How to measure size of cable on a given load

1910

how is the magnetic current test is different in delta-star and delta delta transformer.

2248

What is the effect of pd controller on system performance?

1164

In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

2266

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

2029

When MICC cables used ?

2140

how to select automotive wire by mathematical equation with given current, vlotage and resistance

2403

Air circuit breaker safety

1513

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1983

please send me previous year questions of jspl through which i could prepare myself for the test.

1933

how we select ac fuse rating of an power inverter???

1932

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?

1750

how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?

3351

what is breathing?

1868

An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

1479