Explain Random and Deterministic signals?

0 Answers   UOG,

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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Why Human body feel Electric shock ?? n in an Electric train during running , We didnt feel any Shock ? why

13 Answers   Lovely Professional University, NTPC,

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what is the difference between effective earthing and resistive earthing?

3 Answers   REL,

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what is the wattage of 'zero watt' bulb?

16 Answers   PSEB,

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You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 Answers   ABB,

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Is it possible we are step down 11 kv to 230v ?

2 Answers   Fedco,

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How we can make sure cable size of LT cable without any parameter.

2 Answers   Paradip Port, Siemens,

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If we are importing real power & exporting reactive power then what will be the effect on our system

3 Answers  

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why we are using R,Y,B colours for 3 Phase ?

4 Answers   ITC Infotech,

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

5 Answers  

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Can an inverter be used as a converter? How?

0 Answers  

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