Answer / mohd hakim

its an emergency rescue device whenever elevator stuck between two floors its sense and open the door of the elevator to the nearest floor after 3 minuteswith the help of dc batteries.

Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

3 Answers   Bhel,

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what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

0 Answers   Escorts,

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why there is a fault occurs, if a phase wire touches ground.. and the fault not occurs when we connect a bulb between phase and ground..??

1 Answers  

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ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

0 Answers  

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how to determine ct ratio in ht vcb?

0 Answers   Techno Engineering,

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Define ohm’s law for a.c (alternating current)?

0 Answers  

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how to identify conection leads of an unknown electric motor

0 Answers  

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What is IPXX?

2 Answers  

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How much pole motor can be desion for 415 volt ,50 hz.Power supply. in pratical condition . Prakash veer singh

5 Answers  

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i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

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what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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Explain UPS

1 Answers   Powerica,

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