What is DTR erection?

0 Answers  

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what is the benift of HT metering & LT metering

1 Answers  

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HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

0 Answers  

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why ELCB's are not useful for operation theater equipments ?

4 Answers   Reliance,

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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

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what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

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why elcb used in circuit

4 Answers   ABB,

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What is the polarization index value ? (Pi value)and simple definition of polarization index ?

0 Answers  

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How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?

1 Answers  

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what is the function of compressor?

2 Answers  

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Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

0 Answers  

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