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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?
3 5500hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.
19801.what is bus cuplour and main funtions. 2.what is main function of alternator. 3.how many types of dg oils.
Bhel,
11 46970what is the essential resistance of r y b phase short citcuit ? Eg in star connection we doing this kind of short circuit oly
2319Post New Electrical Engineering Questions
What is the function of the circuit breaker failure relay?
How we can defined theecopper cable size if we know the aluminium cable size?
How much load can take a 16 mm aluminum cable 3 phase
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
What test must you do before powering up a circuit that you have been working on?
what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?
what 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?
Q: How to calculate Transformer losses , tell us by Formula.
Whether the vacuum contactor requires Short circuit protection?If No,why?
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
What are the main advantages of generalized error co-efficients?
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
how to apply b license to c license in tneb
What is PQA???Applications........
what the principle of sincroscope?how it works?when it needed?
