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首页> 外文期刊>Renewable Power Generation, IET >Performance analysis of proportional resonant and ADALINE-based solar photovoltaic-integrated unified active power filter
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Performance analysis of proportional resonant and ADALINE-based solar photovoltaic-integrated unified active power filter

机译：比例谐振和基于ADALINE的太阳能光伏集成式统一有源电力滤波器的性能分析

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摘要

In this work, a novel control of single-phase solar photovoltaic (PV) fed unified active power filter (PV-UAPF) is proposed for use in low-voltage distribution system. The shunt voltage source converter (VSC) of PV-UAPF mitigates current power quality issues such as current harmonics, reactive current etc. while the series VSC of PV-UAPF protects the sensitive load against point of common coupling (PCC) voltage disturbances. The shunt VSC control is based on extraction of fundamental load active current using recursive least squares with a variable forgetting factor. The proposed method improves the dynamic response of the system without sacrificing the steady-state performance. The series VSC is controlled using a proportional-resonant controller and it injects voltage in/out phase with PCC voltage during voltage sags/swells, respectively. The PV array which is integrated at the DC link of the PV-UAPF through a reverse blocking diode, provides the load power demand and also supplies remaining power into PCC. The system performance is evaluated using Matlab-Simulink software and is then experimentally verified on a prototype developed in the laboratory under steady-state and dynamic conditions such as irradiation variation, PCC voltage fluctuations and load disturbances to validate the performance of the system.
机译：在这项工作中，提出了一种用于低压配电系统的新型单相太阳能光伏（PV）馈电统一有源电力滤波器（PV-UAPF）控制。 PV-UAPF的并联电压源转换器（VSC）减轻了电流电能质量问题，例如电流谐波，无功电流等，而PV-UAPF的串联VSC保护敏感负载免受公共耦合（PCC）电压干扰的影响。并联VSC控制基于使用具有可变遗忘因子的递归最小二乘提取基本负载有功电流。所提出的方法在不牺牲稳态性能的情况下改善了系统的动态响应。 VSC系列通过比例谐振控制器进行控制，并且在电压骤降/骤升期间分别以PCC电压注入/输出电压。通过反向阻断二极管集成在PV-UAPF的DC链路上的PV阵列提供了负载功率需求，还向PCC提供了剩余功率。使用Matlab-Simulink软件评估系统性能，然后在稳态和动态条件下（如辐射变化，PCC电压波动和负载干扰）在实验室开发的原型上进行实验验证，以验证系统的性能。

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