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Author Topic: Switching Power Supply  (Read 2771 times)
« Reply #27 on: 27 March 2006, 03:32:53 PM »
Offline KoE
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yeah righttt
"power supplies don't "push" current, they only provide what an appliance will draw" ... excerpt from rctech... simplifying what speedy was trying to explain  Grin
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« Reply #26 on: 21 March 2006, 02:46:39 AM »
Offline Speedy_R3
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Quote from: Rosdi™ on 19 March 2006, 08:38:18 PM
Semak dulu min dan max amp yang diterima charger. Sekiranya charger tu dapat tampung max 24A, masa charging boleh dicepatkan cuma bateri akan lebih panas. Macam makan nasi sepinggan, dua kali suap. Cepat kenyang, tapi mengah.

Semestinya output dari charger akan naik. Mungkin bateri 3600 sesuai dan kurang sesuai untuk 3000 ke bawah.
walaupun kita guna power supply 29amp pada charger yang dapat tampung sampai 24Amp... tak semestinya output dari charger akan naik melebihi dari apa yang kita setkan charger tuuu... sebagai contoh kalau kita set 6amp pada charger, outputnya still 6 amp... kalau kita setkan amp value yang setinggi 24amp tuuu utk charge battery 2000 ke atas... memang ia akan mempercepatkan jangka waktu charging tapi ia juga pasti akan menghancurkan or membunuh sel bateri tuu sebab overload current access...

Just my 2 cents... no offence Bro...!!!
« Last Edit: 21 March 2006, 02:53:10 AM by Speedy_R3 » Logged

« Reply #25 on: 21 March 2006, 02:30:09 AM »
Offline Speedy_R3
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Quote from: StreetDevils on 19 March 2006, 08:06:00 PM
Saja nak tanya... Jika tukar power supply yang amp nya yang lebih tinggi, charger akan rosak tak? Huh Output amp charger akan naik tak? Huh

thanx...
walaupun you pakai power supply yang AMP draw nyer lebih dari Max Amp draw yang boleh di salurkan oleh charger you, ia tidak akan merosakkan charger tapi kalau you pakai voltage yang lebih tinggi dari apa yang boleh di terima oleh charger you... itu akan hanguskan charger you...

dan kalau you pakai power supply yang Amp nyer lebih tinggi dari Max Amp draw charger you... output amp charger tuuu akan sama seperti apa yang you setkan pada charger you tuuu sebelum you charge battery tuu... Ex: if you setkan charger you to charge at 6 Amp... output nyer will still be at 6 Amp... walaupun you pakai 29Amp nyer power supply...

Biasanya orang yang pakai power supply yang Amp nyer besar... dia guna banyak equipment... so instead of getting more power supply to feed each of your equipment... beli satu power supply yang Amp nyer besar yang boleh menampung semua equipment you... sebagai contoh... kalau you ada 2 charger dan satu tyre warmer... power supply 12.5 amp takkan cukup kalau you nak run semua equipment serentak... so time nie lah power supply yang Amp besar diperlukan...

hope this helps...
« Last Edit: 21 March 2006, 02:33:32 AM by Speedy_R3 » Logged
« Reply #24 on: 19 March 2006, 08:38:18 PM »
Offline Rosdi™
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Quote from: StreetDevils on 19 March 2006, 08:06:00 PM
Saja nak tanya... Jika tukar power supply yang amp nya yang lebih tinggi, charger akan rosak tak? Huh Output amp charger akan naik tak? Huh

thanx...

Semak dulu min dan max amp yang diterima charger. Sekiranya charger tu dapat tampung max 24A, masa charging boleh dicepatkan cuma bateri akan lebih panas. Macam makan nasi sepinggan, dua kali suap. Cepat kenyang, tapi mengah.

Semestinya output dari charger akan naik. Mungkin bateri 3600 sesuai dan kurang sesuai untuk 3000 ke bawah.
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« Reply #23 on: 19 March 2006, 08:06:00 PM »
Offline Ken
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Quote from: M_Syafiq on 15 March 2006, 01:11:56 PM
tabley naik la Tongue
kalau dtg dgn charger...like apex, boleh la guna...yg tu mmg dah kira sufficient dah utk charger dia

Saja nak tanya... Jika tukar power supply yang amp nya yang lebih tinggi, charger akan rosak tak? Huh Output amp charger akan naik tak? Huh

thanx...
« Last Edit: 19 March 2006, 08:06:37 PM by StreetDevils » Logged
A StOrY LeFt BeHiNd...
« Reply #22 on: 15 March 2006, 03:05:51 PM »
Offline jass
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  Huh Woo i c like that  Roll Eyes. tq broo...  ;)nak cari switching power supply ler nampaknya.... Grin Grin
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« Reply #21 on: 15 March 2006, 01:11:56 PM »
Offline M_Syafiq
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Quote from: StreetDevils on 15 March 2006, 12:28:48 PM
Kenapa nak tukar power supply jika datang dgn charger?
Saya punya charger output max 4.5A, jika saya tukar power supply, Amp akan naik kah?

tabley naik la Tongue
kalau dtg dgn charger...like apex, boleh la guna...yg tu mmg dah kira sufficient dah utk charger dia
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I'm rookie.Open to any advice
« Reply #20 on: 15 March 2006, 12:28:48 PM »
Offline Ken
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Kenapa nak tukar power supply jika datang dgn charger?
Saya punya charger output max 4.5A, jika saya tukar power supply, Amp akan naik kah?
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« Reply #19 on: 14 March 2006, 06:36:34 PM »
Offline Rosdi™
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Gunakan switching power supply untuk constant power rate. This will make sure your battery will get max power especially for match battery.
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« Reply #18 on: 14 March 2006, 01:32:45 PM »
Offline zrill
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Don't do it straight, do it SIDEWAYZ
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tu disebabkan amp tak cukup. 0.5 mana nak cukup... sekurang kurangnya kena pakai 7 amp.
pastikan pakai switching power supply.
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« Reply #17 on: 14 March 2006, 01:09:29 PM »
Offline jass
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Posts: 8
I'm a llama!
hai saya budak baru belajar. nak tanya power supply yg bg mana yg sesuai utk charger novak mellennium. saya da test 15v 0.5A 7.5va n charger  secara outomatic disconnected tukar kat 12v 0.5A pun sama juga hasilnya. tapi bila guna batt keta 1:1 punya ok plak? so manakah silapnya tu? Tq
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« Reply #16 on: 21 April 2005, 03:10:38 PM »
Offline Hairi
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Just read this topic... All of this product that Rosdi sells is really reliable... Seems like if i'm not wrong all this power supply is 'MEANWELL' brand...

For info, i am involve in machine / automation industry. And i can say most of machine manufacturer use this type power supply for the controll systems...


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« Reply #15 on: 01 December 2004, 11:39:20 PM »
Offline klien
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OIC Grin Grin Grin
Thank you, Rosdi Smiley Smiley Smiley Smiley Smiley
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« Reply #14 on: 01 December 2004, 02:59:46 PM »
Offline Rosdi™
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Quote from: klien on 01 December 2004, 02:46:55 AM
Mr. Rosdi,

Have tried to adjust the voltage, manage to get max 14.23 volt only. Undecided Undecided

If your power supply stated 12V, then you get 14.23V, it is very damn good enough. Else, you need to get 15V PS then you can get more voltage then that. Grin Cool
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« Reply #13 on: 01 December 2004, 02:46:55 AM »
Offline klien
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Mr. Rosdi,

Have tried to adjust the voltage, manage to get max 14.23 volt only. Undecided Undecided
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« Reply #12 on: 29 November 2004, 04:42:16 PM »
Offline klien
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Thank you Mr. Rosdi. Smiley
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« Reply #11 on: 29 November 2004, 12:21:49 PM »
Offline Rosdi™
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Yes, you can adjust to 15V. See voltage adjuster (white) at far right. Use screwdriver for that. Make sure your charger can accept 15V DC. Else... Cry
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« Reply #10 on: 29 November 2004, 03:10:04 AM »
Offline klien
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Quote from: Rosdi™ on 17 February 2004, 08:26:03 PM


100W Single Output Switching Power Supply
AC input range selectable by switch
Protections: short circuit/over load
Cooling by free air convection
Fixed switching frequency at 25KHz
100% full load burn-in test
Low cost, high reliability
12V, 0~8.5A
1 year warranty

Item No. 10065
PRICE: RM110.00


Hi there!

For the above power supply, can i adjust the voltage to 15volt?
If can , How to adjust?

Thank you.
 Smiley
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« Reply #9 on: 09 October 2004, 10:00:51 PM »
Offline TaWiLz™
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ohok... ohok... ohok!!!
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Quote from: SamDol® on 09 October 2004, 02:12:53 PM
Kan aku dah bilang.... Tawilz memang rabun sejak azali...

Biar kau ulangi semula...


MATA AKU SEPERTI MATA BURUNG HELANG!!! SHARP GILER!!!

 Grin
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« Reply #8 on: 09 October 2004, 02:12:53 PM »
Offline SamDol®
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Ada sesiapa yang brani sentuh?? Silakan!!
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Kan aku dah bilang.... Tawilz memang rabun sejak azali...
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Smiley Smiley Smiley  de 9W2ALZ    cherio bye-bye 73
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