Answer / saleha

kva

Answer / sudarshan

IT IS DENOTED by VOLTS

Answer / www

Not in KW or KVA it is in AMPS

Answer / zan

KW


A Switched-mode power supply (also Switching-mode power
supply, SMPS, or simply Switcher) is an electronic Power
Supply Unit (PSU) that incorporates a switching regulator
in order to provide the required output voltage. An SMPS is
actually a power converter that transmits power from a
source (e.g., a battery or the electrical power grid) to a
load (e.g., a personal computer) with ideally no losses.
The function of the converter is to provide a reliable
output voltage often at a different level than the input
voltage.

Answer / rohtash kathwalia

It is denoted Voltage & current

Answer / brdganesh

Kva 1) all ac sources are denoted in kva

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is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

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1 Answers