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Re: [TCML] The Dreadful Task of Ballasting (longish)
Do what? Why not just hook the inductor up to a variac and amp meter and
start at 0 volts and increase the voltage in X number of volts and read
the amps pulled on the meter at each succesive reading untill saturation
occurs ( basically a severe increase in amps drawn) and then input the
curve of amps drawn and voltage applied to get the inductance/ohms of
Thats pretty much how I determined how to set my inductor to 60 amps at
280VAC. I set the gap to a certian point and brought the voltage up to
280VAC and took a look at the meter. If it was too low, I closed the gap
untill I got the reading I needed. sometimes the try it till it works
does the job...
Harvey Norris wrote:
I would series the inductor with a larger wattage load such as a 200 watt incandescent bulb. Estimate the inductor as a total value of inductive reactance; note the drop in amperage to the bulb,(as a pure resistance) and apply trig to the problem. The new value of conduction should be based on the ohmic value of the hypotenuse with y as X(L) and bulb resistance as the x coordinant.
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