What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

2045

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

2010

What do you mean by phasors?

1071

A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

2320

what types of electrical & mechanical test conducted in switchyard?

2233

how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

1843

What is use of starter and choke in tube light

1772

Purpose of providing neutral isolation panel for parallel operation of diesel generator

1779

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

2016

one split ac how can told of this ac which Tr tell me us

2031

which type of stability limit is higher,steady state or transient? why?

1904

Difference of induction motor & servo motor ??

1826

how to find the Motor,s insulation Power?

1763

WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3477

What is the most important precaution in any experiment with d.c. Shunt motor?

1265