FIELD: electrical engineering. SUBSTANCE: power supply is designed to feed resistive, inductive, or capacitive load using trains of pointed peaky pulses whose length is minimum 1 ms. Pointed peaky pulses have constant amplitude and same polarity. Ratio of pulse voltage to rated value higher than 1.7 is maintained all the time. EFFECT: enhanced efficiency without damage to load or reduction of its service life. 22 cl, 9 dwg
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