Answer Posted / fowzan
L -Protection against overload with long inverse time-delay
trip
S -Selective protection against short-circuit with short
inverse or defi nite time-delay trip
I -Protection against instantaneous short-circuit with
adjustable trip current threshold
G- Protection against earth faults
Is This Answer Correct ? | 194 Yes | 3 No |
Post New Answer View All Answers
Whether power factor should be high or low? Why?
In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
can we install HT panel & LT panel side by side or how much clearance is required ?
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating
How to minimize the eddy current losses?
Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.
What is the function of retrip in busbar?
what is difference between 2 pole structure and 4 pole structure in transformer yard
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F
During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?