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首页> 外文会议>2013 8th International Conference-Workshop Compatibility and Power Electronics >A control structure for a photovoltaic supply system with power compensation characteristics suitable for smart grid topologies
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A control structure for a photovoltaic supply system with power compensation characteristics suitable for smart grid topologies

机译：具有适合智能电网拓扑的功率补偿特性的光伏供应系统的控制结构

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摘要

A system controller for a three-phase grid-connected inverter for photovoltaic applications is presented. The active and reactive currents will both be controlled in order to realize active power supply and reactive power compensation. The three-phase inverter will be controlled by a fast and robust sliding mode controller. The active and reactive current references will be calculated in order to maximize the electrical energy produced by PV arrays and at the same time as a reactive power compensator. For the calculation of these references the maximum apparent power of the three-phase inverter is also considered. When the PV system is not working at full power the three-phase inverter can also be working as reactive power compensator. The grid injected reactive power is limited by the maximum apparent power of the inverter. This allows integrating this system into a smart-grid. Numerical simulations obtained in the Simulink environment are presented in order to validate the proposed system.
机译：提出了一种用于光伏应用的三相并网逆变器的系统控制器。为了实现有功电源和无功功率补偿，将同时控制有功和无功电流。三相逆变器将由快速而强大的滑模控制器控制。将计算有功和无功电流参考值，以使PV阵列产生的电能最大化，并同时作为无功功率补偿器。为了计算这些参考，还考虑了三相逆变器的最大视在功率。当光伏系统没有全功率工作时，三相逆变器也可以作为无功功率补偿器。电网注入的无功功率受逆变器的最大视在功率限制。这允许将该系统集成到智能电网中。提出了在Simulink环境中获得的数值模拟，以验证所提出的系统。

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