高可靠性的宁波配电网“三双”接线分析与实践

Analysis and Practice for High Reliability Oriented Three-double Connection Mode of Ningbo Distribution Network

随着经济的发展,用户对供电可靠性提出了更高的要求,具有高可靠性的配电网接线模式也拥有了更大的应用空间。分析宁波老城区的电网现状,结合高可靠性配电网"三双"接线模式的主要特点,提出在宁波老城区配电自动化范围内实施"三双"接线全覆盖方案,并对供电可靠性水平进行了分析。

With the development of economy, users have higher requirement on reliability of power supply.Therefore, high reliability oriented connection mode of distribution networks can be better applied. The paper analyzes current situation of power grid in old quarter of Ningbo and puts forward the plan of implementing Three-double connection mode in the distribution automation range in old quarter of Ningbo in the light of main characters of Three-double connection of high-reliability distribution networks; furthermore, it analyzes level of power supply reliability.