Wong Sir's Power Supply
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- 星際雲
- 文章: 13
- 註冊時間: 週日 29 6月, 2003 17:33
Wong Sir's Power Supply
Wong Sir,
Your 12V 5A power supply is ready to go.
A fan on the heat sink will turned on automaticly when temp goes to 45 degree C.
Your 12V 5A power supply is ready to go.
A fan on the heat sink will turned on automaticly when temp goes to 45 degree C.
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Re: Wong Sir's Power Supply
Wow!!Studioalley 寫:Wong Sir,
Your 12V 5A power supply is ready to go.
A fan on the heat sink will turned on automaticly when temp goes to 45 degree C.
So beautiful.
Thanks a lot Studioalley.
How can I collect this wonderful power supply?
My mobile 93555397.
When you will come to my farm to test your motor control device?
Tripod is ready now.
Wongsir
13-8-2003
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- 星際雲
- 文章: 13
- 註冊時間: 週日 29 6月, 2003 17:33
Switching 牛:
將220v ac電經整流變為直流高壓電。
直流高壓電經過振蕩器,振出約70kHz的方波。
70kHz的方波高壓電接入鐵粉心火牛初級(primary),將70kHz高壓電變為所要的70kHz的低壓電壓電(eg 12V, 5V)。方波經過火牛後,會變為接近sin wave
70kHz的低壓電,只要用半波整流就可以得到dc電了。
Switching 牛的好處:
效率高,體積少,輕
大電流的power supply 成本平
Switching 牛的壞處:
易壞
平價switching power supply有noise,及EMI。
EI 牛:
一般平常見到大大舊,好鬼重o個種。
由於火牛內的鐵片是由多片E形及I形組成,所以叫EI牛
Studioalley
將220v ac電經整流變為直流高壓電。
直流高壓電經過振蕩器,振出約70kHz的方波。
70kHz的方波高壓電接入鐵粉心火牛初級(primary),將70kHz高壓電變為所要的70kHz的低壓電壓電(eg 12V, 5V)。方波經過火牛後,會變為接近sin wave
70kHz的低壓電,只要用半波整流就可以得到dc電了。
Switching 牛的好處:
效率高,體積少,輕
大電流的power supply 成本平
Switching 牛的壞處:
易壞
平價switching power supply有noise,及EMI。
EI 牛:
一般平常見到大大舊,好鬼重o個種。
由於火牛內的鐵片是由多片E形及I形組成,所以叫EI牛
Studioalley
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- 星際雲
- 文章: 13
- 註冊時間: 週日 29 6月, 2003 17:33
This power supply is simple, a fix 12V 5A max output
There are two sockets on panel, one is car 12V socket other is 2 pin socket.
2 fuses on panel, one ac 2A, one dc 5A.
This PS has a overvoltage protection circuit. If output voltage is over 13.2V the 5A fuse will be burnt out.
The cooling fan will run at a low speed, whenever it is powered.
If the heatsink temperture goes up to 45 degree C, the fan will run at high speed.
There are two sockets on panel, one is car 12V socket other is 2 pin socket.
2 fuses on panel, one ac 2A, one dc 5A.
This PS has a overvoltage protection circuit. If output voltage is over 13.2V the 5A fuse will be burnt out.
The cooling fan will run at a low speed, whenever it is powered.
If the heatsink temperture goes up to 45 degree C, the fan will run at high speed.
-
- 星際雲
- 文章: 13
- 註冊時間: 週日 29 6月, 2003 17:33
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