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I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????
2 4479Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
2163There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2
1858What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?
2022I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
Bhel,
2093How to design power source say 5KW i/p :415v 3 ph, o/p 5KW constant, variable currnt and variable volatge 10-230v,
2 4455Post New Electrical Engineering Questions
why dc is used in control circuits for MV & LV switchgeras instead of ac
why to use freewheeling diode ( diode in revers bias mode) across dc coil
Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?
i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula
WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?
why the voltage and current in a long transmission line are called travelling wave?
1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
which metal is use in shunt
How many kinds of E.L.C.B and how to work E.L.C.B
What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?
what is the function of gss in the dg set.
please write motor, transformer, Generator setting, fault level calculation of Tr.etc
I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR
what happen ehen synchronisation is done at below rated speed
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
