An efficiency estimation of a solar battery energy picking
An solar battery (SB) efficiency doesn’t exceed 15-25 %. Improvement of SB opertation mode is pos-sible with maximum point power tracker device which is, as usual, a…
Features of operation of the switching regulators from the sources of voltage and current are analyzed. Presented schemes of switching regulators of direct current, dual to the switching regulators of direct voltage. The features of the operation of switching regulators when supply them from real voltage and current sources are analyzed. Regulation characteristics, when supply them from the ideal source of voltage and current and taking into account the internal resistance of the source, are considered. It is shown, that since the corresponding schemes of switching regulators of voltage and current are dual, the analytic expressions of their regulation characteristics are analogous. For step-down regulators of voltage and current formulas, for determination the value of the inductance and capacity, taking into account the internal resistance of the power supply source, are proposed. As an example, the normalized graphs of regulation characteristics for switching step-down regulators of a direct voltage and current are presented. The limitations, bу doing of which, presented characteristics, with sufficient accuracy for practical application, describe the properties of real regulators, are indicated. Ref. 11, fig. 4, tabl. 1.
An solar battery (SB) efficiency doesn’t exceed 15-25 %. Improvement of SB opertation mode is pos-sible with maximum point power tracker device which is, as usual, a…
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