Quote:
Originally Posted by Besoeker
The fundamental relationship:
Energy = power x time does not depend on the form of energy.
The notion of instantaneous energy violates that fundamental relationship.
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Electrical energy is the energy context to which the articles refer. Energy when viewed in the context of time = Power x Time. Power can be reduced to single units of energy. Instantaneous energy is consistent with fundamental laws. Energy may neither be created nor destroyed. Energy is always present and when observed momentarily is instantaneous. Power measures the rate of energy transfer. No energy no power. The term instantaneous is an observation frame of reference and can apply to anything being observed.
The articles refer to average power over time and not instantaneous power and the notion of instantaneous power is not consistent with the way power is described in the articles. It's irrelevant and a distraction from the intended meaning of the articles, which is clear.