Answer Posted / srinivas
UPS having both converter and inverter. The converter
is to convert AC to DC and the inverter is to convert DC to
AC. The UPS uses either off line or on line.
The inverter is works only when the DC source
available, otherwise it is not working. It is used only for
off line purpose.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?
what is DRP panels?
What is the ratio of true power to apparent power in an ac circuit?
How to maintain ac plant?
Explain different types of d.c motors? Give their applications
Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32
HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?
Which do you think is the most significant cause of energy loss in a factory?
What are root loci?
give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model
how withstand of hi-pot test outputs of transformer wire 2.5mm
at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.
defination of lines
Explain in brief description about the operation of DG sets.