METHOD AND DEVICE FOR LOAD POWER SUPPLY FROM ELECTROCHEMICAL CURRENT SOURCES Russian patent published in 2017 - IPC H01M10/44 

FIELD: electricity.

SUBSTANCE: adjusting the voltage on the load is carried out in that in the device consisting of sections with the same electrochemical current sources, the voltage of the electrochemical current sources of each section is measured, the sections with the highest charging voltage of the electrochemical current sources that together provide the required voltage on the load are selected, the selected sections of the power supply source are turned on (switched off) in a certain sequence with a delay (advance) in time with respect to the previously turned-on (switched-off) section. In addition, for smoothing the pulsation of the actual voltage and adjusting the actual voltage on the load in the range from zero to the maximum value equal to the sum of the charge voltages of the electrochemical current sources of all sections, pulse modulation is performed with an adjustable duty cycle of the voltage of the electrochemical current source in at least one section. The voltage balancing of the electrochemical sources of the sections consists in reducing the voltage difference of the charge of the electrochemical current sources of the sections. This is achieved by choosing the selected sections with a lower voltage of the source charge for the load discharge to sections with electrochemical current sources with the highest charge voltage and shortening the discharge time, as well as the pulse modulation of the voltage of the sections with a lower charge voltage. The device implementing the method consists of M series-connected sections, containing the series-connected electrochemical current source and the switchboard, connected to the common control circuit. Each section is shunted by a valve connected counter to the source of the shunted section.

EFFECT: possibility to adjust the voltage on the load and to balance the voltage of sections with electrochemical current sources when discharging the latter to the load.

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