A powerful help for electronic ballast designers! Summary This original, self-contained interactive design aid will help to calculate the basic parameters of a high frequency electronic ballast, where a switchmode square wave inverter supplies a HID lamp connected in series with an appropriate inductor. It includes special calculators (programmed in Javascript) which are backed by a fully and clearly explained theoretical descripition of ballast curves and related power control methods. Chapter 1, briefly describes a simple electronic characterization of HID lamps operating at high frequency. Chapter 2, connected through an appropriate inductor to a high frequency (f>20kHz) symmetrical square wave voltage source, the effective power of HID lamps is calculated. A special function is derived which can be considered as the basic function for the selection of ballast curves and related power control methods. Chapter 3, gives a full description of ballast curves based on a periodical, piecewise exponential, current wave forms. A distinguished family of ballast curves satisfying the "nominal condition" for new lamps is introduced. Selection of a ballast curve for a given lamp, based on the maximum allowed power, is also described. Chapter 4, based on the control of the amplitude/frequency of a high frequency square wave inverter, methods for power control between the minimum and maximum lamp voltage (lamp resistance) are introduced. Please see sample pages on the right >>> Provide this powerful tool for your engineers to save time and money for your company. How to buy If you would like to buy a copy of the "Ballast Curves and Power Control - Interactive Design Aid for Electric Engineers", please contact the author for details. Price: $1,950 USD The document is in Acrobat PDF format. Once you received your copy of the "Ballast Curves and Power Control - Interactive Design Aid for Electric Engineers", you will need the free Acrobat Reader 4 or higher from Adobe. Table of Content Page 12 Page 20 Page 26 Page 32 Home | Ballast Overview | Design Considerations | Energy Saving Factor | Design Aid | About | Contact
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