Answer Posted / sachin kumar sharma
A UPS SYSTEM PROVIDES EMERGENCY POWER SUPPLY WHEN UTILITY
POWER SUPPLY IS NOT AVAILABLE. AND IT MAINTAINS TO LOAD IN
ALL CONDITIONS.
| Is This Answer Correct ? | 6 Yes | 4 No |
Post New Answer View All Answers
what is the excess air in furnace
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
What is meaning of out of phase (making & breaking) capacity And how to calculate
STATE USE OF ARC RUNNERS & SPLITTERS ?
What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
Difference between a pilot wire and a normal conductor?
Differentiate between Zero and Negative sequence current
Approach of a cooling tower is the difference between temperatures of what factors?
What is conventional thermal current (Ith)
how to increase senstivity of ct
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
is there any role of power factor with frequency variation? and how we can manage the frequency variation?