Development of dynamic phasor based higher index model for performance enhancement of dual active bridge

Development of dynamic phasor based higher index model for performance enhancement of dual active bridge
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开发基于动态相量的高指数模型以增强双有源电桥的性能

DOI:
10.1016/j.epsr.2018.10.023
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发表时间:
2019
影响因子:
3.9
通讯作者:
Singh, N.M.
Singh, N.M.
中科院分区:
工程技术3区
文献类型:
--
作者:
Monika, M.;Rane, M.;Wagh, S.;Stanković, A.M.;Singh, N.M.

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微电网中可再生能源的集成与控制需要高效的计算模型和有效的开关变流器控制方法。双有源电桥(DAB)作为微电网的重要组成部分,存在稳定性问题。本文提出了基于动态相量(DP)的DAB高指标模型,并论证了模型的合理选择对性能的影响。为了从稳压、抑制测量噪声、正弦干扰和鲁棒性等性能目标来评估系统的稳定性,提出了一种基于环路整形技术的DAB DP模型鲁棒控制策略。将高指标模型的响应与现有的具有dc和指标1项的DP模型的响应进行比较,可以看出所提出模型的优点。利用Opal-RT和dSPACE仿真器进行了硬件在环(HIL)仿真,验证了所提出的控制方案。
Renewable energy integration and control in microgrid demands computationaly efficient model along with effective control methodology for switched converters. The dual active bridge (DAB) being an integral part of the microgrid suffers from the stability issues. This research proposes dynamic phasor (DP) based higher index model of DAB and demonstrates the effect of appropriate selection of model on performance. To evaluate the system stability for performance objectives of voltage regulation, suppression of measurement noise, sinusoidal disturbances and robustness, a robust control strategy based on loop shaping technique for DP model of DAB is proposed. Comparison of the responses of the higher index model with existing DP model with dc and index 1 terms makes apparent the benefits of the proposed model. The Hardware-in-Loop (HIL) simulation using Opal-RT and dSPACE simulators is carried out for validation of the proposed control scheme.
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