Application of LCLC Resonant Converters for Space Travelling-wave Tube Amplifiers
ZHAO Bin①② WANG Gang② WANG Donglei② CHEN Yu② BI Lei②
①(Space Travelling-wave Tube Research Center, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China) ②(University of Chinese Academy of Sciences, Beijing 100049, China)
The application of LCLC resonant converters for space Travelling-Wave Tube Amplifiers (TWTAs) is investigated in this paper. Based on the working principles under Zero Current Switching (ZCS) and Zero Voltage Switching (ZVS), the equivalent circuit of each mode is derived. In addition, the parameters in each mode are also calculated. In order to validate the effectiveness of the analysis, PSIM simulations are carried out and the results are in accordance with the calculated results. Finally, an LCLC resonant converter with 20 V input, 4600 V output, switching frequency 200 kHz, 280 W output power, 93.38% efficiency is designed. Both the simulation results and the experimental results validate the effectiveness of the analysis.
赵斌,王刚,王东蕾,陈宇,毕磊. 空间行波管用LCLC谐振变换器的研究[J]. 电子与信息学报, 2017, 39(2): 482-488.
ZHAO Bin, WANG Gang, WANG Donglei, CHEN Yu, BI Lei. Application of LCLC Resonant Converters for Space Travelling-wave Tube Amplifiers. JEIT, 2017, 39(2): 482-488.
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.
HU Xin, WANG Gang, WANG Zicheng, et al. Improvement of TWT nonlinearity with a field effect transistor predistortion circuit[J]. Journal of Electronics & Information Technology, 2011, 33(4): 951-955. doi: 10.3724/SP.J.1146. 2010.00789.
[3]
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.
YANG Fuhua, SU Xiaobao, and ZHANG Wanjun. Design and simulation on high efficiency in pre-regulation stage of EPC used in spaceborne TWTA[J]. Journal of Electronics & Information Technology, 2007, 29(10): 2537-2540.
LIU Hongmin, ZHANG Rui, and YIN Hejun. Analysis and design on disturbance depression in EPC Used in spaceborne TWTA[J]. Journal of Electronics & Information Technology, 2004, 26(2): 303-306.
[6]
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.
[7]
YANG W A and XIAO D M. Prototype design for a high- voltage high-frequency rectifier transformer for high power use[J]. IET Power Electronics, 2011, 4(6): 615-623. doi: 10.1049/iet-pel.2009.0284.
[8]
MAO S, POPOVIC J, RAMABHADRAN R, et al. Comparative study of half-bridge LCC and LLC resonant DC-DC converters for ultra-wide output power range applications[C]. Power Electronics and Applications (EPE,15 ECCE-Europe), Switzerland, 2015: 151-154. doi: 10.1109/ EPE.2015.7311786.
[9]
LI W, LUO Q, MEI Y, et al. Flying-Capacitor-Based hybrid LLC converters with input voltage autobalance ability for high Voltage applications[J]. IEEE Transactions on Power Electronics, 2016, 31(3): 1908-1920. doi: 10.1109/TPEL.2015. 2434839.
[10]
KIM D K, YEON C O, KIM J H, et al. LLC resonant converter with high voltage gain using auxiliary LC resonant circuit[C]. Power Electronics and ECCE Asia (ICPE-ECCE Asia), Korea, 2015: 1505-1512. doi: 10.1109/ICPE.2015. 7167978.
[11]
LOEF C, DONCKER R W D, and ACKERMANN B. On high frequency high voltage generators with planar transformers[C]. Applied Power Electronics Conference and Exposition (APEC), Fort Worth, USA, 2014: 1936-1940. doi: 10.1109/ APEC.2014.6803571.
[12]
ZHANG J, Hurley W G, WOLFLE W H, et al. Optimized design of LLC resonant converters incorporating planar magnetics[C]. Applied Power Electronics Conference and Exposition (APEC), California, USA, 2013: 1683-1688. doi: 10.1109/APEC.2013.6520523.
[13]
AHN SuoHo, RYOO Hongje, GONG Jiwoong, et al. Low- ripple and high-precision high-voltage DC power supply for pulsed power applications[J]. IEEE Transactions on Plasma Science, 2014, 42(10): 3023-3033. doi: 10.1109/TPS.2014. 2333813.
[14]
NAKAKOHARA Y, OTAKE H, EVANS T M, et al. Three- phase LLC series resonant DC/DC converter using SiC MOSFETs to realize high-voltage and high-frequency operation[J]. IEEE Transactions on Industrial Electronics, 2016, 63(4): 2103-2110. doi: 10.1109/TIE.2015.2499721.
[15]
NAM I, DOUGAL R, and SANTI E. Optimal design method for series LCLC resonant converter based on analytical solutions for voltage gain resonant peaks[C]. Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE, California, USA, 2013: 1429- 1437. doi: 10.1109/APEC.2013.6520486.
[16]
QU Xiaohui, WONG Siuchung, and TSE C K. An improved LCLC current-source-output multistring LED driver with capacitive current balancing[J]. IEEE Transactions on Power Electronics, 2015, 30(10): 5783-5791. doi: 10.1109/TPEL. 2014.2377244.
[17]
CHEN Yang, WANG Hongliang, HU Zhiyuan, et al. LCLC resonant converter for hold up mode operation [C]. Energy Conversion Congress and Exposition (ECCE), Montreal, Canada, 2015: 556-562. doi: 10.1109/ECCE.2015.7309738.