naveee
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Posted #Threads
Single phase induction motor - time taken to achieve max speed
In fan and Motor pump we use single phase induction motor....when the switch is ON ...time taken to reach maximum speed is different for motor pump...
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which type of motor is used in fan??
which type of single phase induction motor is used in fan ??? and which type is used in motor pump .....
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wireless mobile charging
hello CEeans i have many question regarding this topic....let me put my questions 1)There is a device called rectenna which convert microwave frequency into DC signal...if...
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Microcontroller interface with stepper Motor
Harshad Italiya#-Link-Snipped-# please be more informative in post and give proper title so you can get more replies. Will you please give me detail about your...
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Microcontroller interface with stepper Motor
aarthivgCan you tell us which type of stepper motor you are trying to control. And you have also mentioned that the micro controller's input is the...
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Microcontroller interface with stepper Motor
what is the controller is to be used to operate a stepper motor ? ? when the input is a sensor ?
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Intelligent Blind Stick Using 8051 Microcontroller
i have a idea for you ..... bluetooth headset can be connected to the stick...different types of sensor can be use to detect the people ,object,so...
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Do electromagnetic waves have electrons in them?
i have a doubt electromagnetic waves has electrons in it ????
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What is transformer saturation?
please make sure..... taransformation saturation is a point where hysteresis loss will not increase or flux will not increase ????? both are not same right ?????
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Wireless charging of mobile phones
soni.sapanDont know much about it but I saw a program on Discovery before 3-4 year ago, in which they saw such device . it is very...
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Why is transformer efficiency higher than motors or generators?
Can someone tell me why is transformer efficiency is higher than motor and generator? Transformer efficiency is generally greater than 95%, while that of the motors...
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We're Hiring Bloggers For VoiCE! Can You Make Us Proud?
big k u are impressing always.... 😀 great opportunity
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The single phase induction motor
capacitor is only used to increase the torque........rotation magnetic field is produced by the magnetic windings...... the how capacitor is used to convert stationary magnetic fie...
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CE New Words Corner!
anoopthefriendInnovation! We engineers can do anything, who knows if any of these words will make it to the dictionary in the coming years, there's no reason...
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CE New Words Corner!
i have a doubt with u people..are we going to use these word in day today life....... or else why the reason for this words ...if...
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Chetan Bhagat Should Stick To Writing Love Stories
only a powerful government led by a powerful man could bring back the glory of our country 😀
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Electrical Engineering Explained In 5 Seconds!
jeffrey samuelHey friend you are failing to understand this each side the conversion takes place in terms of constant power For an ideal transformer VpIp=VsIs This...
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Electrical Engineering Explained In 5 Seconds!
bioramaniConsider the two windings separately.we leave that...... but according to ohms law...current and voltage should be directly proportional.. if we see in transformer ratio.....
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Electrical Engineering Explained In 5 Seconds!
jeffrey samuelHey pal better not use SMS language here in forumsok pal got it......i will change it 😀
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Electrical Engineering Explained In 5 Seconds!
bioramaniWhy not? You have to replace resistance by impedance, which is AC resistance in a sense.sir transformer doesnt obeys ohm law......... am sure about it ........
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Electrical Engineering Explained In 5 Seconds!
The_Big_KUltimately, Electrical engineering is all about Current, Voltage and Resistance; right?ya..... mutual inductance is playin a gr8 role in transformers..... ya i agree ur po...
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Electrical Engineering Explained In 5 Seconds!
But transformer doesn't applies this major law sir 😀 ????
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Difference between WATT & VA
grsalviAre sure VA is for power rating of reactive device ? Because VAR (Volts ampere reaction) is the specific unit for reactive power. VA for active...
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Difference between WATT & VA
The_Big_KCould you share the meaning that you've understood by referring to textbooks? I think you can get a basic idea about what VA and WATT are...
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CrazyEngineers Layout Update - We're Back To Square One
we ll fight along wit CE forever 😁
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DC transmission
vinod1993Why do you want to transmit DC?(total losses are heavy, I gather) .AC transmission is economical you know.! It reminds me of the "War of currents"...
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Posted #Threads
DC transmission
how we can transmit DC voltage to transmission lines...........( in case of AC we can step up the voltage usin a step up transformer).....wat is the...
16 replies -
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What is the difference between a Circuit breaker and a relay?
A circuit breaker is a device for the limiting of current supplied to a circuit. Typically using a bi-metalic strip of metal to sense an increased...
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Difference between robotics and automation
The_Big_KAutomation is a very generic term - which is basically about making the things work automatically. Robotics could broadly be called a 'sub-set' of automation, because...
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Speed regulation in ceiling fan
grsalvi"The value of phase angle of sinusoidal AC wave at which TRIAC is turned on (i.e. they allow flow of power to fan motor) is called...
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Speed regulation in ceiling fan
bioramaniYou need a rotating magnetic field to achieve shaft rotation. The capacitor acts as a phse shifting device. Different capacitance values will achieve different levels of.....
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Speed regulation in ceiling fan
bioramaniNot a Zener. They have a triac. Speed is controlled by varying the firing angle of the triac so that the applied voltage to the fan...
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Speed regulation in ceiling fan
zaveriwhen capacitors are connected in parallel, then the net the capacitance increases and hence fan speed increases. but when they are connected in series, the reverse...
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Posted #Threads
How does capacitor store charge from DC source?
We all know that capacitor blocks DC (voltage). I want to know how a capacitor can store charge from DC source? Also, why is DC voltage...
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DC Source In LC circuit
in LC circuit can we DC as source ????... if we give DC how capacitor allows DC????
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Connecting polarised capacitor with wrong polarity - what happens?
bioramaniI think that we are talking of different things. Polarised capacitors are usually electrolytics. They have a positive and negative terminals. What you are mentioning is...
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What Is The Difference B/w Regulator And Stabilizer
jeffrey samuelIt is a huge topic worth going through Wikipedia my palwikipedia is huger than topic 😛 😛
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What Is The Difference B/w Regulator And Stabilizer
anusha venkat stabilizer is a device that stabilizes and regulator is the one that regulates!!! 😛 joke ??
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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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Posted #Threads
Difference between robotics and automation
wat is the main difference b/w robotics and automation ??????
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What is integrated starter and generator (ISG)
N.SACHINcheck the below links: <a href="https://www.mpoweruk.com/motorsspecial.htm" target="_blank" rel="nofollow noopener noreferrer">Electric Drives - Special Purpose Motors - De...
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What Is The Difference B/w Regulator And Stabilizer
naman2511What Is The Difference B/w Regulator And Stabilizer??we use ZENER diode in regulator ..... but we step up or step down transformer in stabiliser........am i rite???
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Increase / Decrease RPM of Induction Motor
jeffrey samuelRPM or speed of motor depends on load and back emfif load voltage is increase will increase the RPM .....
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Increase / Decrease RPM of Induction Motor
can we increase the RPM of the motor ...... ?????? or the RPM is fixed ???? for induction motors
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CE's Awesome Collection of Seminar Topics [450+ topics!]
The_Big_KCEans, Here's CE's ultimate collection of seminar topics. Enjoy! 😁 PS: Now, pick up your topic and help us spread the word about CrazyEngineers among your...
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Describe How Energy Is Stored In An Inductor On Electronic Level
jeffrey samuelmy pal there is some interpretation here inductor is a storage device just like capacitor it stores current and not voltage get it rightdo inductors...
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Difference between AC and DC current
jeffrey samuelcan you tell what is a multi vibrator that itself tells the answer to your posta device that produce clock signals for digital circuits 😀
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Difference between AC and DC current
jeffrey samuelAC current has an altering +ve and -ve peak voltage in it the current varies with time ie AC current is a function of time...
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What Do You Mean By Transient State
jeffrey samuelAC dynamic resistance wow new idea i ll consider figuring more in it and let you be informed of it but i am not sure...
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Advantages Of CDMA
aruncharycapacitor is used for block the frequency,in the sense reduce the frequency components not for operate....then why variable capacitor is used in radio circuits (for tunin...
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What Do You Mean By Transient State
somewat i kno is for AC cureent the resistance used is called DYNAMIC resistance.......... u hav any idea regarding that ???
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Advantages Of CDMA
[Prototype]You're mixing up the things. The supply doesn't play any role. GSM as well requires frequency. Its totally unrelated to modulation technique used. There's separate oscil...
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What Do You Mean By Transient State
jeffrey samuelthe same thing which is considered in opening the circuit applies to initial closing of circuit also no circuit which has a capacitor and inductor...
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Why The Current Leads Voltage In Case Of Capacitor
since capacitor is a charge storing device.it discharge the charges present so .... current is always more than voltage so leads the volatge by 180 phase...
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What Do You Mean By Transient State
when a circuit is closed current flow will be maximum... so the current will be at steady state ........ when a circuit is opened... current will...
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A 100kW Generator Connected With A Load Of 50kW
naman2511now i got it... it will only produce only 50kW...obviously.... remaining voltage will not be used .... hence a large number of load is conneted while...
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Advantages Of CDMA
[Prototype]Please explain how it have high frequency utilization when pseudo random codes are added and considering it uses spread spectrum modulation?we use dc (battery) supply fo...
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Advantages Of CDMA
[Prototype]The most significant advantage is the security.code division multiple access....... is used in mobile fones ???
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What is a coupling capacitor?
silverscorpionA coupling capacitor is a capacitor used to separate the various stages in a circuit, for example, to separate the stages of a multistaged amplifier. It...
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Why India uses power supplies of 50HZ standard ?
The_Big_KThe real reason is because Indians, instead of developing their own standards, blatantly copy-pasted the British standards. Technical 'explanations' may follow.we indian...
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A 100kW Generator Connected With A Load Of 50kW
power dissipation in form of heat....(joules law of heating)
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Neutral link in circuits. Is it essential?
priya tsIS IT NECESSASORY TO USE A NEUTRAL LINK IN A CIRCUIT? WHY ITS VERY ESSENTIAL? circuit need a closing port so ssentially neutral link is...
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Posted #Threads
Multiphase & 3-Phase Inverter
is multiphase inverter is also called as 3 phase inverter??? or it is the otherway.??..... do we choose tis multiphase inverter any industrial application???? if its...
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In a 3-Pin Plug, one pin is larger than the rest. Why?
priya tsfor the high safety of human,the earthpin is larger than others i thought it is for identification betwn phase nad neutral pin
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In a 3-Pin Plug, one pin is larger than the rest. Why?
wat is the diff between transistor and radio ??????
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In a 3-Pin Plug, one pin is larger than the rest. Why?
[Prototype]Not at all, but its highly expected in the devices having metallic body. You cannot estimate the number of ways you can get in contact with...
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In a 3-Pin Plug, one pin is larger than the rest. Why?
another..... a two pin plug wire which has a cut in a wire.... if get in to the contact of tht wire will i be eltrocuted????
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In a 3-Pin Plug, one pin is larger than the rest. Why?
[Prototype]Current always flows in the path having lowest resistance from higher potential to lower potential. Take a case where you've a device with a metallic body...
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Best Long Range Wireless Router Available In India?
microwave based device... can be used for transmitting
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Trace a lost vehicle - project
jeffrey samuelthe signal strength of the transmitter and also the method of transmission it use if it is line of sight and some lower methods then...
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Trace a lost vehicle - project
The_Big_KYou can practically trace anything that's coupled to a GPS. The Global Positioning Systems can track accurately up to a few meters of distance and have...
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Trace a lost vehicle - project
one question range of the device... depends on wht??? ....
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In a 3-Pin Plug, one pin is larger than the rest. Why?
can anyone explain me y earthing is need ????
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Trace a lost vehicle - project
to overcome the signal loss from the reciever end.... it will be disadvantage of that exitsting device.. :
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In a 3-Pin Plug, one pin is larger than the rest. Why?
sndgpr26these two reasons may not justify because it can be done by keeping the third plug of same size also. y earthing is need???
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In a 3-Pin Plug, one pin is larger than the rest. Why?
why earthing is needded ?????👎
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