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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.
1 2691what will happen when power factor is leading in distribution of power?
AMET, JTO, Power Grid,
10 23255In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?
2 9241which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
GE,
2466suppose generator rating is 50 kw,load is 25 kw,hw much d generator ll generate?what about d remainin power?
NHPC,
2 5383for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
2050I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?
1836why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?
2 4704Post New Electrical Engineering Questions
is the value of inductance depends upon the value of thitha in doubly excited machine??
What are the advantages of nichols chart?
What is the method to solve circuit using source transformation?
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?
Ceiling Fan and Storage type water heater. Discuss
The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.
How is the connection of the tap changer on the HV side been made?
What is called grain-oriented laminations?
what is the difference between an alternator and a synchronous motor
is there any current and voltage drop on liquid resistance starter water/soda tank ?
Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?
State magnitude criterion.
cc of scorpio?
how to find the capacitance value of the motor while running??
