平面變壓器在空間行波管中的應(yīng)用
doi: 10.11999/JEIT160911
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2.
(中國科學院電子學研究所空間行波管研究發(fā)展中心 北京 100190) ②(中國科學院大學 北京 100039)
Application of Planar Transformers for Space Travelling-wave Tube Amplifiers
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2.
(Space Travelling-wave Tube Research Center, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
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摘要: 平面變壓器具有小體積、高功率密度以及熱特性好的特點,在低壓領(lǐng)域得到了廣泛應(yīng)用。該文研究了將平面變壓器應(yīng)用于行波管電源中,從而達到減小電源體積,提高電源功率密度的目的。結(jié)合行波管電源常用的LCLC諧振拓撲,采用部分交錯繞組結(jié)構(gòu)設(shè)計了一種平面變壓器,并進行了電路仿真和實際測試,仿真結(jié)果與實測結(jié)果一致。采用該平面變壓器的LCLC諧振變換器,輸入電壓為40 V,輸出電壓為4800 V,輸出功率為295 W,開關(guān)頻率為500 kHz。仿真結(jié)果與實驗結(jié)果均表明,采用平面變壓器,可以提高開關(guān)頻率,縮小電源體積,提高功率密度,從而降低整個行波管放大器的體積和重量。
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關(guān)鍵詞:
- 空間行波管放大器 /
- LCLC諧振變換器 /
- 平面變壓器 /
- 開關(guān)頻率
Abstract: Planar transformers are widely used in low-voltage applications because of the advantages of low profile, high power density and excellent thermal characteristics. This paper applies the planar transformer for power supplies to Travelling-Wave Tube Amplifiers (TWTAs). Based on the LCLC topology, which is always used in TWTAs, a planar transformer with an interleaved structure is designed. In addition, the experimental results are in accordance with the simulation results. The input voltage of the converter is 40 V, the output voltage is 4800 V, the output power is 295 W and the switching frequency is 500 kHz. Conclusions can be drawn that with the planar transformers, the switching frequency can be increased and the volume of the power supplies can be reduced. -
胡銀富, 馮進軍. 用于雷達的新型真空電子器件[J]. 雷達學報, 2016, 5(4): 350-360. doi: 10.12000/JR16078. HU Yinfu and FENG Jinjun. New vacuum electronic devices for radar[J]. Journal of Radars, 2016, 5(4): 350-360. doi: 10. 12000/JR16078. ZUBORAJ M, NAHAR N K, and VOLAKIS J L. An S-band high power traveling wave tube for RADAR application[C]. Radio Science Meeting (Joint with AP-S Symposium), Memphis, USA, 2014, 81-81. doi: 10.1109/USNC-URSI.2014. 6955463. LIU Yawei and SU Xiao-bao. High power and efficiency power combining of space TWTAs with waveguide magic-T for satellite communication[C]. Vacuum Electronics Conference (IVEC), Beijing, 2015: 1-2. doi: 10.1109/IVEC. 2015.7223941. 劉潔, 胡波雄, 王剛, 等. 一種適用于Ku波段行波管放大器的預(yù)失真線性化器[J]. 電子與信息學報, 2014, 36(10): 2515-2520. doi: 10.3724/SP.J.1146.2013.01820. LIU Jie, HU Boxiong, WANG Gang, et al. A predistortion linearizer for Ku-band traveling-wave tube amplifier[J]. Journal of Electronics Information Technology, 2014, 36(10): 2515-2520. doi: 10.3724/SP.J.1146.2013.01820. LIU Jie, ZHANG Huadong, and LI Zengliang. A novel two-branch predistortion linearizer of Ku-band TWTA in communication applications[C]. IET International Radar Conference, Hangzhou, China, 2015: 1-8. doi: 10.1049/cp. 2015.1172. BLANES J M, GARRIGOS A, GUTIERREZ R, et al. Evaluation of gallium nitride transistors in electronic power conditioners for TWTAs[C]. IEEE Aerospace Conference, MT USA, 2015: 1-8. doi: 10.1109/AERO.2015.7119140. PEQUET E, DEPORTE P, FAYT P, et al. ESA qualified EPC for telecommunication satellites TWTA[C]. Vacuum Electronics Conference, Monterey CA, 2000: 1-2. doi: 10.1109 /OVE:EC.2000.847524. BARBI I and GULES R. Isolated DC-DC converters with high-output voltage for TWTA telecommunication satellite applications[J]. IEEE Transactions on Power Electronics, 2003, 18(4): 975-984. doi: 10.1109/TPEL.2003.813762. OUYANG Z and ANDERSON M A E. Overview of planar magnetic technologyfundamental properties[J]. IEEE Transactions on Power Electronics, 2014, 29(9): 4888-4900. doi: 10.1109/TPEL.2013.2283263. OUYANG Z, ZHANG Z, THOMSEN O C, et al. Planar- Integrated Magnetics (PIM) module in hybrid bidirectional DC-DC converter for fuel cell application[J]. IEEE Transactions on Power Electronics, 2011, 26(11): 3254-3264. doi: 10.1109/TPEL.2011.2129598. ZHANG J, HURLEY W G, and WOLFLE W H. Optimized design of LLC resonant converters incorporating planar magnetics[C]. Applied Power Electronics Conference and Exposition, Long Beach, CA, USA, 2013: 1683-1688. doi: 10.1109/APEC.2013.6520523. ZHAO Bin, WANG Gang, HURLEYW G, et al. An interleaved structure for a high-voltage planar transformer for a travelling-wave tube[C]. International Power Electronics and Motion Control Conference, Hefei, 2016: 3695-3701. doi: 10.1109/IPEMC.2016.7512887. HABIBINIA D and FEYZI M R. Optimal winding design of a pulse transformer considering parasitic capacitance effect to reach best rise time and overshoot[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2014, 21(3): 1350-1359. doi: 10.1109/TDEI.2014.6832283. FU Dianbo, WANG S, KONG Pengju, et al. Novel techniques to suppress the common-mode EMI noise caused by transformer parasitic capacitances in DC-DC converters[J]. IEEE Transactions on Industrial Electronics, 2013, 60(11): 4968-4977. doi: 10.1109/TIE.2012.2224071. BIELA J and KOLAR J W. Using transformer parasitics for resonant convertersA review of the calculation of the stray capacitance of transformers[J]. IEEE Transactions on Industry Applications, 2008, 44(1): 223-233. doi: 10.1109/ TIA.2007.912722. OUYANG Z, ZHANG J, and HURLEY W G. Calculation of leakage inductance for high-frequency transformers[J]. IEEE Transactions on Power Electronics, 2015, 30(10): 5769-5775. doi: 10.1109/TPEL.2014.2382175. ZHANG J, OUYANG Z, DUFFY M, et al. Leakage inductance calculation for planar transformers with a magnetic shunt[J]. IEEE Transactions on Industry Application, 2014, 50(6): 4107-4112. doi: 10.1109/TIA.2014. 2322140. BAHMANI M A and THIRINGER T. Accurate evaluation of leakage inductance in high-frequency transformers using an improved frequency-dependent expression[J]. IEEE Transactions on Power Electronics, 2015, 30(10): 5738-5745. doi: 10.1109/TPEL.2014.2371057. -
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