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Dual-mode control of utility interactive microgrid

机译：实用程序交互式微电网的双模控制

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This article presents dual-mode control of a single-stage utility interactive microgrid based on a photovoltaic array and battery energy storage with improved power quality. For protection reasons, grid tied solar inverters are mandatory to shut down at loss of the grid. However, proposed multitasking microgrid is developed to provide energy to critical loads, even at disappearance of grid. The microgrid is integrated the BES and a PV array at DC link of voltage source converter of it to provide the harvested energy to local loads. In islanding, the amplitude and waveform of load voltages are maintained sinusoidal by the voltage controller. The transfer of modes (islanded to grid connected and vice-versa) is implemented using the synchronisation controller as per the accessibility of the grid. The instantaneous characteristic-based adaptive filter is utilised to control the microgrid in the grid-integrated mode. Moreover, a PV feed-forward term is incorporated in current control for injection of active power to the utility as well as to improve the dynamic response of microgrid. The phase detection controller estimates phase, frequency of utility and load voltages accurately and capability of disturbance rejection is improved. The effectiveness of PV-BES-based microgrid is validated experimentally.
机译：本文介绍了基于光伏阵列和电池储能的单级实用程序交互式微电网的双模控制，具有改善的电能质量。出于保护原因，网格绑定太阳能逆变器是强制性的，以关闭网格的损失。然而，即使在网格的消失，建议的拟议多任务微电网是为临界负载提供能量。微电网在电压源转换器的直流链路中集成了BES和PV阵列，以向局部负载提供收获的能量。在岛屿中，通过电压控制器保持负载电压的幅度和波形。根据网格的可访问性，使用同步控制器实现模式的转移（岛屿化到网格连接和反之亦然）。基于瞬时特征的自适应滤波器用于控制网格集成模式中的微电网。此外，PV前馈期被掺入电流控制中，用于注入实用性的有源电力以及改善微电网的动态响应。相位检测控制器估计阶段，公用事业的频率和载荷电压精确，并且改善了干扰抑制的能力。基于PV-BES的微电网的有效性实验验证。

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