DEVICE FOR INCREASING EFFICIENCY OF USING SOLAR BATTERIES ELECTRICITY WITH DC ELECTRIC DRIVES Russian patent published in 2018 - IPC H02P7/00 H02P3/08 

FIELD: electrical equipment.

SUBSTANCE: in the device for increasing the efficiency of using electricity from solar batteries by direct current drives containing solar cells, power take-off regulator, DC motor of independent or parallel excitation and centrifugal pump as a working mechanism, additional resistors R_H are introduced into the circuit of independent or parallel motor winding_, resistance values of which are set automatically by the power take-off regulator consumed from solar panels, depending on the current value of the intensity of solar radiation R_H=f_I(Ie) where R_H – the resistance value of the resistor, f_I(Ie) is a function of the magnitude of the intensity of solar radiation, so that the P_MAX-P_l→0 condition is met with a daily change in the intensity of Ie solar radiation. Similarly, for a series excitation motor, additional resistors R_P are connected in parallel with the series excitation winding, resistance values of which are set automatically by the power take-off regulator depending on the current value of the intensity of solar radiation R_P=f₂(Ie), where R_P – the resistance value of the resistor connected in parallel to the series excitation winding, f₂(Ie) is a function of the magnitude of the intensity of solar radiation, so that the condition P_MAX-P_l→0 is met with a daily change in the intensity of le solar radiation.

EFFECT: improving the reliability and simplifying the design scheme of electric drives.

1 cl, 2 dwg