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Author Topic: Saan ba ginagamit ang constant current ng Bench Power Supply?  (Read 4909 times)

Offline ahlburuto

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #20 on: June 01, 2008, 01:10:01 PM »
magpost na lang ako dun.... pag meron...
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #20 on: June 01, 2008, 01:10:01 PM »

Offline beginner wan

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #21 on: June 01, 2008, 04:45:08 PM »
Quote from: julznc on June 01, 2008, 12:00:01 PM
ginagamit ko lang yan as protection sa circuit na tini-test ko..
for example, nili-limit ko lang yung maximun current na pwedeng i-output ng power supply,
para in case na may mag-'short' sa circuit under-testing, wala ng ibang madadamay/masisirang parts,
kasi magli-limit agad yung power supply..
pero i think intended talaga yan na mag-act as current source (e.g. charger)..

ganun pala gamit nun.. sabi nung prof ko sa physics dati, pag umilaw daw yung CC, masisira daw yung supply...  ??? ??? ???
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #21 on: June 01, 2008, 04:45:08 PM »

Offline 1110000

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #22 on: June 01, 2008, 04:50:34 PM »
Quote from: beginner wan on June 01, 2008, 04:45:08 PM
ganun pala gamit nun.. sabi nung prof ko sa physics dati, pag umilaw daw yung CC, masisira daw yung supply...  ??? ??? ???



hindi ganoon ;D ;D pag umilaw ibig sabihin constant current na yung output nya ;)
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #22 on: June 01, 2008, 04:50:34 PM »

Offline Macgyver

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #23 on: June 01, 2008, 05:26:32 PM »
pag sinabi bang constant current eh ang nagaadjust automatically is yung voltage?

tipong pag sinet ko sa 20mA current tapos sinaksakan ko ng 1k resistor eh 20mA  pa din ang reading, tapos pag 10k ang sinaksak kong resistor eh 20mA pa rin ang current tapos voltage ang magaadjust ?
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #23 on: June 01, 2008, 05:26:32 PM »

Offline 1110000

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #24 on: June 01, 2008, 05:48:52 PM »
Quote from: mcgyver on June 01, 2008, 05:26:32 PM
pag sinabi bang constant current eh ang nagaadjust automatically is yung voltage?

tipong pag sinet ko sa 20mA current tapos sinaksakan ko ng 1k resistor eh 20mA  pa din ang reading, tapos pag 10k ang sinaksak kong resistor eh 20mA pa rin ang current tapos voltage ang magaadjust ?

mismo! ;D ;D ;D ;D ;D
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #24 on: June 01, 2008, 05:48:52 PM »

Offline 'yus

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #25 on: June 01, 2008, 05:57:14 PM »
Quote from: mcgyver on June 01, 2008, 05:26:32 PM
pag sinabi bang constant current eh ang nagaadjust automatically is yung voltage?

tipong pag sinet ko sa 20mA current tapos sinaksakan ko ng 1k resistor eh 20mA  pa din ang reading, tapos pag 10k ang sinaksak kong resistor eh 20mA pa rin ang current tapos voltage ang magaadjust ?
yup ganyan nga, pero depende pa rin kung saan naka-set yung maximun voltage..
like sa example mo, kung si-net mo sa 20mA then kinabit mo yung 10k,
meaning yung required voltage is 200V (20mA x 10kohm)..
and kung 30V lang ang maximum na kaya ng PS mo, di sya magsi-CC mode sa ganyang setup..
magsi-CV mode na sya sa 30V and di na nya aabutin ang 20mA..
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Offline Macgyver

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #26 on: June 01, 2008, 06:22:44 PM »
Quote from: joseph@elab on June 01, 2008, 05:48:52 PM
mismo! ;D ;D ;D ;D ;D

hmmm...interesting.  gusto ko ng ganyang PS kung merong mura somewhere :-)
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Offline ahlburuto

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #27 on: June 01, 2008, 08:46:45 PM »
Quote from: beginner wan on June 01, 2008, 04:45:08 PM
ganun pala gamit nun.. sabi nung prof ko sa physics dati, pag umilaw daw yung CC, masisira daw yung supply...  ??? ??? ???


pag umilaw yung "CC" eh ibig sabihin nareach mu na yung setting mu ng current. hanggang dun lang sya.

siguro ibang klaseng PS yung nagamit ng prof mo. meron kasing PS na pag binabad mo na naka ilaw yung CC eh sobrang mag iinit hanggang sa masira. ;D
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Offline beginner wan

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #28 on: June 01, 2008, 08:50:36 PM »
ewan ko dun sa prof kong yun. kaya nga kapag nakikita naming umiilaw yung CC na yun, nagpapanic talaga kami para patayin yung PS.. tsk tsk tsk...
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Offline ahlburuto

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #29 on: June 01, 2008, 09:06:32 PM »
hehehe...  ;D ;D ;D
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Offline rdpzycho

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #30 on: June 01, 2008, 10:02:49 PM »
ginagamit ko pang-charge ng Lead Acid Batteries. tama yung algorithm niya e. ;D yung sa pagbaba na lang ng voltage ang manual operation ko. kung maganda yung Power Supply kahit nasa max voltage at max current, ibabad ng 3 araw hindi masisira.

nagtetest din ako ng reliability ng mga components, stress test. yung mga diode binababad ko at max rated current for few days straight. ;D
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Offline 1110000

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #31 on: June 01, 2008, 10:05:22 PM »
ganay n din gawa ko, pang charge ng battery :D
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Offline rdpzycho

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #32 on: June 01, 2008, 10:06:35 PM »
isa pa pala sa useful application niya (kung merong available), pagmagnetize ng screwdriver at iba pang tools. nagbabalot ako ng maraming wire sa lumang spool na maliit butas sa gitna. pasok yung screwdriver, lagay sa CC na pinakamataas tapos babad ng ilang minutes (kapag wala kasing CC, kailangan ng resistor tapos dami sayang na power). magnetized na yung screwdriver. minsan ginagawa ko yun sa long nose at diagonal cutter ng mga tech. ;D siyempre yamot kasi hindi kumakalas yung mga ibang pinuputol at pinupulot. ;D ;D ;D
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Offline ahlburuto

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #33 on: June 01, 2008, 10:07:10 PM »
durability test ah....  ;D
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Offline 1110000

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #34 on: June 01, 2008, 10:11:20 PM »
Quote from: rdpzycho on June 01, 2008, 10:06:35 PM
isa pa pala sa useful application niya (kung merong available), pagmagnetize ng screwdriver at iba pang tools. nagbabalot ako ng maraming wire sa lumang spool na maliit butas sa gitna. pasok yung screwdriver, lagay sa CC na pinakamataas tapos babad ng ilang minutes (kapag wala kasing CC, kailangan ng resistor tapos dami sayang na power). magnetized na yung screwdriver. minsan ginagawa ko yun sa long nose at diagonal cutter ng mga tech. ;D siyempre yamot kasi hindi kumakalas yung mga ibang pinuputol at pinupulot. ;D ;D ;D

ang lakas mang pikon ah ;D ;D ;D ;D ;D ;D ;D
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Offline rdpzycho

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #35 on: June 01, 2008, 10:18:55 PM »
Quote from: joseph@elab on June 01, 2008, 10:11:20 PM
ang lakas mang pikon ah ;D ;D ;D ;D ;D ;D ;D

hehehe. lalo na nung sa supply ng LED na dumidikit yung pinutol (pero ayaw tanggapin as scrap metal, kahit kilo kilo na). e maraming pinuputol na paa ng LED, pagputol kailangan pang i-pagpag dahil purol na rin yung cutter. ;D
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Offline 1110000

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #36 on: June 01, 2008, 11:46:49 PM »
Quote from: rdpzycho on June 01, 2008, 10:18:55 PM
hehehe. lalo na nung sa supply ng LED na dumidikit yung pinutol (pero ayaw tanggapin as scrap metal, kahit kilo kilo na). e maraming pinuputol na paa ng LED, pagputol kailangan pang i-pagpag dahil purol na rin yung cutter. ;D

 ;D ;D ;D ;D ;D ;D ;D ;D ;D
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Offline NanotecH

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #37 on: June 02, 2008, 02:15:30 AM »
Quote from: beginner wan on June 01, 2008, 08:50:36 PM
ewan ko dun sa prof kong yun. kaya nga kapag nakikita naming umiilaw yung CC na yun, nagpapanic talaga kami para patayin yung PS.. tsk tsk tsk...

baka napalitan yung label ng CC imbis na OVERLOAD .... ;D ;D ;D
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Offline ahlburuto

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #38 on: June 02, 2008, 09:42:23 AM »
Quote from: NanotecH on June 02, 2008, 02:15:30 AM
baka napalitan yung label ng CC imbis na OVERLOAD .... ;D ;D ;D

pwede nga rin. hehehehe ;D ;D ;D
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Offline mArKhAo

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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #39 on: June 14, 2008, 03:01:19 PM »
meron bang may alam nung ckt ng CC? post naman kau dito oh... tnx  :-*
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Re: Saan ba ginagamit ang constant current ng Bench Power Supply?
« Reply #39 on: June 14, 2008, 03:01:19 PM »
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