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if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .
1 4168where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer
1 4821Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.
1 2789in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses? the second question is-generation is depends on LV winding? or LV winding design for generation voltage?
1742if a train is running on a speed of 40 K MPH and crosses a individual passing by him in 48 secs who is riding a horse with a speed of 25 K MPH. what is the length of the train?
2 4217in a delta-star with neutral grounding on star side what will happen if one star limb got opened at star point
NTPC,
1 5029Post New Electrical Engineering Questions
Why the field rheostat is adjusted such that the voltmeter reads 380V
Instrument connected to a single phase supply
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
What we mean by vintage of an engine+Generator?
How does "OUT OF STEP" relay ,for Synchronous motor protection, work?
HOE WE CAN IMPROOVE BY USE OF CAPACITOR
How is operate breaker failure scheme in substation
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)
PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F
what is difference between 2 pole structure and 4 pole structure in transformer yard
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer
what is the isolation transformer. what is the isolator?
i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
