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On 20 Oct, 15:12, Ed G wrote:
Looking thru various antenna pages on the web and I continually find reference to inductance CANCELLING capacitance. The operative word should be BALANCING and the difference is important . In all cases the capapicitor is still there and operative as is the inductance.One cannot say they are cancelled so they can be disregarded. You cannot make either of them inoperative or of no consequence even in the case where a clockwise wound inductance is in series with a counterclockwise inductance since by definition both are energy containers. When you have a resistive impedance for a full wavelength without a reactive component per se what it means is that the energy contained in each of the energy containers are equal thus allowing for symetry as in a loss less pendulum. If on does not have a full wave length you can still have equal energy sinks but their release of energy is not synonymous with each other thus there is no symetry. So concentrate on the word "balance" or "equilibrium" when maximum efficiency is required. Best regards Art Unwin....KB9MZ......xg I see your point, but I think the issue you are having with "balance" vs. "cancel" is more semantics than functional. It is easier to perceive the issue as a cancellation when making calculations and design, I think. Ed K7AAT- Hide quoted text - - Show quoted text - Yes that may be true but with the increasing reliance on mathematics and computors the gimmicks that come with mathematics are distorting things. Tho an inductance may be "cancelled" out it is still there which created a magnetic field which may or may not be affected by an alternately counter wound inductance since energy is still being used to create a magnetic field amoungst other things. I would imagine if the inductances were used for storing energy mathematically that fact would be hidden leading research into a incorrect direction. For me who is working around the LC ratio with respect to antennas Ithere are advantages for maximum capacitance and inductance vessels for max time varience of energy discharge while at the same time keeping to the required LC ratio at point of feed since the larger the storage vessel the faster the energy release or explosion which then means a higher velocity for free electrons to carry communication. Note with respect to the H bomb tests in the Pacific where the more powerfull explosion wiped out the Honolulu electrical grid which had not happened before thus the velocity of the explosion or release had a direct relationship with radiation. Best regards Art |
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