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Analytical Comparison of Static and Dynamic Reactive Power Compensation in Isolated Wind-Diesel System Using Dynamic Load Interaction Model

机译：基于动态载荷相互作用模型的隔离风柴油机系统静态和动态无功补偿的分析比较

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摘要

This article presents static and dynamic reactive power compensators together for a self-excited induction generator and synchronous generator based isolated hybrid power system. Reactive power is required for excitation of the induction machine and for load under steady-state and transient state operations in an isolated hybrid power system. For small perturbation of load reactive power and input wind power, the use of a dynamic compensator alone may give better voltage stability but at a high cost; in contrast, the static compensator reduces the cost on compromising with the voltage stability. The proper rating selection of both compensators used may give the optimum solution between the voltage stability as system performance and cost of compensation. The fixed costs and voltage profiles are compared for the different participations of the fixed capacitor bank and STATCOM. The interaction of the dynamic load model is also introduced to make the system more reliable and hence a new power balance equation is derived. A 10% step disturbance in the dynamic load model as well as wind power input is considered for the system study. Four different cases designed for unique participation of static and dynamic reactive power compensators are presented. The analytical comparison is based on cost, rating selection, and voltage stability under transient condition.
机译：本文介绍了用于自激感应发电机和同步发电机的基于隔离式混合动力系统的静态和动态无功补偿器。在隔离式混合动力系统中，无功功率用于感应电机的励磁以及稳态和瞬态操作下的负载。对于负载无功功率和输入风力功率的小扰动，单独使用动态补偿器可以提供更好的电压稳定性，但成本较高；相反，静态补偿器降低了牺牲电压稳定性的成本。所使用的两个补偿器的正确额定值选择可以在作为系统性能的电压稳定性和补偿成本之间提供最佳解决方案。比较了固定电容器组和STATCOM的不同参与情况下的固定成本和电压曲线。还引入了动态负载模型的交互作用，以使系统更可靠，从而得出了新的功率平衡方程。系统研究考虑了动态负载模型中的10％阶跃扰动以及风力输入。介绍了为静态和动态无功功率补偿器的独特参与而设计的四种不同情况。分析比较基于成本，额定值选择和瞬态条件下的电压稳定性。

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