METHOD TO CONTROL PULSE VOLTAGE STABILISER Russian patent published in 2012 - IPC G05F1/00 

FIELD: electricity.

SUBSTANCE: measurement of voltages at the outlet U_OUT and the inlet of U_IN of a PVS, throttle I_t and load I_l current of the PVS is carried out at each period of transformation into fixed moments of time (mT+τ). The measured voltage values U_OUT and U_IN, currents I_t and I_L are memorised. A signal "capacitor current" I_c ⁼I_t-I_l-U_OUT/U_IN is calculated, as well as a mismatch signal ε=U_OUT-U_IN, where U_ref - reference voltage. From the value of the signal "capacitor current" I_c(mT+τ) the value of "capacitor current" signal is subtracted as I_c((m-1)T+τ), memorised at the previous stage, and the value of "capacitor current" signal is memorised as produced at the current stage of transformation. The mismatch signal 6 is increased K_T times, and its finite-different summation is carried out. The "capacitor current" signal is exposed to frequency correction, and summed up with a mismatch signal is sent to an inlet of a pulse-width modulator.

EFFECT: higher quality of output voltage of a pulse DC voltage stabiliser with a power circuit of step-up type.

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