mvdc电网混合储能系统

2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe) Pub Date : 2020-09-01 DOI:10.23919/EPE20ECCEEurope43536.2020.9215622

Florian Mahr, J. Jaeger, Stefan Henninger, H. Rubenbauer

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引用次数: 0

摘要

提出了一种集成不同储能设备的混合储能系统(HESS)。通过这种方式，具有互补物理特性的es器件可以用于中压直流(MVDC)电网。各种可再生能源技术的聚合和集成是可再生能源MVDC配电网运行的必要条件。最先进的es设备通过多个电力电子变换器级和大型变压器连接到交流电网。考虑到MVDC微电网的独立运行，聚集低压es设备的中间接口至关重要。提出的HESS拓扑为es设备的直接集成提供了可扩展性和消耗性，并避免了损耗的AC/DC转换阶段。此外，在mvdc电网内部的安装位置也有很大的灵活性。

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Hybrid Energy Storage System for MVDC-Grids

A hybrid energy storage system (HESS) to integrate different energy storage (ES) devices is presented. In this way, ES-devices with complementary physical properties can be used in medium-voltage direct current (MVDC) grids. The aggregation and integration of different ES-technologies is indispensable for operating MVDC distribution grids based on renewable energy sources (RES). State-of-the-art ES-devices are interfaced to alternating current (AC) grids by multiple power electronic converter stages and bulky transformers. Considering the independent operation of MVDC microgrids, an intermediate interface, that aggregates low voltage (LV) ES-devices, is crucial. The proposed HESS topology offers scalability and expendability for the direct integration of ES-devices and avoids lossy AC/DC conversion stages. Besides, great flexibility concerning the installation location inside the MVDC-grid is provided.

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来源期刊

2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)

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