FIELD: electricity.
SUBSTANCE: low-frequency converter includes single-phase bridge voltage inverter, active inductance load and control system consisting of source of anti-phase clock pulses with frequency f, control element, control channels of power switches with shapers of control pulses, which are connected to control chains of the corresponding power switches of single-phase bridge voltage inverter and control element. Due to introduction to control system of generator of saw-tooth voltages with frequency 2f, two-way comparator unit, pulse distributor, limiter of maximum output voltage of control element, and in bridge inverter there are only two return diodes, and the effect is achieved with the help of their original connection diagram.
EFFECT: improving reliability.
2 cl, 4 dwg
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