How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights
Answer Posted / shri...
Connected load = 3 Fan (70 watt each approx) + 3 Tube lights (40 Watt each approx)
Load = 330 Watt
Battery back up time 3 Hrs
Required minimum 12V 1 no 120 AH battery
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is minimum phase system?
what does mean of RCT and STR in diffrential CT?
If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?
What is the ratio of Booster transformer?
Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?
what's producer of XLPE cable laying in undergroung
What is acsr cable and where we use it?
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com
how many types control panel of a 132/33 kv substation
what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
wat system call?
In motors how many types of cooling systems were used?
how to commissioning the genset with amf panel?
What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?