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Superconducting magnetic energy storage system with an improved nonlinear control approach for pulsed power applications
International Transactions on Electrical Energy Systems ( IF 1.9 ) Pub Date : 2020-05-26 , DOI: 10.1002/2050-7038.12464
Trilochan Penthia 1 , Anup Kumar Panda 2 , Pratap Ranjan Mohanty 3 , Nishant Patnaik 4
Affiliation  

The electrical grid with pulsed power loads (PPLs) is of the significant interest in aerospace and marine applications. In this work, a Superconducting Magnetic Energy Storage (SMES)‐based Power Conditioning System (PCS) is proposed to compensate the pulsating load, and mitigates the adverse consequences of the load. A uniform source current and power with minimum variations is maintained irrespective of the PPL. A detrimental high rating stress on the system due to the load is substantially reduced by the proposed system. Particularly, this paper presents a nonlinear control approach based on Dynamic Evolution Control (DEC) for tight error regulation of the controlling parameters (three‐phase compensating currents and DC‐link voltage). The control scheme is implemented in both the inverter and DC‐DC converter of the PCS for an efficient energy exchange between the SMES coil and the grid. Moreover, a comparative performance of the control scheme is examined under two different modes of operation, that is, Shunt Active Power Filter (SAPF) and SMES‐based PCS mode. The proposed system is validated in MATLAB/Simulink and real‐timed SPACE1104 environment.

中文翻译:

具有改进的非线性控制方法的超导磁储能系统,用于脉冲功率应用

具有脉冲功率负载(PPL)的电网在航空航天和海洋应用中引起了极大的兴趣。在这项工作中,提出了一种基于超导磁能存储(SMES)的功率调节系统(PCS),以补偿脉动负载,并减轻负载的不利影响。与PPL无关,均以最小的变化保持均匀的电源电流和功率。所提出的系统大大降低了由于负载而对系统造成的有害高额定应力。特别是,本文提出了一种基于动态演化控制(DEC)的非线性控制方法,用于严格控制参数的调节误差(三相补偿电流直流母线电压))。在PCS的逆变器和DC-DC转换器中都实施了控制方案,以在SMES线圈和电网之间进行有效的能量交换。此外,在两种不同的操作模式下,即并联有源功率滤波器(SAPF)和基于SMES的PCS模式下,研究了控制方案的比较性能。该系统在MATLAB / Simulink和实时SPACE1104环境中得到了验证。
更新日期:2020-05-26
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