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Adaptive power sharing in multi‐voltage multi‐frequency intertied hybrid power system
International Transactions on Electrical Energy Systems ( IF 2.3 ) Pub Date : 2020-05-19 , DOI: 10.1002/2050-7038.12467
Preeti Gupta 1 , Pankaj Swarnkar 1
Affiliation  

Intertied hybrid power system comprises of multi‐frequency, multi‐voltage individual hybrid power system (HPS). The benefit of intertied HPS includes reduced reserve capacity, improved voltage and frequency regulation, and flexibility in operating voltage and frequency. These benefits can be attained by a suitably designed power management scheme. There are many methods available to manage the power in stand‐alone intertied HPS, out of them conventional droop control is simple and popular method, although it has limitations in terms of overlooking system capacity and deviation of voltage and frequency with sudden impact of loads. This necessitates an adaptive power sharing method which should cope with the coordinated deviation in voltage and frequency. Therefore, an adaptive coordinated combined AC‐DC droop control for intertied HPS is proposed in this work. In proposed control scheme, a correction factor with respect to system capacity and critical load capacity is integrated to achieve coordinated deviation in voltage and frequency which conquer the limitations of conventional method.

中文翻译:

多电压多频交错混合电力系统中的自适应功率共享

交错式混合动力系统由多频,多电压单个混合动力系统(HPS)组成。交错式HPS的好处包括减少的备用容量,改进的电压和频率调节以及工作电压和频率的灵活性。这些好处可以通过适当设计的电源管理方案来实现。在独立的交错式HPS中,有许多方法可用于管理电源,其中传统的下垂控制是一种简单且流行的方法,尽管它在忽略系统容量以及负载突然影响的电压和频率偏差方面存在局限性。这就需要一种自适应功率共享方法,该方法应能应对电压和频率的协调偏差。因此,在这项工作中,提出了一种适用于交错式HPS的自适应协调式组合AC-DC下垂控制。在提出的控制方案中,集成了有关系统容量和临界负载容量的校正因子,以实现电压和频率的协调偏差,从而克服了传统方法的局限性。
更新日期:2020-05-19
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