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Enel Distribuzione projects for renewable energy sources integration in distribution grid

机译：Enel Distribuzione项目，将可再生能源整合到配电网中

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摘要

The integration of the dispersed generation, based on constantly increasing renewable energy sources, is one of the biggest challenges of the modern distribution system operator. Enel Distribuzione, that operate the 85% of the Italian distribution grid with 33 million customers, connected more than 25 GW of dispersed generations, mainly based on renewable energy sources, in Italy up to 2013; these numbers are most impressive taking into account that the consumption peak for medium voltage and low voltage distribution networks was 40 GW during the 2007 (the period before the economical crisis and with very small dispersed generation connected). The original design of Enel Distribuzione networks is radial and does not consider interconnection of any generation with significant size. In a radial feeder, the power flows unidirectionally from a single source to the loads. The penetration of dispersed generation into the feeder can cause a flow reversal This flow reversal violates the concept of "radial design" and has a significant impact on the operation of the feeder and, in particular, on the protection systems and on the voltage regulation. In this scenery, Enel Distribuzione implemented and is implementing several large area demonstrations to test innovative smart grid technologies, in particular for dispersed generation integration. In this paper, two of these projects are presented focusing on the innovative solutions for voltage regulation and dispersed generation dispatching.
机译：基于不断增长的可再生能源，分散发电的整合是现代配电系统运营商面临的最大挑战之一。截至2013年，Enel Distribuzione在意大利配电网中占85％的份额，拥有3,300万客户，连接了超过25 GW的分散发电（主要基于可再生能源）的分散发电；考虑到2007年（经济危机之前的时期，并且分散的发电量很小），中压和低压配电网络的能耗峰值为40 GW，因此这些数字最为可观。 Enel Distribuzione网络的原始设计是放射状的，不考虑任何具有较大规模的互连。在径向馈线中，功率从单个电源单向流向负载。分散的发电渗透到馈线中会引起逆流。这种逆流违反了“径向设计”的概念，对馈线的运行，特别是对保护系统和电压调节有重大影响。在这种情况下，Enel Distribuzione实施并且正在实施多个大范围的演示，以测试创新的智能电网技术，尤其是用于分散式发电集成的技术。在本文中，将介绍其中的两个项目，重点关注电压调节和分散发电调度的创新解决方案。

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