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Author Topic: improvised flyback tester  (Read 2229 times)

Offline adfa4c

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improvised flyback tester
« on: April 21, 2012, 11:03:49 AM »
share ko lng improvised na flyback tester gamit ung electronic ballast pwede rin sa chopper transformer at yoke may arcing test ska high insulation resistance test
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improvised flyback tester
« on: April 21, 2012, 11:03:49 AM »

Offline Min

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Re: improvised flyback tester
« Reply #1 on: April 21, 2012, 11:07:21 AM »
TS, Nasaan? Picture or diagram sana.
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Re: improvised flyback tester
« Reply #1 on: April 21, 2012, 11:07:21 AM »

Offline duc_tech

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Re: improvised flyback tester
« Reply #2 on: April 21, 2012, 11:07:52 AM »
care to share some pics or schem maybe?

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Re: improvised flyback tester
« Reply #2 on: April 21, 2012, 11:07:52 AM »

Offline j a y k e z

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Re: improvised flyback tester
« Reply #3 on: April 21, 2012, 11:15:04 AM »
bitin tuloy kame ;D

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Re: improvised flyback tester
« Reply #3 on: April 21, 2012, 11:15:04 AM »

Offline adfa4c

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Re: improvised flyback tester
« Reply #4 on: April 21, 2012, 11:23:41 AM »
tamad ako mag post ng picture ska diagram eh explain ko n lng,bili k ng electronic ballast 12 volts DC lng ska dapat minimum na 2 amperes power supply kahit 20 watts sa hardware ung output papunta sa fluorescent ikakabit mo sa primary winding ng flyback tapos hanapin mo ung common return ng fbt na ABL connect wire then pag power on mo itapat sa anode ng fbt kung medyo mahina ung arcing ireverse ung connection sa primary winding ng fbt
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Re: improvised flyback tester
« Reply #4 on: April 21, 2012, 11:23:41 AM »

Offline Min

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Re: improvised flyback tester
« Reply #5 on: April 21, 2012, 11:28:17 AM »
TS, panu kung shorted ung flyback under test. Kaya ba i absorb nung electronic ballast ang short circuit condition (the flyback under test being the load ) without any damage?
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Offline adfa4c

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Re: improvised flyback tester
« Reply #6 on: April 21, 2012, 11:39:38 AM »
oo kahit hanggang 20 sec pero kailangan lng lakihan mo ung driver transistor tulad ng D313 working ito kc meron na ako nito noon p 2004 nag dagdag n lng ako ng ibang pyesa para magamit ding high insulation resistance tester parang megger ska may terminal para sa read out mo gaya ng analog tester nkapag benta na rin ako nito noon mga 10 units ginawan ko ng manual
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Offline adfa4c

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Re: improvised flyback tester
« Reply #7 on: April 21, 2012, 11:43:02 AM »
konti lng pyesa nyan, magppost n lng ulit ako kung paano kumpleto magamit
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Offline Min

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Re: improvised flyback tester
« Reply #8 on: April 21, 2012, 11:45:15 AM »
Mukhang maganda yan ah. Pero hindi ko parin ma gets connection mo. Ung output ng ballast papunta sa tube un ang ipapasok na input sa flyback? di ba high voltage na yun?

edit..
Ah. OK cge TS antay ko yan.
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Offline adfa4c

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Re: improvised flyback tester
« Reply #9 on: April 21, 2012, 11:52:30 AM »
gets na kc di b ac din ang output ng ballast na yan mga 600 volt ska high frequency din na required ng input ng fbt
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Re: improvised flyback tester
« Reply #10 on: April 21, 2012, 11:58:50 AM »
Hmm interesting. Lalo na dun sa high insulation tester, paano naman yun?
*http://www.elab.ph/forum/index.php?topic=36002.0
*http://www.elab.ph/forum/index.php?topic=35611.0
*http://www.elab.ph/forum/index.php?topic=37150.0
*http://www.elab.ph/forum/index.php?topic=29963.0

Offline centOS

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Re: improvised flyback tester
« Reply #11 on: April 21, 2012, 12:06:11 PM »
pa subs sis...
Jesus is like a software. He enters your life, scan your problems, edits your tension, downloads solutions, deletes your worries & saves you...

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Re: improvised flyback tester
« Reply #12 on: April 21, 2012, 12:11:01 PM »
Hmm medyo alanganin lang ako since 220VAC ang output ng electronic ballast. Di kaya magkatama naman neto ang flyback mo. Pwede siguro kung 110VAC output then yung sinasabing ng common eh magiging ground para sa patalunan ng high voltage.

*http://www.elab.ph/forum/index.php?topic=36002.0
*http://www.elab.ph/forum/index.php?topic=35611.0
*http://www.elab.ph/forum/index.php?topic=37150.0
*http://www.elab.ph/forum/index.php?topic=29963.0

Offline adfa4c

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Re: improvised flyback tester
« Reply #13 on: April 21, 2012, 12:11:14 PM »
simple lng sya gagamitin mo din ung 600 volts ac bilang impressed voltage in series with analog tester tapos sa resistance range ingat lng sa select ng resistance lalo na at may leak, yan n lng muna bro papasok p ako sa work  log out muna
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Offline adfa4c

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Re: improvised flyback tester
« Reply #14 on: April 21, 2012, 12:15:39 PM »
di naman sya masyado na high current bro since ang power supply mo is 12 volt dc 2 amp ska tested ko na yan pakibasa na lng ung ibang post ko para understand nyo n lng cge log out n
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Offline p®otocol

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Re: improvised flyback tester
« Reply #15 on: April 21, 2012, 12:33:43 PM »
sub...
[nO MatTer How GiFteD yOu aRe, yOu aLonE cAnNot cHanGe tHe WorLd]

Offline adfa4c

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Re: improvised flyback tester
« Reply #16 on: April 21, 2012, 11:57:49 PM »
ung sa high insulation test,ung 600 vac gagawin mong dc para sa impressed voltage nya.tapos ikkabit mo ung analog tester bale naka-series ung tester at 600 vdc n impressed voltage. Pwede syang ipang-test ng insulation between different windings, high voltage diode at ung screen at focus potentiometer ang common connection nya ay ABL. Para matest mo naman ung primary winding kung may short o wala, ikkabit mo ung 600 vac nya sa primary winding(primary winding is ung dinadaanan ng B+ papunta sa collector ng H-out tapos itutok mo ung tester in parallel nka AC range 1000 volts pag ON mo ng FBT tester dapat almost 600vac pa din ang reading, pag bumaba let say 600v naging 300v meron short yan, pwede mo rin sya i-compare sa good na fbt para mkabisado. Pwede mo i-simulate ung short para makita mo epekto, maglagay ka ng soldering lead sa ferrite core kahit 1 turn na shorted tingnan mo reading sa tester.Ung ganitong test principle ay katulad ng pag test ng power transformer kkuha ng kahit 500mA na 220-6vac ikkabit din sa primary ng power transformer kahit 1000 watts,pag sinuplayan mo na ung maliit na transformer ung 6vac masusukat mo pa din sa tester indikasyon n good ung transformer pero pag may short bagsak din ung 6vac.Try nyo..
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Re: improvised flyback tester
« Reply #17 on: April 22, 2012, 10:04:52 AM »
^Hmm very interesting. Sana lang me drawing para mas comprehensible.


Mapapagastos na naman ako nito gawa mo dahil magexperiment uli.  ;D   +1
*http://www.elab.ph/forum/index.php?topic=36002.0
*http://www.elab.ph/forum/index.php?topic=35611.0
*http://www.elab.ph/forum/index.php?topic=37150.0
*http://www.elab.ph/forum/index.php?topic=29963.0

Offline adfa4c

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Re: improvised flyback tester
« Reply #18 on: April 22, 2012, 11:57:55 AM »
mag effort na lng kyo bro sabi nga 'no gut no glory' ska konti lng mga pyesa nyan bili ko nga ng 12vdc ellectronic ballast na yan sa hardware eh wala pa 100 pesos noon 2004 nagdagdag ska nag modify n lng ako jan ung core ng transformer sa loob nyan ginamit ko ferrite bar ng AM radio nag lagay din ako ng selector sw para sa ibang function ska mga terminal para sa read out at connection ska nga pala ung driver transistor ng transformer palitan din ng D313 para lakas arcing nya, gastos ko lahat noon 250 pesos ksama lahat pati plastic enclosure sabi ko nga ulit mag eksperimento ganyan din gawa ko noon kya ung dating arcing test lng nadagdagan ng ibang function.Tnx pla sa point 
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Re: improvised flyback tester
« Reply #19 on: April 22, 2012, 03:08:47 PM »
TEka mahanap nga yung site na parang hawig sa driver mo.
*http://www.elab.ph/forum/index.php?topic=36002.0
*http://www.elab.ph/forum/index.php?topic=35611.0
*http://www.elab.ph/forum/index.php?topic=37150.0
*http://www.elab.ph/forum/index.php?topic=29963.0

Philippine Electronics Forum

Re: improvised flyback tester
« Reply #19 on: April 22, 2012, 03:08:47 PM »

 

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