A DC step-down power supply based on energy control
A DC voltage reduction and energy control technology, applied in control/regulation systems, DC power input conversion to DC power output, electrical components, etc., can solve problems such as overshoot and long adjustment process, and achieve strong adaptability and excellent dynamic performance. performance, the effect of excellent steady-state operating performance
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[0024] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0025] The present invention takes a typical BUCK DC converter as an example for specific description and analysis.
[0026] A DC power supply with excellent dynamic performance proposed by the present invention is composed of a main circuit and a control circuit.
[0027] The main circuit is composed of power electronic switching device VT, freewheeling diode VD, filter inductor L, filter capacitor C, and load R. The connection method between these devices is consistent with that of a typical BUCK circuit.
[0028]The control circuit is mainly composed of signal processing circuit 1, dynamic process logic judgment circuit 2, steady state process control circuit 3, sudden increase dynamic process control circuit 4, sudden decrease dynamic process control circuit 5, NOT gate circuit 6, AND gate circuit 7, and Gate circuit 8, OR gate circuit ...
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