If a line which is drawing approximatly 2100amps what should be earthing streep size(using galwanize streep)?
2 2888how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
17451.Why we use choke?If we use for high starting voltage then different type choke gives different voltage. Is it correct?
2 4649which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon
2 7447If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
2257How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........
BOC,
1923what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
1631Post New Electrical Engineering Questions
what is the meaning of WYE and DELTA in Electric meter?
what rectifiers is and what are the types of rectifiers?
what is the usage of microcontroller in the panel board?
how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence
How many size of cable required for a 300m long and 30kw inductive lode
What is CVT and what is relation with wave trap?
please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.
How we calculate the size of ht cable for any transformer
what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing
I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF
What is essential to prove safe isolation of electrical circuit?
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
I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?
