1.what is bus cuplour and main funtions.
2.what is main function of alternator.
3.how many types of dg oils.
Answer Posted / murali
Buscoupler is nothing a but a breaker which is medium of
the two source(two I/c) and it operate while absent of
eightr one i/c for uninterruption supply to Load
If Both I/c ON Buscoupler should OFF,
If any One OFF buscoupler should ON
| Is This Answer Correct ? | 18 Yes | 1 No |
Post New Answer View All Answers
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?
Earth leakage relay basic knowledge principle
What is the difference between line drop and percentage line drop?
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
what is the difference between ups & inverter
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
what is distribution board?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
R=*ΒΆ l/a
What is the function of capacitor in electrical circuits?
List the power rating of any 5 important electrical appliances used in houses.
how to calculate the lightning arrester conductor @ no of earth pits required
why we use copper earthing for neutral while for body GI.
What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?