考虑电动机起动的舰船直流区域配电系统预防控制方法

doi:10.19595/j.cnki.1000-6753.tces.170278

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摘要根据舰船综合电力系统（IPS）采用直流区域配电的新特点,针对电动机起动带来的逆变器过载问题,在电动机安全起动的前提下,以最小化开关操作代价为目标,分别建立负荷一次转供模型和负荷二次转供模型。然后,通过比较不同工况下直流区域配电系统（DC-ZEDS）的负荷量与负荷转供最大供电能力（TSC）模型给出的安全边界之间的大小关系,同时,考虑负荷优先级的不同,给出了DC-ZEDS的重载询问流程。最后,针对不同工况下的负荷分布情况,提出相应的预防控制策略,解决了因电动机起动可能造成的逆变器过载问题,并最大限度地避免了切负荷操作。

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	肖晗
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关键词 ：直流区域配电, 电动机起动, 负荷转供模型, 重载询问, 预防控制

Abstract：According to the new characteristics of DC zonal electric distribution in the vessel integrated power system (IPS) and aiming at the problem of overload of the inverter due to motor start-up, a primary load transfer model and a secondary load transfer model were respectively established with a safe motor start-up as the prerequisite and the minimum switching loss as the goal. Then, the amount of load in the DC zonal electric distribution system (DC-ZEDS) under different operating conditions was compared with the safe boundary given by the total supply capability (TSC) model for load transfer. On this basis, a heavy-load inquiry process was offered according to different load priorities. Finally, for the load distribution under different working conditions, corresponding preventive control strategies were proposed, which can deal with the inverter overload due to motor start-up and avoid load-shedding operation to the uttermost.

Key words： DC zonal electric distribution motor start-up load transfer model heavy-load inquiry preventive control

收稿日期: 2017-03-15 出版日期: 2018-01-31

PACS:

TM734

作者简介: 肖晗, 女,1989年生,博士研究生,研究方向为电力系统安全运行。E-mail: xiaohan19890823@126.com（通信作者）;叶志浩, 男,1975年生,博士,研究员,研究方向为电力系统保护与安全运行。E-mail: yxyx928@126.com

引用本文:

肖晗, 叶志浩, 纪锋, 陈起磊, 颜清松. 考虑电动机起动的舰船直流区域配电系统预防控制方法[J]. 电工技术学报, 2018, 33(2): 413-422. Xiao Han, Ye Zhihao, Ji Feng, Chen Qilei, Yan Qingsong. Preventive Control Method of Vessel DC Zonal Electric Distribution System during Motor Start-up. Transactions of China Electrotechnical Society, 2018, 33(2): 413-422.

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