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Author Topic: Help on ONLINE UPS System  (Read 1526 times)
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night_mare
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« on: November 25, 2008, 08:17:23 08:17 »

Hi, Anybody have schematic circuit on "ONLINE UPS (10KVA-30KVA)" and documentation about this or any link ?I searched the google but found nothing.Crying need............. Cry
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sohel
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« Reply #1 on: January 09, 2009, 08:31:57 20:31 »

Hi, Anybody have schematic circuit on "ONLINE UPS (10KVA-30KVA)" and documentation about this or any link ?I searched the google but found nothing.Crying need.............   


please dont cry. search sonsivri will show u some hints.

online made on the basics;

Freq side;
controle side {current,output,load label( u didnt mention which wave shape and what dc voltage and phase)};
IGBT driver side;
charging side;
and many more filterring;

then u decide which KVA. i dont know how it possible to put up 30kva online ups on net (google,sonsivri) Grin
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A Thousand Miles Journey Start With a Single Step<br />http://www.youtube.com/user/masud58
tAhm1D
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« Reply #2 on: January 10, 2009, 08:16:18 08:16 »

Hi night_mare,

It will be difficult for you to get the design/schematic/circuit of the inverter/ups of 10-30kva in internet. No body will provide working design free. So, the advice is, try from small scale like 1-3kva, which you may get in internet. Understand that in toto and then venture in Bigger sizes gradually. At one go, venturing in such Big Project, is not advisable. Just a suggestion only- not to take otherwise.
However, I am posting the Link to Circuits of different types of Inverters. These are my collection, not my own circuits.It may be of your use. Good Luck.

http://rapidshare.com/files/181643449/INVERTER_UPS.7z
« Last Edit: August 01, 2009, 06:59:26 18:59 by tAhm1D » Logged
sohel
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« Reply #3 on: January 10, 2009, 12:53:53 12:53 »

Hi night_mare,

It will be difficult for you to get the design/schematic/circuit of the inverter/ups of 10-30kva in internet. No body will provide working design free. So, the advice is, try from small scale like 1-3kva, which you may get in internet. Understand that in toto and then venture in Bigger sizes gradually. At one go, venturing in such Big Project, is not advisable. Just a suggestion only- not to take otherwise.
However, I am posting the Link to Circuits of different types of Inverters. These are my collection, not my own circuits.It may be of your use. Good Luck.

http://rapidshare.com/files/181643449/INVERTER_UPS.7z
pass:    sonsivri-tahmid

all file from gevv archive ?
u should go to last topics by me.
http://www.sonsivri.com/forum/index.php?topic=362.0;all

and search sonsivri about online

http://www.sonsivri.com/forum/index.php?topic=4920.0
« Last Edit: January 10, 2009, 01:09:49 13:09 by sohel » Logged

A Thousand Miles Journey Start With a Single Step<br />http://www.youtube.com/user/masud58
tAhm1D
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« Reply #4 on: January 12, 2009, 06:30:23 18:30 »

Hi night_mare,
Have a look at the University Thesis Papers on SMPS Inverters I posted over here:

http://www.sonsivri.com/forum/index.php?topic=19274.new#new

Hope, this will of immense help to you. Good Luck.
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