In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

994

i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.

1256

how diside ct mf exmp.200/5 ct

1420

Differnce between negative Pahse SequenceFunction and unbalance Function?

1129

what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1328

what is the practical application of full adder circuit?

1279

WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

1490

diff. between tension mode & speed mode

1602

What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

1527

what is the basic need of domestic loads 1- voltage 2- current

1330

what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

2287

How one can check the MAIN of a house wiring ?

1299

what is the affect of earth's magnetic field on the frequency used in aircraft???

1379

Difference between earthing & grounding.?

1401

If a high resistance fault occurs,then what are the changes will happen in the system?

788