FIELD: various branches of industry; electrostatic cleaning of gases. SUBSTANCE: device has master oscillator, switching amplifier stage, inverter, voltage multiplier, low voltage supply unit, overload detector, interlock unit, breakdown detector, breakdown pulse control unit, master oscillator interlock unit, re-starting unit and light alarm signalling unit. Device provides automatic detection of choking of electrostatic filter by analyzing intensity of breakdown pulses. EFFECT: improved quality of gas cleaning. 1 dwg
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