The most of threelead domestic pulse ignition devices (PID) do not provide parameters of highvoltage pulses determined by the lamp operation manuals. New circuit solutions are presented, which meet the requirements to HP sodium lamps used in street illumination and greenhouse irradiation. It is proposed to separate two functions of the threelead PID pulse transformers: generation of highvoltage pulses and transmission of the lamp full current. To generate highvoltage pulses, transformers with a big turn number of thin wire should be used. And to transmit lamp full current, highfrequency throttles with a low resistance should be applied. A version of calculating parameters of a high­frequency throttle and oscillograms of pulses generated by the PID are given. 1. Klykov Mikhail E. and Agafonova Tatyana A. LED drivers and Discharge lamps control gears: present state and future development// Light & Engineering, @017, V25, #4, pp.32–40.
2. Reference book on lighting engineering / Edited by Yu.B. Ayzenberg.The 3rd revised edition, Moscow: Znak, 2006, 972 p.
3. Rajat Mandal, Santosh Upadhyay, Saswati Mazumdar, Asit Kumar Sur, Chetan M. Sankhla, and Susanta Bhaumik “ Igniter Issues with High Intensity Discharge Llighting Applications”// Light & Engineering, 2012, V. 20, #4, pp. 90–96.
4. Reference book on lighting engineering / Editerd by Yu.B. Ayzenberg, Moscow: Energoatomizdat,1983, 472 p.
5. Mayorov M. I, Mayorov A.M. A ballast with pulse ignition device / Patent #167448 of the RF, 2017.
6. Mayorov M. I, Mayorov A.M., Goryunov V.A. A device for ignition of gasdischarge lamps/ Patent #103436 of the RF, 2011.
7. Mayorov M. I, Mayorov A.M., Goryunov V.A. A device for ignition of gasdischarge lamps/ Patent #2567739 of the RF, 2015.
8. Mayzenberg S.I., Polyakov A.G. An airfield searchlight / Patent of the USSR #739307, 1980.

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• discharge lamp
• pulse ignition device
• highvoltage pulse