|Table of Contents|

Influence of slip frequency on running performance of maglev vehicle(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2019年05期
Page:
64-73
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Influence of slip frequency on running performance of maglev vehicle
Author(s):
ZHANG Min;  FAN Yi-li;  MA Wei-hua;  LUO Shi-hui
(State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, Sichuan, China)
Keywords:
vehicle engineering;  middle-low speed maglev;  linear induction motor;  constant slip frequency control;  variable slip frequency control;  traction performance;  levitation performance
PACS:
U270.11
DOI:
-
Abstract:
The longitudinal and vertical components of air gap magnetic field of linear induction motor(LIM)were solved by the two-dimensional electromagnetic field theory, and the analytical expressions of traction force and normal force of LIM were obtained. The analytical calculation method was tested by using the test bench for LIM, and the variations of traction force and normal force with speed under the constant slip frequency range of 6-18 Hz were compared. The dynamics model of a single maglev vehicle with three levitation frames was built. The vibration responses of car body and levitation frame under the impact forces of 1, 3, 5 and 8 kN were simulated and compared. The traction performance of a single middle-low speed maglev vehicle was calculated, the influence of slip frequency on the traction performance of vehicle was analyzed. Considering the influence of normal force on the levitation system and the traction demand of vehicle comprehensively, the variable slip frequency control(VSFC)strategy was proposed. Research result shows that the traction characteristic of LIM generally contains the constant force zone(CFZ)and constant power zone(CPZ). The primary current in the CFZ reaches a maximum of 390 A, and the voltage in the CPZ reaches a maximum of 212 V. The traction force in the CFZ changes little, and decreases rapidly in the CPZ. The smaller the slip frequency is, the greater the starting traction force and normal force of the motor are, and the shorter the CFZ is. When the normal impact force is less than 8 kN, the vehicle stability index grades are all excellent. However, in order to reduce the load of levitation system, the normal force of LIM should be as small as possible. The traction performance of vehicle in the low speed zone under lower slip frequency is better than that under higher slip frequency, but the higher slip frequency is beneficial to improve the traction performance in the full speed range. In the VSFC strategy, the selection of starting slip frequency takes into account the traction performance and levitation ability of vehicle, and the slip frequency gradually increases after the speed reaches the turning point of constant power. Under the VSFC strategy, the traction force is moderate in the CFZ, and is always the maximum value that the motor can exert in the CPZ. 3 tabs, 16 figs, 30 refs.

References:

[1] LEE H W, KIM K C, LEE J. Review of maglev train
technologies[J]. IEEE Transactions on Magnetics, 2006, 42(7): 1917-1925.
[2] YAN Lu-guang. Progress of the maglev transportation in
China[J]. IEEE Transactions on Applied Superconductivity, 2006, 16(2): 1138-1141.
[3] BAZGHALEH A Z, NAGHASHAN M R, MESHKATODDINI M R. Optimum design of single-sided linear induction motors for improved motor performance[J]. IEEE Transactions on Magnetics, 2010, 46(11): 3939-3947.
[4] SHIRI A, SHOULAIE A. Design optimization and analysis of single-sided linear induction motor, considering all phenomena[J]. IEEE Transactions on Energy Conversion, 2012, 27(2): 516-525.
[5] NONAKA S, HIGUCHI T. Design of single-sided linear
induction motors for urban transit[J]. IEEE Transactions on Vehicular Technology, 1988, 37(3): 167-173.
[6] 宫金林,王秀和.基于多目标有效全局优化算法的直线感应电动机优化设计[J].电工技术学报,2015,30(24):32-37.
GONG Jin-lin, WANG Xiu-he. Optimal design of a linear induction motor using multi-objective efficient global optimization[J]. Transactions of China Electrotechnical Society, 2015, 30(24): 32-37.(in Chinese)
[7] ISFAHANI A H, EBRAHIMI B M, LESANI H. Design
optimization of a low-speed single-sided linear induction motor for improved efficiency and power factor[J]. IEEE Transactions on Magnetics, 2008, 44(2): 266-272.
[8] 吕 刚,曾迪晖,周 桐,等.初级横向偏移时直线感应电机磁场与推力的有限元分析[J].电机与控制学报,2016,20(4):64-68,77.
LYU Gang, ZENG Di-hui, ZHOU Tong, et al. Magnetic field and thrust analysis for linear induction motor with lateral displacement[J]. Electric Machines and Control, 2016, 20(4): 64-68, 77.(in Chinese)
[9] FAIZ J, JAFARI H. Accurate modeling of single-sided linear induction motor considers end effect and equivalent thickness[J]. IEEE Transactions on Magnetics, 2000, 36(5): 3785-3790.
[10] PAI R M, BOLDEA I, NASAR S A. A complete equivalent circuit of a linear induction motor with sheet secondary[J]. IEEE Transactions on Magnetics, 1988, 24(1): 639-654.
[11] 徐 伟,李耀华,孙广生,等.基于绕组函数法的大功率单边直线感应电机牵引特性研究[J].中国电机工程学报,2008,28(33):54-60.
XU Wei, LI Yao-hua, SUN Guang-sheng, et al. Tractive performance research of high power single linear induction motor based on winding function method[J]. Proceedings of the CSEE, 2008, 28(33): 54-60.(in Chinese)
[12] XU Wei, SUN Guang-yong, WEN Gui-lin, et al. Equivalent circuit derivation and performance analysis of a single-sided linear induction motor based on the winding function theory[J]. IEEE Transactions on Vehicular Technology, 2012, 61(4): 1515-1525.
[13] 徐 伟,李耀华,孙广生,等.短初级单边直线感应电机新型等效电路[J].中国电机工程学报,2009,29(9):80-86.
XU Wei, LI Yao-hua, SUN Guang-sheng, et al. New equivalent circuits of short primary single-sided linear induction motor[J]. Proceedings of the CSEE, 2009, 29(9): 80-86.(in Chinese)
[14] XU Wei, ZHU Jian-guo, GUO You-guang, et al. Equivalent circuits for single-sided linear induction motors[C]∥IEEE. 2009 IEEE Energy Conversion Congress and Exposition. New York: IEEE, 2009: 1288-1295.
[15] XU Wei, ZHU Jian-guo, ZHANG Yong-chang, et al. An
improved equivalent circuit model of a single-sided linear induction motor[J]. IEEE Transactions on Vehicular Technology, 2010, 59(5): 2277-2289.
[16] 卢琴芬,方攸同,叶云岳.大气隙直线感应电机的力特性分析[J].中国电机工程学报,2005,25(21):132-136.
LU Qin-fen, FANG You-tong, YE Yun-yue. A study on force characteristic of large airgap linear induction motor[J]. Proceedings of the CSEE, 2005, 25(21): 132-136.(in Chinese)
[17] 龙遐令.直线感应电动机等值电路的通用推导方法[J].电工技术学报,1993(4):55-60.
LONG Xia-ling. A general method driving the equivalent circuit of linear induction motor[J]. Transactions of China Electrotechnical Society, 1993(4): 55-60.(in Chinese)
[18] ADAMIAK K, ANANTHASIVAM K, DAWSON G E, et al. The causes and consequences of phase unbalance in single-sided linear induction motors[J]. IEEE Transactions on Magnetics, 1988, 24(6): 3223-3233.
[19] 张 敏,罗世辉,马卫华.接线相位差对直线电机牵引性能的影响[J].中国科学:技术科学,2019,62:1-10.
ZHANG Min, LUO Shi-hui, MA Wei-hua. Influence of connection phase difference on the traction performance of linear induction motor[J]. Scientia Sinica: Technologica, 2019, 62: 1-10.(in Chinese)
[20] 凌季平,高沁翔,郭文杰.直线感应电机模型分析与转差频率控制研究[J].机车电传动,2006(6):15-17,32.
LING Ji-ping, GAO Qin-xiang, GUO Wen-jie. Research on model analysis and slip frequency control of linear induction motor[J]. Electric Drive for Locomotives, 2006(6): 15-17, 32.(in Chinese)
[21] MUNOZ-GARCIA A, LIPO T A, NOVOTNY D W. A new induction motor V/f control method capable of high-performance regulation at low speeds[J]. IEEE Transactions on Industry Applications, 1998, 34(4): 813-821.
[22] CONSOLI A, SCARCELLA G, TESTA A. Slip-frequency detection for indirect field-oriented control drives[J]. IEEE Transactions on Industry Applications, 2004, 40(1): 194-201.
[23] SEO H, LIM J, CHOE G H, et al. Algorithm of linear
induction motor control for low normal force of magnetic levitation train propulsion system[J]. IEEE Transactions on Magnetics, 2018, 54(11): 1-4.
[24] 刘希军,张昆仑,陈 殷.单边直线感应电机最优滑差频率控制研究[J].系统仿真学报,2015,27(4):859-865.
LIU Xi-jun, ZHANG Kun-lun, CHEN Yin. Research on optimal slip frequency control of single-sided linear induction motor[J]. Journal of System Simulation, 2015, 27(4): 859-865.(in Chinese)
[25] 邓江明,陈特放,唐建湘,等.单边直线感应电机动态最大推力输出的滑差频率优化控制[J].中国电机工程学报,2013,33(12):123-130.
DENG Jiang-ming, CHEN Te-fang, TANG Jian-xiang, et al. Optimum slip frequency control of maglev single-sided linear induction motors to maximum dynamic thrust[J]. Proceedings of the CSEE, 2013, 33(12): 123-130.(in Chinese)
[26] 吕 刚,范 瑜,李国国,等.基于解耦策略的直线感应牵引电机法向力自适应最优控制[J].中国电机工程学报,2009,29(9):73-79.
LYU Gang, FAN Yu, LI Guo-guo, et al. Normal force adaptive optimal control for linear induction motor based on decoupling strategy[J]. Proceedings of the CSEE, 2009, 29(9): 73-79.(in Chinese)
[27] 张红梅,李 璐,吴 峻,等.直线感应电机的矢量控制建模与仿真[J].微特电机,2004,32(9):29-31,34.
ZHANG Hong-mei, LI Lu, WU Jun, et al. Modeling and simulation of vector control system for linear induction motor[J]. Small and Special Electrical Machines, 2004, 32(9): 29-31, 34.(in Chinese)
[28] 任晋旗,李耀华,王 珂.动态边端效应补偿的直线感应电机磁场定向控制[J].电工技术学报,2007,22(12):61-65.
REN Jin-qi, LI Yao-hua, WANG Ke. Indirect field oriented control of linear induction with end effect compensation[J]. Transactions of China Electrotechnical Society, 2007, 22(12): 61-65.(in Chinese)
[29] OVERBOOM T T, SMEETS J P C, JANSEN J W, et al. Decoupled control of thrust and normal force in a double-layer single-sided linear induction motor[J]. Mechatronics, 2013, 23(2): 213-221.
[30] 矫岩峻,文艳晖,刘少克.中低速磁浮列车上坡牵引策略优化[J].机车电传动,2016(2):37-39,43.
JIAO Yan-jun, WEN Yan-hui, LIU Shao-ke. Uphill traction strategy optimization of middle/low-speed maglev train[J]. Electric Drive for Locomotives, 2016(2): 37-39, 43.(in Chinese)

Memo

Memo:
-
Last Update: 2019-11-13