Answer Posted / shahulsnfa
In addition to Variable speed operation, VFD can be used as
motor starters which normally makes the load to take only
one time of the rated current at the time of starting. in
large motors you may find VFD as starters also it reduces
the harmonic level in the AC supply to which the load is
connected.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
Mention the difference between Analogue and Digital circuit?
How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?
Please explain me abt PQ diagaram in the power sector.
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?
How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?
what is thresold of perception
What is accuracy of a measurement?
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
Which cable is use for rtcc control panel
What is Tachometer used to measure?
what is the write prosidure of stringing of 8meter pcc pole.
Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
In EB metering we face problem kva jump even in no load condition.can any one help to control this