In AC Drives How can change & control its output Frequency?
Answer Posted / super solutions
Most of the Variable frequency Involves PWM technique and
for switching purpose they have IGBT's,. By switching on
And off the IGBT's we can change and control the Frequency.
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?
what are the breakdown voltage rating of mini- curcuit'transfarmer!
What current flows in the transformer primary when its secondary is open?
Earth bits close or open. Which is correct
Define the three phase formula fuse.
what is the maximim current drawn by 1 phase and three phase welding machine
what is alluminium arm in ab conductors
What is time response of the control system?
What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.
I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF
what should be correct gas pressures to be a 1.5 ac unite
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.
what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable
What is the cut-off rate?
how much allowable resistance that can be difference in motor all coils?