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which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.
Bhel,
2 10886generaly all power generating devices is expressed in KVA or MVA then why power ststion is expressed in MW
6 13901What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.
2 12497Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.
4 8056Post New Electrical Engineering Questions
How to Calculate KA Rating of Main LT Panel
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?
what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
why ten delta testing is carried out on power transformer
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
What is Harmonics how it is produced and what is the method to control the same
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.
What are the various kind of cables used for transmission?
Why two phase welding machine is used instead of three phase welding machine.
How to calculate Ith (I thermal) for curent transformer
Define what is difference between fuse and breaker?
On 400 amp factory load how kvarh capacitors provide
