What is auto changeover and how it works plz write details.
Answer Posted / hpl
autochangeover scheme applicable for 2 transformer
feeder/feeder and one buscoupler or 3 incomer 1
buscoupler.when one incomer will down(only under
voltage).buscoupler will come automatically.voltage sensing
relay is required
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV
How many points does a Circuit can have?
What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
EXPLAIN THE TRANSFORMER MAINTENANCE?
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >
which type of effect of turbine and generator reverse power protection ?
Why we cant store an ac power. If we coo store in which device we can?
What do you mean by Frame 5 Gas Turbine as well as Mark II.
If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?
what is the difference between an alternator and a synchronous motor
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
why the active power flow of some line is increased when the active power of out is cut ?
how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?
what are the differant std sizes of cable trenches?