Naman Agarwal
@naman-42FOIm Member
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Replied #Threads
Under three phase balanced system
suppose there is a balanced condition in a power system, then current in the neutral conductor is zero. So i want to know that how our...
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Why only we use 3 phase why not 5 phase
i am talking about the power gain... single phase power is VIcos(phi) while that of three phase system, power is sqrt(3)*V*I*cos(phi) where V and I are...
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Why only we use 3 phase why not 5 phase
Using 2-phase system will provide you gain of around 1.4 time of 1-phase system. Using a 3- phase system will provide you gain of 1.57 times...
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Can Air Act As "Ground" For Electrical Circuits?
Let me tell you. In the airplenes , grounding is provided with the body of the airplane. Since the body of the airplane is so immence,...
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Why does ceiling fan rotate in anticlockwise direction and table fan in clockwise direction?
We can change the direction of rotation of table fan since it incorporates shaded pole induction motor. If we change the shaded pole from left extreme...
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What is the difference between machine and device ?
Seems like u never worked on computers. Thats why u are indulging another person. Nevertheless let me tell u...comupter is not a machine...further u know...
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What is the difference between machine and device ?
lalThen why is a computer called machine? 😁 There isn't any electromechanical energy conversion as in motors and generators in a computer! An IC engine is...
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What is the difference between machine and device ?
A machines is a device capable of continous electrmechanical energy conversion like motors , generators. That's why , according to this definition, transformers are not considered....
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Why excitation provided to alternator is DC?
Suppose you have applied a ac supply to an alternator field. Now during first half cycle, rotor will try to rotate in one direction. Now when...
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Why India uses power supplies of 50HZ standard ?
higher the frequency , higher will be the transmission line reactance, ans you know that maximum power transfer capability is inversly prportional to the line reactance....
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Is Power Transferred To Consumers Or Energy?
So bottom line is that energy is transferred nor power to consumers..??
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Is Power Transferred To Consumers Or Energy?
First Power Came Into picture, then Energy...Power should be what is transferred to consumers..and energy is consumption of power with time..isn't it??. So power is transferred...n...
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Is Power Transferred To Consumers Or Energy?
Anand TamariyaIf you are talking in technical terms, at the generating side, energy is produced (strictly transformed) as defined by conqueror. Are you confused because generating....
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Is Power Transferred To Consumers Or Energy?
But at the generating side, power is produced. So how could energy be transferred?. Power consumed by load with time is energy. So, finally, power is...
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If DC supply is given to TRANSFORMER
Actually when dc is applied across the primary, a pulse will be there at the secondary for very short peroid but then the secondary voltage will...
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Why we Stopped Using Bulbs Even It Provides Almost Unity Power Factor ??
Anand TamariyaUnity power factor is desirable for distribution systems. Efficient lighting (more luminosity/watt) is desirable for light source. Hence, move to CFL and now LED. Kee...
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Applications of DC to DC converters
These Are Used In Maximum Power Point Tracking Of Solar Energy. By Using dc-dc Boost Converter, we Increase Operating Voltage Of Solar Array. And By Using...
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What will happen to charges that flowing i devices once after supply switched off?
rahul69First of all I said electrons and not charges (and electrons are negatively charged), but at zero potential difference also, electrons (as well as protons) are...
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What will happen to charges that flowing i devices once after supply switched off?
rahul69Source cannot produce electrons, it just create a potential difference which forces the free electrons to move thus creating current. Take an analogy: Consider a setup...
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Difference between ac and dc resistance?
AC resistance should NOT be confused with IMPEDANCE or REACTANCE. When AC flows through a conductor, it tends to flow towards the surface of that conductor...
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MPPT Of Solar Energy
bioramaniA lot of India (South of Vindyas) is in the tropics. Nothing wrong though in going for the project.thank u sir...
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MPPT Of Solar Energy
bioramaniIs MPPT of much use in the tropics? This is probably more relevant in cold countries in winter when the PV cells develop high voltage at...
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What Is Pulse Transformer? What Are Its Applications?
jeffrey samuel<a href="https://en.wikipedia.org/wiki/Transformer_types#Pulse_transformers" target="_blank" rel="nofollow noopener noreferrer">Transformer Types Pulse Transformers</...
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What Is Earth Switch
grsalviIs it the one you talking about, is part of isolator switch ? Isolators are connected in power systems to disconnect a part of circuit from...
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Reference books for electrical machines?
best and father of all books... I.J. Nagrath and D.P.Kothari...it is the best book in terms of all...go for this
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In a 3-Pin Plug, one pin is larger than the rest. Why?
3rd pin is larger because larger the area of cross section, lesser is the resistance and thats why leakage current will opt for this path to...
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What Is The Difference B/w Regulator And Stabilizer
jeffrey samuelyou got to explain that to me pal i deal more in electronics than in electrical power systemsi dela in electrical but not dealt with...
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What Is The Difference B/w Regulator And Stabilizer
jeffrey samueljust google the circuit and i found this #-Link-Snipped-#is it a SMPS based stabilizer??
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What Is The Difference B/w Regulator And Stabilizer
whatever it is...but the stabilizers contains transformers not SMPS...i believe so
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What Is The Difference B/w Regulator And Stabilizer
jeffrey samuelI don't think that is the stabiliser is used to stablize the op it does not use transformers as the size of them will have...
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Will connecting two condensors to fan damage the winding?
nopes..it wont burn out...
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How Data Can Be Sent In Power Line Communication
bioramaniOn the other hand it is much cheaper. The cables are heavier and it is quite easy to separate the 50Hz or 60Hz power wave form...
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How Data Can Be Sent In Power Line Communication
bioramani#-Link-Snipped-#but sir i just want to ask that wont it be inefficient to transmit data on a power cable??..beacuse there may be ditortion in data due...
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How can we complete the circuit of grounding
[Prototype]Generally, you dig a hole in front of the house, put some salt in it and a copper plate. The connection of this plate is provided...
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What Is The Difference B/w Regulator And Stabilizer
actually regulator regulates the voltage..i mean it increases or decreases the voltage upto a particular value and then stabilizes ut at that value...while function of stabilizer.....
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