Answer / ankush miglani 09718151073

temprature based device controller with data logger
it basically an electronic project consistsof 5-6 ic
suppose u hav eheater, fan, ac
now u set a ref temp say 25 deg
now below 25 deg ur heaterwill starts
from 25-30 deg fan starts
from 31-35 deg ac starts
the data logger stores the various temp value

what is over frequency protection

1 Answers  

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what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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Pleasd Tell Me..... In Generating Stations Why The Generation Of ELECTRICITY Is In 3 Phase Form?? OR In Generating Station Why We Generates The ELECTRICITY In The 3 Phase?? Why Not In The 4 Phase, 5 Phase Or 6 Phase Form??

3 Answers  

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current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

0 Answers  

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Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

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what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 Answers  

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To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 Answers  

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why core losses are affected with change in voltege in transformer?

1 Answers   HCL,

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which power plant has high load factor?

12 Answers   APTransco,

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how a flip flop can be used as a latch?

0 Answers  

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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