IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Stable adiabatic circuit using advanced series capacitors and time variation of energy dissipation
Shunji NakataShin'ichiro MutohHiroshi MakinoMasayuki MiyamaYoshio Matsuda
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2010 Volume 7 Issue 9 Pages 640-646

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Abstract

We discuss the stability of an adiabatic stepwise-charging circuit with advanced series capacitors, which is effective for the reduction of the applied voltage to each capacitor. SPICE simulation shows that this circuit is stable even if the initial voltages are lower than zero. For the analytical discussion, we derive a matrix that connects charge and voltage in the circuit and show that the matrix is a positive-definite symmetric one. Therefore, the step voltage is generated spontaneously. We also derive energy dissipation analytically using tank capacitor voltage. Using this formula and SPICE simulation, we clarify that energy dissipation decreases monotonically as a function of time and finally reaches the minimum value.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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