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Author Topic: Liebert PSA itON 600VA 230V UPS  (Read 1264 times)

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Liebert PSA itON 600VA 230V UPS
« on: December 10, 2011, 08:06:54 PM »
mga masters , eto galing sa kuya ko.
ang mga problema po ay:
1. kapag naka battery mode, magshushutdown sya mga 45sec (di po ba dapat continuous lang hanggang ma drain ung batt? )
2. ung transformer po ay maingay
3. minsan kapag nasa AC mode , lalong umiingay ung transformer.
4. sa battery mode, ung output lang ay 180 ~ 183 VAC tapos maingay po ung transformer

Done:
1. change the battery but still the same.
2. tried to use a lead acid battery na pang jeep, still the same.
here is the .pdf of the UPS:
http://www.emersonnetworkpower-partner.com/ArticleDocuments/LiebertPSAitON_UM_V2.8.pdf.aspx



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Liebert PSA itON 600VA 230V UPS
« on: December 10, 2011, 08:06:54 PM »

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #1 on: December 10, 2011, 11:37:30 PM »
Ito nangyayari sa  giant ups parang 160V ang output niya kapag walang load sa unang bugso then saka magbibigay ng 220V, parang meron siyang load detect.

Yung 45 seconds yata ay para malagyan mo ng load kapag hindi auto off na sya. Pwedeng mahina ang battery or walang syang madetect na load.

Kung maingay sya baka heavy load or maluwag na EI core mo. Check mo traffo mo for short circuit baka lang. Winding to winding and core to winding.
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #1 on: December 10, 2011, 11:37:30 PM »

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #2 on: December 10, 2011, 11:49:50 PM »
Yung 45 seconds yata ay para malagyan mo ng load kapag hindi auto off na sya. Pwedeng mahina ang battery or walang syang madetect na load.
sis kahit loaded eh nag shushutdown pa rin,
kinumpara ko pa sa isang unit na parehong model, both in battery mode, di naman nagshushutdown ung isa. etong unit na sakin lang ung nagshushutdown.

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #2 on: December 10, 2011, 11:49:50 PM »

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #3 on: December 11, 2011, 02:46:59 AM »
parang normal yung 45 seconds na mamamatay, yung ibang ups kasi ay pangbackup lang para maishutdown ng maayos yung equipment


ang hindi lang normal eh yung pagingay ng transformer di kaya sira yung isa sa driver nya kaya halfwave lang ang oscillation?
Hi! I'm nucleus and i carry the charge 8)

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #3 on: December 11, 2011, 02:46:59 AM »

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #4 on: December 11, 2011, 07:58:51 AM »
parang normal yung 45 seconds na mamamatay, yung ibang ups kasi ay pangbackup lang para maishutdown ng maayos yung equipment


ang hindi lang normal eh yung pagingay ng transformer di kaya sira yung isa sa driver nya kaya halfwave lang ang oscillation?
yeah maingay ung transformer ,
minsan din nag iingay kapag naka AC mode na.

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #4 on: December 11, 2011, 07:58:51 AM »

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #5 on: December 11, 2011, 11:15:21 AM »
Check mo kung mahigpit pa rin sis traffo muna. Kasi kung me tama mosfet uusok yan malamang. Di kaya leak naman, teka meron bang leaking fet?

Isa rin kasing pedeng makapagvibrate nyan ay heavy load at luwag. Or check mo na relay nya.
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #6 on: December 11, 2011, 11:18:14 AM »
Check mo kung mahigpit pa rin sis traffo muna. Kasi kung me tama mosfet uusok yan malamang. Di kaya leak naman, teka meron bang leaking fet?

Isa rin kasing pedeng makapagvibrate nyan ay heavy load at luwag. Or check mo na relay nya.
ok sis check ko traffo.

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #7 on: December 11, 2011, 11:20:55 AM »
Check mo kung mahigpit pa rin sis traffo muna. Kasi kung me tama mosfet uusok yan malamang. Di kaya leak naman, teka meron bang leaking fet?

Isa rin kasing pedeng makapagvibrate nyan ay heavy load at luwag. Or check mo na relay nya.

merong open
Hi! I'm nucleus and i carry the charge 8)

Hindi ako nandito para makipagkumpitensya kanino man

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #8 on: December 11, 2011, 11:24:09 AM »
So half wave lang natatanggap kung sakali in ideal sense? Then it should be near 110, tama po ba?
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #9 on: December 11, 2011, 11:33:50 AM »
So half wave lang natatanggap kung sakali in ideal sense? Then it should be near 110, tama po ba?

220 padin dapat, pero pag nalagyan na ng load ay babagsak
Hi! I'm nucleus and i carry the charge 8)

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #10 on: December 11, 2011, 11:38:43 AM »
eto na ung traffo w/ its resistances :)



grabe ang init ng traffo na ito .

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #11 on: December 11, 2011, 11:43:29 AM »
ang ginamit pala na FET is FDP8896
http://www.fairchildsemi.com/ds/FD/FDP8896.pdf

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #12 on: December 11, 2011, 11:47:25 AM »
eto na ung traffo w/ its resistances :)



grabe ang init ng traffo na ito .

wew! yung 4.9 ohms ang nakakabit sa inverter? mukang may problema sa driver
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Re: Liebert PSA itON 600VA 230V UPS
« Reply #13 on: December 11, 2011, 11:50:13 AM »
wew! yung 4.9 ohms ang nakakabit sa inverter? mukang may problema sa driver
papunta yan sa mga mosfets,

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #14 on: December 11, 2011, 11:58:53 AM »
eto rin observation ko,
unloaded : ung voltage hindi stable, nag vavary from 50VAC to 185VAC
loaded : Steady, 180-185VAC

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #15 on: December 11, 2011, 12:48:29 PM »
UP!
check ko voltage sa RED and BLUE na nakasaksak sa board and then turn on,
may nasusukat ako na 5VAC.

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #16 on: December 11, 2011, 01:06:39 PM »

       gnd or B---fet__________
                                          )
                                          )
                       B+__________)
                                          )
                                          )
           fet --B-    __________)

Ganito yata sis ang connection nyan sa secondary bale tigkalahati makagawa ng semiAC or pseudo.
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #17 on: December 11, 2011, 01:22:04 PM »
       gnd or B---fet__________
                                          )
                                          )
                       B+__________)
                                          )
                                          )
           fet --B-    __________)

Ganito yata sis ang connection nyan sa secondary bale tigkalahati makagawa ng semiAC or pseudo.
2 lang po ung wire..
or ung may connector po ung ibig sabihin mo master?

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #18 on: December 11, 2011, 02:00:59 PM »
Bale yung switcher niyan ay yung fet pero yan yung nagkakabit sa ground or b- line. Tapos yung center tap ay nakakabit sa B+ ng battery. bale alternate switching ng tigkalahati para mapalusot yung dc sa traffo primary side. Pacheck kung ganyan style nya.

Parang yung rectifier diode nyan ay dumadaan pa sa relay contact. Dalawa yata ang relay nyan.

Check mo yung FET kung ang D or S pin terminal ay nakakabit sa gnd or b- side.
*http://www.elab.ph/forum/index.php?topic=33717.msg632945#msg632945
*http://www.elab.ph/forum/index.php?topic=37150.0

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #19 on: December 11, 2011, 02:39:54 PM »
^mukhang hindi ganyan ang ginamit na switching nito, bridge type malamang ang mosfet nito
Hi! I'm nucleus and i carry the charge 8)

Hindi ako nandito para makipagkumpitensya kanino man

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Re: Liebert PSA itON 600VA 230V UPS
« Reply #19 on: December 11, 2011, 02:39:54 PM »

 

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