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The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2
Sona,
3 8040Can you explain the phase displacement between primary and secondary of power transformer of any vector group(for ex)?
1 3309I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??
ABB,
4 6886if i have one capacitor=80 micro farad which correct the unity power factor,but i want to make capacitor bank who correct the power factor.so,how to split this capacitance value?
2 4510in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?
1 4258sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai
Sail,
3539What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?
Bhel,
6 29005Post New Electrical Engineering Questions
Can you explain about Restricited earth fault protection scheme
1. for eg, capacitor is used for many purposes(it act as filter, oscillator, bypass capacitor, memory storage etc...) 2. Please tell me some example circuits for different uses of capacitor( whenever and whereever and however we used capacitor as a filter, oscillator tuning etc..) 3. similarly for inductor and resistors(it act as what?) and when and how we want to act as like that?, and how we can used these components depends upon our requirments with example circuits and explanation? design to act as these components depends
my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?
If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
how to handle 2500 kva transformar
For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
What is tan delta & PPM in transformer? and whats its IS value?
If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?
what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?
how can maintaince the acb contactor moveing and fixing kit
How to measure the earth resistance value in a concrete pavement(flood light area)?
why US countries maintains 110v and 60HZ
What’s electric traction?
