PERSPECTIVE EXPLORING THE BACTERICIDAL INDUCTION LAMPS
Keywords:
Electrodless Lamp, Low energy consumption, high frequency electrical potential, non-resonant method of exciting, circuit of impact excitation, bactericidal lamps, frequency changes, exciting reliability, ignition reliability.Abstract
The article is exploring the prospects of using electrodeless bactericidal induction lamps in wide range of lightened environments.
The most perspective lamps are the ones with induction digits of transformer type, based on principle of electromagnetic induction in the gas digit of low pressure with forms reserved branches of the second winding of transformer, related to the branches of primary winding with the help of magnetic circuit. It enables using wide range of working frequencies from 50 to 200 KHz, which is the most suitable due to reduction of losses of power on transformation by ignition-control system (ICS), increasing of its CCD, and also facilitation of solving problems related to decreasing of electromagnetic and radio interferences, that generated by primary winding of typical ICS to the levels defined by European regulations EN55015. To that purpose to the output of ISC’s invertor authors attach primary winding of broadband transformer, which second winding is the bit interval of lamp, and another primary winding together with own capacity makes a contour of shock ignition. This contour is supplied by rectangular impulses of working tension from the ICS’s invertor rectangular impulses, that front and back fronts are makes sock attenuation that are supplied to ignition winding of the ICS’s transformer.
To make reliable ignition of electrodeless lamps and make it independent from tension and frequency variation, non-resonant method of exciting has been developed by using frequency significantly higher than normal.
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