Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / chandrahasan
The main building blocks of any given UPS (on-line, off-line
or stand-by) are the charger, inverter, static switch or
static disconnect and battery. The charger converts AC to DC
power which float charge is the battery and feeds
the inverter. The inverter converts DC to AC power, and the
static switch or static disconnect is a solid-state device
used to apply or disconnect AC power. The battery stores DC
power that is used as a back-up power source when
the utility power is not available.
| Is This Answer Correct ? | 9 Yes | 24 No |
Post New Answer View All Answers
Explain the working of any one cutting machine
what is the difference between vector scale and vector diagram?
Haw to check conductivity of budbar
How to decide DO set rating of Transformer?
checking procedure of capacitor based motors.used in fans etc?
What is creepage distance..... what will be the value for different voltage level
As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
what is the meaning of neutral displacement ???
What is the exact formula for one weber of magnetic flux?
Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?
what is the difference between STAR and DELTA connection and application wise how it can be utilizedd
generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?
what's producer of XLPE cable laying in undergroung
sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance
