R - Fachgebiet Hochspannungstechnik
R - Fachgebiet Hochspannungstechnik
R - Fachgebiet Hochspannungstechnik
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The Electric Field - Fundamentals<br />
Maxwell's Equations<br />
Continuity equations ("Auxiliary equations")<br />
Continuity equation of current<br />
and dielectric displacement<br />
density:<br />
∫∫<br />
A<br />
⎛<br />
⎜J<br />
⎝<br />
∂D<br />
⎞<br />
+ ⎟dA=<br />
∂t<br />
⎠<br />
0<br />
Conversion:<br />
∫∫<br />
A<br />
∂D d A =− ∫∫<br />
J d A = i()<br />
t<br />
∂t<br />
A<br />
Integration over time:<br />
∫∫<br />
DA d = ∫i()<br />
t dt = Q<br />
A<br />
Gauss's law<br />
∫∫ DA= d<br />
A<br />
Q<br />
<strong>Fachgebiet</strong><br />
<strong>Hochspannungstechnik</strong><br />
High-Voltage Technology / Chapter 6 - 2 -