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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is
2381i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.
2121we use Dyn11 trafo for distribution purpose, if it`s possible for replacing Dyn1. if it`s change means what will happen?
1 5056what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?
2091two transformers of the same type, using the same grade of iron and conducting material, are designed to work at same flux and current densities, but the linear dimension of one are two times of the other in all respects. The ration of kVA of the two transformer closely equal to................? options: 16, 8, 4, 2
2 15960How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side
1846th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
HMC,
1967Hydro P.P. run @ 600 rpm,8pole, Nucler P.P @ 1500rpm 4 pole , ThermlP.P @ 3000 rpm 2 pole.Why this diffrence??? when we can generate electricity @ 600 rpm then Why we had incresed speed in NPP & TPP???
3 5083Post New Electrical Engineering Questions
Fantio of tranformer
TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?
What is depreciation factor?
armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?
which type of amplifiers are used in multimete?
is ac supply can store
Haw to check conductivity of budbar
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
What is the importance of earthing?
What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm
What will be the current if the resistance total in a series circuit doubles?
If not into production, how far did you follow the design and why did not you see it into production?
