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Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.
2 4010What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.
2667hi friends i am harish and i have a problem plz solve it . . The problem are how to calculate the rpm of mechanical blower if any formula for calculate for this then tell me if drive shaft gear are 40 teeth and driven shaft gear are 70
1 3231while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know
2 6579why the steam turbine is not operated in home(base) load more than 1 hour kindly calrify
TATA,
4 10970I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.
1943can anyone pls expain me about how can we design a cable tray??suppose if have to draw a 3 nos of 50 sqmm AYFY and 2 nos of 35 SQmm of AYFY cable through the tray..how can we design the tray size?? regards...
3 6140neutral axis more than the critical neutral axis then rainforcement in rcc beam belong to over or under rainforcement
2 5578if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
2560
hi please send the exam modle paper for mechanical engineering. Iam attending for vizag steel plant MT
new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
what is mean by oracle?And how it is used?
Iin ESP why positive is grounded ? why not negative ?
im ranjith having 63%in my b tech with 25 backlogs,cleard all .. im having 1100 in gre and 90 in my toefl can i get visa? im planning spring 2011 pls help me i applied for i20 im applying 4 universities pls help me can i get visa? shall i prefer canada if i could not get visa?
What are the points to be considered for calculating cement reconciliation. a)Do we need to deduct the wt of cement bags b)Do we need to adjust the qty due to wt loss during transportation, loading unloading etc or else each bag can be considered as 50 kg bag c)What is the proportion of mix cover block making.
can we find the inductance of a induction motor?
What is the expansion of scada?
How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer
What are the composition of a landfill?
What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?
What is the state if the RED LED is glowing on DVxx card What is the state if the YELLOW LED is glowing on DVxx card What is the state if the GREEN LED is glowing on DVxx card Which frequency band DVDC is used Which frequency band DVGA is used
A super elevation of 60 cm has been provided on a 8m wide road and a curve of 260m radius .calculate the max.speed in km/hr of the vehicle that can be negotiated safely? Plz answer with full solution.thanx
how a TV work, & working principle of TV, what parts include for its function?
