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Grid forming Battery Energy Storage System (BESS) for a highly unbalanced hybrid mini-grid

机译:用于高度不平衡的混合微型电网的网格形成电池储能系统(BESS)

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摘要

Diesel hybrid autonomous power systems present good potential for remote communities. Fuel consumption and emissions can be reduced by the use of Renewable Energy Sources (RESs) such as photovoltaic (PV) and wind. With a Battery Energy Storage System (BESS), power generation and consumption can be decoupled allowing further reductions in fuel consumption. An interesting scenario is when the diesel genset can be shut down and the load is supplied by the RESs and BESS. In this case, the latter has to form the grid, regulating voltage and frequency, what can be very challenging under highly unbalanced loads and single-phase RESs. This paper discusses the use of per-phase dq control in a grid forming BESS that provides good dynamic and steady-state response. Experimental results on a laboratory test bench of a BESS interface providing regulated balanced voltages under various demanding load conditions are presented. (C) 2015 Elsevier B.V. All rights reserved.
机译:柴油混合动力电力系统为偏远社区提供了良好的潜力。通过使用诸如光伏(PV)和风能之类的可再生能源(RES),可以减少燃料消耗和排放。借助电池储能系统(BESS),可以将发电和能耗分离,从而进一步降低燃油消耗。一个有趣的情况是,可以关闭柴油发电机组,并由RES和BESS提供负载。在这种情况下,后者必须形成电网,调节电压和频率,这在高度不平衡的负载和单相RES的情况下是非常具有挑战性的。本文讨论了在形成良好动态和稳态响应的BESS网格中每相dq控制的使用。给出了在各种要求的负载条件下提供稳定平衡电压的BESS接口的实验室测试台上的实验结果。 (C)2015 Elsevier B.V.保留所有权利。

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