Fan speed control circuit
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project report helper
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#1
07-10-2010, 11:15 AM



.pdf   fan speed ctrl 5V.pdf (Size: 37.32 KB / Downloads: 240)
Circuit Generates Analog Fan-Speed Control


Abstract:

A linear circuit measures temperature and controls the speed of a cooling fan by generating a variable supply voltage for the fan. Fan noise is becoming a larger issue as more electronic equipment enters the office and the home. A variable speed fan permits slower, and quieter, fan speed when temperature conditions allow. Fan-control circuits range from simple switches that boost the fan speed at a certain temperature, to digitally controlled fans with continuously-variable speed. High-speed/low-speed switches are inexpensive, but the sound of sudden speed changes can be annoying. Digitally controlled fans perform well, but those circuits are more costly, and the system must include a serial bus. This application note presents a low cost, self-contained analog circuit for fan-speed control (Figure 1), which is easily adjusted for any desired linear relationship between the fan voltage and temperature (Figure 2, Curves B and C). Actual data points are plotted against the desired voltage in Figure 2.
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seminar addict
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#2
07-02-2012, 10:49 AM


to get information about the topic automatic temperature controlled fan circuit full report,ppt and related topic refer the link bellow
topicideashow-to-automatic-temperature-controlled-fan

topicideashow-to-automatic-temperature-control-of-vaccum-brazing-furnace-by-using-plc-full-report

topicideashow-to-temperature-controlled-fan-project and implimentation

topicideashow-to-fan-speed-control-circuit
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srbh91
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#3
10-03-2013, 12:24 AM

can i get any ideas of extending it to a major project and implimentation...any simple changes that can be done...by using devices other than fan..??
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study tips
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#4
11-03-2013, 10:11 AM

To get full information or details of Fan speed control circuit please have a look on the pages

topicideashow-to-ceiling-fan-speed-control

if you again feel trouble on Fan speed control circuit please reply in that page and ask specific fields in Fan speed control circuit
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