If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

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CONTACTORS ARE MADE UP OF WHICH MATERIAL?

6 Answers   IOCL,

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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why ht motors are connected in star?

1 Answers  

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Can we put 3 layers of cable tray while installing tray

0 Answers   NTPC, Siemens,

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define displacement & magnitude ?

0 Answers  

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working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 Answers  

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What is the maximum operating temperature for a thermoplastic insulated cable?

0 Answers  

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WHAT IS LOAD CELL

0 Answers   AP, TATA,

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In more then 1 phase bulb will glow are not?if yes then how it will glow?

2 Answers  

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What is auto transformer?

28 Answers   ABC, Transformers and Electricals, US Consulate,

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