What are the specifications for conducting earth leakage test as per IEC standard?

1495

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

1645

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

9001

what is the difference between Power and Distribution transformers ?

1621

what happen when we add mentos in cold drink?& why?

1539

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1499

hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

1599

could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1578

What happens if i apply 500V to 440V rotary Switch ?

1381

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1390

How many points does a Circuit can have?

1439

Mention what are the types of semi-conductors?

703

anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1423

why high speed tripping relay will be used in tripping circuit why not normal relay

815

What is the importance of counter based plan & how is it scheduled?

1548