Answer Posted / kumar.m
Variable frequency drive,if one motor working full speed ex-
chilled water pump but there is no full load if u fix a VFD
in motor frquency propotional to speed when reduce
frequently automaticaly reduce also speed.that time motor
will run depending upon load,this type we can save power.
| Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
Discribe type of fault in DOL and stardelta startor.
How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
What are the three types of compensators?
Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.
hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com
what is protection class current transformer.
explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.
What is acsr cable and where we use it?
why chock were used in old tubelights but are not newest tubelights?
why we not used 11kva as a direct our electrnics component.
What is core CT & it's function?
What are the main advantages of generalized error co-efficients?
at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds