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首页> 外文会议>2015 First Workshop on Smart Grid and Renewable Energy >Model predictive control of grid-tied photovoltaic systems: Maximum power point tracking and decoupled power control
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Model predictive control of grid-tied photovoltaic systems: Maximum power point tracking and decoupled power control

机译：并网光伏系统的模型预测控制：最大功率点跟踪和解耦功率控制

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This paper presents maximum power point tracking (MPPT) and decoupled power control for single phase grid-tied photovoltaic (PV) systems. Model predictive control (MPC) technique is used to extract the maximum power from the PV array and feed it to grid. The stochastic behavior of solar energy necessitates MPPT of PV system to operate at maximum power point and make the system economical. Power control of grid-tied inverters are commonly based on synchronous reference frame transformation, this methodology requires the phase angle information by phase-looked loop (PLL). In this paper MPC technique is used for decoupled active and reactive power control of the single phase grid-tied inverter. The proposed technique does not need PLL, modulation module and synchronization transform, which makes the control algorithm simple for digital implementation. Comparing the developed technique to the conventional perturb & observe (P&O) method indicates significant improvement in PV system performance. The simulation result is validated by implementing the control algorithm experimentally using dSPACE 1007.
机译：本文介绍了单相并网光伏（PV）系统的最大功率点跟踪（MPPT）和解耦功率控制。模型预测控制（MPC）技术用于从光伏阵列中提取最大功率并将其馈送到电网。太阳能的随机性使光伏系统的MPPT必须以最大功率运行，并使系统经济。并网逆变器的功率控制通常基于同步参考帧变换，这种方法需要通过相环（PLL）获得相角信息。本文将MPC技术用于单相并网逆变器的有功和无功解耦控制。所提出的技术不需要PLL，调制模块和同步变换，这使得控制算法易于数字实现。将开发的技术与常规的扰动和观察（P＆O）方法进行比较表明，光伏系统的性能有了显着改善。通过使用dSPACE 1007实验性地实现控制算法，可以验证仿真结果。

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