基于ISOGI-Q的单级并网SPV系统控制算法

2016 IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics Engineering (UPCON) Pub Date : 1900-01-01 DOI:10.1109/UPCON.2016.7894705

Bhim Singh, Priyank Shah, Ikhlaq Hussain

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引用次数: 17

摘要

采用改进的二阶广义积分器正交信号发生器(ISOGI-QSG)控制算法，对与三相电网并网的单级太阳能光伏(SPV)阵列进行控制，以改善电网的电能质量。采用增量电导法实现了最大功率跟踪。增量电导MPPT方法可以有效地从SPV阵列中提取最大功率，并调节直流链路电压。基于ISOGI-QSG的控制算法具有鲁棒性，在负载均衡、噪声消除和功率因数校正(PFC)方面非常有效地提高了电能质量。基于SPV的系统具有D-STATCOM功能，有助于向电网和负载提供有功功率。在所提出的系统拓扑结构上对控制算法进行了验证，得到的响应令人满意，源电流的总谐波失真(THD)在标准限值内。

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ISOGI-Q based control algorithm for single stage grid tied SPV system

This paper deals with a single stage solar photovoltaic (SPV) array tied with a three phase grid by using an improved second order generalized integrator quadrature signal generator (ISOGI-QSG) based control algorithm to improve power quality of the grid. The maximum point power tracking (MPPT) is achieved by using an incremental conductance method. The incremental conductance MPPT method is effective to extract maximum power from a SPV array as well as to regulate the DC link voltage. ISOGI-QSG based control algorithm is robust and enhances the power quality in terms of load balancing, noise elimination and power factor correction (PFC) very effectively. Having D-STATCOM capabilities of SPV based system is useful to supply the active power to grid as well as to loads. The control algorithm is verified on proposed system topology and obtained responses are found satisfactory and total harmonic distortion (THD) of source currents within standard limit.

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来源期刊

2016 IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics Engineering (UPCON)

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