INDEPENDENT ELECTRIC POWER SOURCE Russian patent published in 2019 - IPC H02M7/523 

FIELD: electric power engineering.

SUBSTANCE: invention relates to electric power industry, more specifically to autonomous power sources, and can be widely used in industry, in household appliances and especially in transport and is intended for use in autonomous power supply systems and in electric drives, promising aerospace aircrafts with mainly or fully electrified drive equipment. Source further comprises a unit for adjusting the resonant frequency of the series resonant circuit and a unit for controlling the operation of the autonomous source, and the primary power source is in form of an autonomous resonance generator, input of which is connected to output of feedback unit, and output with input winding of input transformer with possibility of formation by means of communication coil, capacitor and input winding of input transformer of series resonant circuit, wherein first and second inputs of control unit are connected to outputs of signal winding of resonance circuit of autonomous resonance generator, third and fourth inputs of control unit are connected to outputs of signal winding of input transformer, fifth and sixth inputs of control unit are connected to outputs of signal power input transformer, Wherein first output of control unit is connected to first input of primary energy source, second output of control unit is connected to input of control unit resonance frequency of the series resonant circuit formed by a communication coil, a capacitor and input winding of the input transformer, third output of control unit is connected to input of resonance frequency control unit of series resonant circuit between input and power transformers.

EFFECT: technical result of the proposed invention is expansion of the device functional capabilities during its implementation, namely increase in the amplification coefficient stability, stabilization of the amplification factor value when changing various factors, for example, load, temperature, resonance frequency shift, et cetera, due to input of resonance frequency automatic control system in each resonance power amplifier resonance power amplifier and primary energy source output voltage into known resonance amplifier.

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