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首页> 外文期刊>Energy Policy >Balancing responsibilities: Effects of growth of variable renewable energy, storage, and undue grid interaction
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Balancing responsibilities: Effects of growth of variable renewable energy, storage, and undue grid interaction

机译：平衡职责：可变可再生能源，储存和过度电网互动的增长的影响

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Electrical energy storage is often proposed as a solution for the mismatch between supply patterns of variable renewable electricity sources and electricity demand patterns. However, effectiveness and usefulness of storage may vary under different circumstances. This study provides an abstract perspective on the merits of electrical energy storage integrated with decentralized supply systems consisting of solar PV and wind power in a mesolevel, residential sector context. We used a balancing model to couple demand and supply patterns based on Dutch weather data and assess the resultant loads given various scenarios. Our model results highlight differences in storage effectiveness for solar PV and wind power, and strong diminishing-returns effects. Small storage capacities can be functional in reducing surpluses in overdimensioned supply systems and shortages in under-dimensioned supply systems. However, full elimination of imbalance requires substantial storage capacities. The overall potential of storage to mitigate imbalance of variable renewable energy is limited. Integration of storage in local supply systems may have self-sufficiency and cost-effectiveness benefits for prosumers but may have additional peak load disadvantages for grid operators. Adequate policy measures beyond current curtailment strategies are required to ensure proper distribution of benefits and responsibilities associated with variable renewable energy and storage.
机译：通常提出电能存储作为可变可再生电源和电力需求模式的供应模式之间不匹配的解决方案。然而，储存的有效性和有用性可能在不同的情况下变化。本研究提供了一种抽象的典范，即集成的电能存储器的优点，其包括由Mesolevel，住宅行业环境中的太阳能光伏和风力发电。我们使用平衡模型来基于荷兰天气数据的耦合需求和供应模式，并评估给定各种场景的所得到的负载。我们的模型结果突出了太阳能光伏和风电的储存效能差异，效果强劲递减。在减少过度升高的供应系统中的剩余和低于尺寸供应系统中的短缺中，小存储容量可以是功能性的。然而，完全消除不平衡需要大量的存储容量。减轻可变可再生能源失衡的储存总体潜力是有限的。存储在本地供应系统中的存储可能具有自给自足和成本效益的吸取，但对于电网运营商可能具有额外的峰值负荷缺点。需要超越当前缩减策略的充分的政策措施，以确保适当分配与可变可再生能源和储存相关的福利和责任。

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