Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole
As a safety measure , the tr is completely isolated
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Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?
what is LOS(line of sight)?
Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None
why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?
6 Answers Accenture, Bhel, Reliance,
What does the term “voltage regulation” means?
can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?
why we are using DC violtage for testing of cables....which is used in HV AC applicatons...
In Transformer testing at Shop test we normally test for vector group, open ckt.,short ckt. but what are the other test performed for transformer once it reaches at site.For e.g:if the transformer is dry having rating 1000KVA?
what is model question rrb junior engineer electrical gr.II
what are the uses and applications of rectifiers?
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