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Solar PV powered SRM driven water pumping system using Landsman converter

机译:使用Landsman转换器的太阳能光伏供电SRM驱动的水泵系统

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This work is primarily focused on the design and development of an efficient and cost effective solar photovoltaic generator (PVG) based water pumping system implying a switched reluctance motor (SRM) drive. The maximum extraction of available power from PVG is attained by introducing an incremental conductance (IC) maximum power point tracking (MPPT) controller with Landsman DC-DC converter as a power conditioning stage. The CCM (continuous conduction mode) operation of Landsman DC-DC converter helps to reduce the current and voltage stress on its components and to realize the DC-DC conversion ratio independent of the load. The efficient utilization of SPV array and limiting the high initial inrush current in the motor drive is the primary concern of a Landsman converter. The inclusion of start-up control algorithm in the motor drive system facilitates the smooth self-starting of an 8/6 SRM drive. A novel approach to regulate the speed of the motor-pump system by controlling the DC link voltage of split capacitors converter helps in eliminating the voltage or current sensors required for speed control of SRM drive. The electronic commutated operation of mid-point converter considerably reduces its switching losses. This topology is designed and modeled in Matlab/Simulink platform and a laboratory prototype is developed to validate its performance under varying environmental conditions.
机译:这项工作主要集中在基于高效且经济高效的太阳能光伏发电机(PVG)的水泵系统的设计和开发,暗示开关磁阻电机(SRM)驱动器。通过引入具有Landsman DC-DC转换器的增量电导(IC)最大功率点跟踪(MPPT)控制器作为功率调节级,通过引入PVG来实现来自PVG的可用电力的最大提取。 CCM(连续导通模式)的Landsman DC-DC转换器的操作有助于降低其组件上的电流和电压应力,并实现与负载无关的DC-DC转换率。 SPV阵列的有效利用率和限制电动机驱动器中的高初始浪涌电流是Landsman转换器的主要问题。在电动机驱动系统中包含启动控制算法有助于8/6 SRM驱动器的平滑自动启动。通过控制分离电容器转换器的DC链路电压来调节电动机泵系统速度的新方法有助于消除SRM驱动器速度控制所需的电压或电流传感器。中点转换器的电子通路操作显着降低了其开关损耗。该拓扑结构在Matlab / Simulink平台中设计和建模,开发了实验室原型,以验证其在不同的环境条件下的性能。

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