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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.
114675 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
3785Post New Electrical Engineering Questions
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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.
when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
What type of pipe material G.I or M.S is used for sprinkler system?
what are all the components required to assemble solar panel other than pv cell?
how does a shunt reactor maintains the bus voltage???
How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?
What is the difference between isolators and electrical circuit breakers?
what is meant by 2 within a star in a voltmeter dial?
how does an encoder work???
what are the applications of PLC?
what is the working principle of a DG Set, Alternator, & exiter
how does commutator convert a.c to d.c?
What is stacking factor? What is its approximate value?
What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines
