Calculating Coil Turns for 3x 12V LEDs in Series Activated by Solenoid Piston

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#1 21675894 12 May 2016 16:19

jeff Bonesteel jeff Bonesteel

Anonymous

Post #1
21675894 12 May 2016 16:19

OK I have a solenoid and when energized. It is supposed to activate piston which energizes a coil which has three LEDS in series. I am not getting anything to work, How do I determin how many turns I need the Leds ar 12 Vf each. Should I get new leds with lower Voltage? ANy help on this would be great.
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#2 21675895 12 May 2016 20:31

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21675895 12 May 2016 20:31

Hi,

First, how many amperes does the coil generate? What is the voltage requirement for the LED? In most cases, these solenoids have small values if not properly turned. Have a look at this:
* http://www.coilgun.info/theorymath/solenoidphysics.htm
* http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/solenoid.html
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