FIELD: electrical engineering. SUBSTANCE: gear to supply power and to feed gaseous-discharge lamps has network filter, rectifier, three controlled keys, two-winding choke with intermediate tap, three capacitors, two diodes, three resistors and control circuit which are used to generate high-voltage pulse of initiating voltage. After initiation lamp first is heated by pulsating current and when it is heated - by alternating current with stabilization of power. EFFECT: increased functional reliability and stability. 1 dwg
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