1. System of self-excited low capacity transformer converter, comprising a separation transformer with more than one primary winding, cooperating with two transistors and a barrier diode, comprising resistors, capacitors and a power source, characterised in that the negative end of the power source (Uz) is attached to the input (2) of the first primary winding of the separation transformer (TRI), whose output (1) is led to the input of the second current control system (U1), to the emitter of the second transistor (T2) and through the third resistor (R3) to the base of that second transistor (T2) and to the emitter of the first transistor (T1), whose base is attached to the capacitor of the second transistor (T2), to the output of the current control system (U1) and through the first resistor (R1) and the first capacitor (C1) with the parallel first diode (D1) to the input of the first current control system (U1) and to the output (3) of the second primary winding of the separation transformer (TR1), the cathode of the first diode (D1) being attached to the first resistor (R1), and the input (4) of the second primary winding of the separation transformer (TR1) is connected with the output (1) of the first primary winding of that transformer, whereas the positive end of the power source (Uz) is attached to the capacitor of the first transistor (T1) and to its base through the second resistor (R2).IMAGE
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