what is a pilot wiring and whys that called a pilot wiers

1872

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2598

WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

2043

hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1883

what is difference between window type and wound type transformers?where we will use window type and wound type transformers?

2139

What is the actual calculation for transformer short circuit test?.

2422

How it can worked plc based electrical system And which type of software using.

2066

what is the criteria for selection of conductor used for ehv ac electrical dischrge

2036

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

2098

can u give me a brief idea about power line carrier communication ??

1793

How can ou verify the size of conductor 50Sq.mm ACSR

1894

Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

3076

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

1958

what is mean by parallel operation of permanent magnet generators

1955

how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

1314