Interested to Buy Any Domain ? << Click Here >> for more details...
What is the difference between online ups and offline ups?
- 44 Answers
- 219117 Views
- Electrical Tech, GMR, Gravity India, HCL, Indus Towers, NIT, Pyramid, Techno Electric and Engineering, UBS, I also Faced
- E-Mail Answers
Answer Posted / sushant kumarj ena
Online UPS, it is getting power AC is converting to DC, then
the DC source stored to Battery at power supply on mode when
power fail, the DC sorce is changed to AC by inverter so
output power is having without noise.
OFFline UPS is having automatic voltage regulator, it
getting power from supply, it is regulated by AVR, then
power stored to battery so the change over time approx 2ms
to 5ms so change over noise comes.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?
Refernce currents are to be generated using refernce cueernts how can this be done??
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
what is meant by skew width in machines?
What is the meaning of utility ground and clean ground? How the distribution panel is grounded?
1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
How to Make relay co ordination chart for a Electrical power distribution of a plant
What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.
Where can I get Iidian straderd specifications for electrical items or works in web? please help me.
I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????
what percent do you derate your copper wire when you change from copper buss to copper wire
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?
