How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??
Answer Posted / sukhvinder
differential relay which operates on two or more similar
quantities i.e voltage,current.
in this relay under normal condition, no voltage flow
through coil i.e vi+v2=0 but in abnormal the differnce of
two voltage i.e v1+v2 will not equal to zero. so that
voltage will flow through the coil further protection of
equipment/devie/system etc.
Is This Answer Correct ? | 4 Yes | 5 No |
Post New Answer View All Answers
with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....
What are the uses of stepper motor?
5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........
Define conversion efficiency of a power amplifier.
What is Auto Mains Failure Panel & Auto Synchronizing Panel
What is the types of HT motor testing
what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.
what is the difference between the characteristics of two different phase bushing of any transformer
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
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.
Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph
What will happen if the voltage in my house drops from 220V to any lower voltage?
What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?
What are the transformer losses?
What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design