is used ? How to calculate the time constant for earth fault
Which type of questions well asked. ?
main difference between ac and dc?