CIRCUIT DETECTING OPEN STATUS OF EACH LAMP IN PARALLEL RUNNING TYPE FLOURSCENT LAMP INVERTER AND PARALLEL RUNNING TYPE FLOURSCENT LAMP INVERTER HAVING IT

摘要

A parallel driving fluorescent lamp inverter is provided to detect through comparing with standard voltage and accurately control a control signal for stable lamp. A plurality of lamps(500) is connected to output terminal of both transformuers(100) in parallel. A plurality of balance capacitors(200, 200a, 200b) are placed between the output terminal of transformer and plural lamps. A plurality of lamp open comparison detectors(300, 300a, 300b) is connected between plural balance capacitors which regulate the size of input power.