Abstract：In this paper,the immune algorithm is adopted to solve the quality of output current waveform and switching losses of multi-objective optimization problem inverter. The waveform quality plays a part of evaluation function of the output waveform. Similarly,switching losses is another evaluation function. Meanwhile,a picture of the relationship between the waveform quality and switching losses in the form of the Pareto front surface form an optimal Pareto optimal solution set in different inductive loads is plotted. The loss of the inverter estimation method which can be applied to any switching control strategy relies mainly on the following factors: data sheet providing the characteristic parameters of the devices,load current(collector current),switching gate signal and DC bus voltage. Finally,the experimental platform based on DSP+FPGA as the core control system is established and adequate experiments are carried out,which passed through the Holzer current sensor to collect the inverter output current signal,using the thermistor PT100 indirectly measure the switching loss of the inverter. Simulation and experimental data show that the method is feasible and effective.
[1] Loh P C,Li Ding,Chai Yikang,et al. Hybrid AC-DC microgrids with energy storages and progressive energy flow tuning[J]. IEEE Transactions on Power Electronics,2013,28(4): 1533-1543. [2] Pan C T,Cheng M C,Lai C M. A novel integrated DC/AC converter with high voltage gain capability for distributed energy resource systems[J]. IEEE Transactions on Power Electronics,2012,27(5): 2385-2395. [3] 倪喜军,赵剑锋,曹武,等. 开关损耗优化的级联型逆变器全区域空间矢量调制策略[J]. 电工技术学报,2012,27(4): 101-109. Ni Xijun,Zhao Jianfeng,Cao Wu,et al. Switching loss optimized svpwm algorithm for cascade multilevel inverters in all region[J]. Transactions of China Electrotechnical Society,2012,27(4): 101-109. [4] Zhao Z M,Zhong Y L,Gao H W,et al. Hybrid selective harmonic elimination PWM for common- mode voltage reduction in three-level neutral-point- clamped inverters for variable speed induction drives[J]. IEEE Transactions on Power Electronics,2012,27(3): 1152-1158. [5] Amini M R,Mahdavi M,Emrani A,et al. Soft switching bridgeless power factor correction with reduced conduction losses and no stresses[J]. IET Power Electronics,2012,5(3): 334-340. [6] 袁佳歆,陈柏超,贾嘉斌. 基于遗传算法的逆变器控制规律[J]. 电力系统自动化,2004,28(24): 32-35. Yuan Jiaxin,Chen Baichao,Jia Jiabin. Genetic algorithm based approach for inverter control[J]. Automation of Electric Power Systems,2004,18(24): 32-35. [7] Yuan J X,Pan J B,Fei W L,et al. An immune algorithm based space-vector PWM control strategy in a three-phase inverter[J]. IEEE Transactions on Industrial Electronics,2013,60(5): 2084-2093. [8] 冯士刚,艾芊. 带精英策略的快速非支配排序遗传算法在多目标无功优化中的应用[J]. 电工技术学报,2007,22(12): 146-151. Feng Shigang,Ai Qian. Application of fast and elitist non-dominated sorting generic algorithm in multi- objective reactive power optimization[J]. Transactions of China Electrotechnical Society,2007,22(12): 146-151. [9] 王一,程浩忠. 计及输电阻塞的帕累托最优多目标电网规划[J]. 中国电机工程学报,2008,28(13): 132-138. Wang Yi,Cheng Haozhong. Pareto optimality based multi-objective transmission planning considering transmission congestion[J]. Proceedings of the CSEE,2008,28(13): 132-138. [10] 洪峰,单任仲,王慧贞,等. 一种逆变器损耗分析与计算的新方法[J]. 中国电机工程学报,2008,28(15): 72-78. Hong Feng,Shan Renzhong,Wang Huizhen,et al. Analysis and calculation of inverter power loss[J]. Proceedings of the CSEE,2008,28(15): 72-78. [11] Swan I,Bryant A,Mawby P A,et al. A fast loss and temperature simulation method for power converters,part II: 3-D thermal model of power module[J]. IEEE Transactions on Power Electronics,2012,27(1): 285-288. [12] Bazzi A M,Krein P T,Kimball J W. IGBT and diode loss estimation under hysteresis switching[J]. IEEE Transactions on Power Electronics,2012,27(3): 1044-1048.
2014, Vol. 29 
