Fig. 1. Entire schematic of the proposed 2-stage high voltage capacitor charger.
Fig. 2. Circuits of the proposed three phase high voltage capacitor charger (a) Original circuit diagram, (b) Modified circuit diagram for the design.
Fig. 3. Simulation results of the proposed 9 kJ/s three phase high voltage capacitor charger.
Fig. 4. Switching loss variation simulation results with snubber capacitances.
Fig. 6. Proposed first charging part experimental waveforms with resistor load.
Fig. 7. Resonant charging experimental waveforms (a) Saturation occur of the used reactor, (b) Saturation does not occur of the used reactor.
Fig. 5. Simulation results of the proposed second charging part.
TABLE I SPECIFICATIONS OF THE 9 kJ/s 2-STAGE HIGH VOLTAGE CAPACITOR CHARGER
TABLE II DESIGN PARAMETERS OF THE 9 kJ/s THREE PHASE HIGH VOLTAGE CAPACITOR CHARGER
References
- S. Ichimasa, "Threat of cascading "Permanent Blackout" effects and high altitude electromagnetic pulse (HEMP)," NIDS Journal of Defense and Security, No. 17, pp. 1-18, Dec. 2016.
- C. Wilson, High Altitude Electromagnetic Pulse (HEMP) and High Power Microwave (HPM) Devices: Threat Assessments, Washington D.C.: Library of Congress. Congressional Research Service, pp. 1-19, 2008.
- R. Hoad and W. A. Radasky, “Progress in high-altitude electromagnetic pulse (HEMP) standardization,” IEEE Transactions on Electromagnetic Compatibility, Vol. 55, No. 3, pp. 532-538, Jun. 2013. https://doi.org/10.1109/TEMC.2012.2234753
- B. Sahu and G. A. Rincon-Mora, “A low voltage, dynamic, noninverting, synchronous buck-boost converter for portable applications,” IEEE Transactions on Power Electronics, Vol. 19, No. 2, pp. 443-452, Mar. 2004. https://doi.org/10.1109/TPEL.2003.823196
- A. Maity, A. Patra, N. Yamamura, and J. Knight, "Design of a 20 MHz DC-DC buck converter with 84% efficiency for portable applications," 24th Annual Conference on VLSI Design, pp. 316-321, Jan. 2011.
- W. Liou, M. Yeh, and Y. L. Kuo, “A high efficiency dual-mode buck converter IC for portable applications,” IEEE Transactions on Power Electronics, Vol. 23, No. 2, pp. 667-677, Mar. 2008. https://doi.org/10.1109/TPEL.2007.915047
- N. M. L. Tan, T. Abe, and H. Akagi, “Design and performance of a bidirectional isolated DC-DC converter for a battery energy storage system,” IEEE Transactions on Power Electronics, Vol. 27, No. 3, pp. 1237-1248, Mar. 2012. https://doi.org/10.1109/TPEL.2011.2108317
- N. N. L. Do, A. J. Taberner, and B. P. Ruddy, "Design of a portable pulsed power system for needle-free jet injection," IEEE Energy Conversion Congress and Exposition (ECCE), pp. 6633-6640, Sep. 2018.
- M. S. Almardy, and A. K. S. Bhat, “Three-phase (LC)(L)-type series-resonant converter with capacitive output filter,” IEEE Trans. Power Electr., Vol. 26, No. 4, pp. 1172-1183, 2011. https://doi.org/10.1109/TPEL.2010.2076365
- A. K. S. Bhat and R. L. Zheng, “Analysis and design of a three-phase LCC-type resonant converter,” IEEE Trans. Aerospace and Electr. System, Vol. 34, No. 2, pp. 508-519, 1998. https://doi.org/10.1109/7.670332
- A. K. S. Bhat and R. L. Zheng, “A three-phase series-parallel resonant converter-analysis, design, simulation, and experimental results,” IEEE Trans. Ind. Appl., Vol. 32, No. 4, pp. 951-960, 1996. https://doi.org/10.1109/28.511654
- S. R. Jang, C. H. Yu, and H. J. Ryoo, “Trapezoidal approximation of LCC resonant converter and design of a multistage capacitor charger for a solid-state marx modulator,” IEEE Trans. Power Elect., Vol. 33, No. 5, pp. 3816-3825, 2018. https://doi.org/10.1109/TPEL.2017.2716975