Interested to Buy Any Domain ? << Click Here >> for more details...
what is the difference between online and offline UPS?
- 4 Answers
- 11589 Views
- Prestige, I also Faced
- E-Mail Answers
Answer Posted / thiru
Online Ups- 1.UPS static switch always on.
2.Ups static switch fail then the Main
static switch conduct.
3.Inverter always On condition.
Offline Ups-1.Main static switch is always on.
2.When the power supply off,the ups static
switch on and inverter are also ON the condition.
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
What is resolver and glass scale in CNC how they work?
what is the id1 & id2 setting in differential protection relay of CSPC?
what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.
hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused
why asa method ZPF method is more accurate than ASA method?
What is rotary phase converter?
What is the use of bundle conductors?
how calculated Transformer losses.
wht is embedded systems? what is new inthis field?
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
What is stacking factor? What is its approximate value?
This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?
PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM
