vamsi kancharla
@vamsi-kancharla-kL9oxU Member
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Recent contributions
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Replied #Threads
Max load that can be connected to 100 KVA transformer
specify the loads clearly in terns of their nature
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Global Power grid - boon or bane...?
Justin Joseph2014 was the year which made our country ,INDIA under the National Power GRID. This major transformation had many advantages and disadvantages in our national...
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What is the concept of Live and Neutral Wires?
if the supply is balanced current flowing through neutral is 0 practically no load is balanced the present p.s is unbalanced one so neutral carry some...
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Efficiency of the Transformer
Ajay goswamiwhat is the efficiency of the load transformer when it is at no load?? what is when it is connected at full load ?the no...
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Power Line Carrier Communication
due to mutual flux there will be some disturbance in the line but the sub station will havw a separate device which divides communication signals starting...
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Which Type of Motor is Used in Air Cooler?
s u jadejacan capacitor start induction run motor provide high torque at starting time?that depends up on the rotor resistance if resistance of the designed rotor...
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Which Type of Motor is Used in Air Cooler?
jyothirmaijosir/mam can u specify the type of motor which is used in air coolers......water cooler has two motors one for water circulation and other for air...
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Reg: Calculation for Diesel generator size
paramasivanDear All / Engineers, I need to know what are the steps to follow to calculate the exact size for the diesel generator to be purchased...
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What is the highest transmission voltage in India?
KARAD123What is the highest transmission voltage in India? I didnt get any exact answer.AC- transmision line --1200KV comissioned 6 moths back traditional ac lines will be...
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Which Type of Motor is Used in Air Cooler?
jyothirmaijosir/mam can u specify the type of motor which is used in air coolers......air cooler consists of two motors one is air blower motor it a...
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About Books: Electric Machine By P.S. Bimbra, Electric Machines By Nagrath Kothari
the soft copy of dp kothari which is a scanned copy available in the net in the form of pdf you just google it you find...
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Mobile Towers Not Killing You Softly - Indian Cellular Operators
in my view as we know that the microwavesd has tendency of heating when ever we had a coversation in a mobile we can observe the...
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VA output of a ups after 3 years of usage
the power delivered by the ups will be same i.e. 800VA will doesnt change based on its age the amount of power supplied by the ups...
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bridges in electrical measurments
energy stored in the capacitor is given by Q=0.5CV^2
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SAARC Satellite - General Discussion
developing SAARC satellite will be very use full for good communication among these countries afghanistan and india have good sateilite system but rest of the countries...
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Motors for a mini submarine
dhruba sunuwari am going to make a submarine which weighs 4-5 kg.. i am thinking of using 2 motors for the movement. what kind and specification...
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Motors for a mini submarine
use dc series motors they will be available in the market in small sizes so that you can drive the load use 12v motor
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Effect of frequency on motor
w=v*i*cosA W=POWER,V=voltage,I=current,cosA=angle subsitute the values by keeping voltage and power constant so that you can undestand
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Connection of motor to supply
there is no difference between star and delta connected motors line voltages and line current and line currents for STAR line current supplied to the motor...
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Single phase transformer modelling
it depends up on the load that is going to be connected to the transformer
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Transmit Video Through Light - Your thoughts?
optical fiber communication is the only way to transmit through light and there are no other ways
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Pure Sine wave UPS design + Circuit Diagram
kashmirihasanHow to make a pure sine wave ups ??? any circuit diagram? and what is the difference between a pure sine wave ups and modified sine...
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Micro Hydro Generator Project EEE
Ahsanul haqueI have to submit a project on march. please look this video I am interested about this project :Electricity generator by using rain water. but...
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1000VA UPS Circuit Diagram
BabatundeHi, I am a 500 level student in the Electrical/Electronics department. my final year project is the design and construction of a 1000VA UPS. I'll need...
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Transformer modelling in distribution system
i didnt get your question please specify your doubt clearly
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Which electric component heats up quickly upon supply of power?
filament based lights will heat up quickly when compared with others
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Capacitor as loading device
Jeffrey SamuelWhat exactly is the loading effect of capacitor? I found this as one of the main applications of the capacitor in electronic circuits. The book...
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Negative temperature co-efficient of reistance
#-Link-Snipped-# negative temperature coefficient of jfet in terms of electrons hole i think this link will be usefull to you
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Corona effect
one cannot explain corona effect clearly but we can get it by refering several text books so that we can understand clearly i will sugest this...
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Single phase induction motor - time taken to achieve max speed
the designing of any machine depends up on the time constant that we keep if time constant is less the machine gain its speed quickly if...
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Doubt about Alternator
SarathKumar ChandrasekaranThe current produced in Alternator is directly proportional to the Engine rpm.Higher the RPM higher the current output.You should note that there is a min...
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Doubt about Alternator
sam76sir, I have a doubt that " How much current can alternator produce depending on the engines RPM ?for an alternator the RPM must be kept...
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PMDC motor and other electrical machines.
zaveri1. Permanent magnet DC motors have a permanent magnet as the field magnet. According to laws of physics, a permanent magnet loses its magnetic property if...
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Rating for ac & dc
Vishal1485AC has more voltage rating than DC, but still companies prefer DC voltage for running machinery. Why?will you please mention the machinary so that proper answer...
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Why only we use 3 phase why not 5 phase
for 3-phase peak voltage can be obtained well when compared with 5 phase
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How does a capacitor fail ?
zaveri1) maybe the title says it all. what i want to know is that how does the electrolytic capacitor used in induction motors, get fagged out...
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Why Do We Use 5v Or 12 Volts For The Electronic Devices ??
if we consider a 12v battery is large when we take 120v battery its size will be big very large so 12v battery is recomonded to...
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Why Do We Use 5v Or 12 Volts For The Electronic Devices ??
rajtheking46why are we using only 5volts or 12 volts as voltages for the electronic appliances???it is not manditory to use 5v/12v this voltage rating depends up...
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LEDs vs CFLs
Mano Ranjithcan led lights can be a good replacement for incandescent lights..or cfls can be usedyes LEDS works most efficient when compared with CFL s/incandiscent lamps...
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Earth Potential
pinankWe say that the potential of earth is considered zero? Why is it that potential at all points on earth is zero? Earth has resistance and...
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Getting Shock From Laptop. What Could Be The Reason ?
rajtheking46my laptop has a metal body...sometimes i feel shocked when i touched particular portion of my laptop..and it is not so frequent..what might be the reason...
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