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Evaluation of reactive power compensation on voltage stability and NTC values in the Swedish transmission network

机译：评估瑞典输电网络中无功功率补偿对电压稳定性和NTC值的影响

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In this paper, the voltage stability of the Swedish grid is studied by a twofold approach. Firstly, the loads within Sweden are increased and the effect on the voltage of the tie-line buses is examined. Secondly, the exchanging of power between the two neighboring countries, Denmark and Finland, is taken into account. The main objective of this paper is to show that different reactive power compensation scenarios within the Swedish network and also in the vicinity of the tie-lines will improve the voltage stability of the whole system and also will increase the maximum power transfer on the tie-lines. With the method of this paper, we will be able to suggest the best places where the reactive power compensation can improve the voltage stability. Finally, an optimization problem for installing reactive power compensation from economic point of view is formulated. The CIGRÉ Nordic 32-A model has been used as test system and all the simulations have been done in PSS/E and Matpower.
机译：本文采用双重方法研究了瑞典电网的电压稳定性。首先，增加了瑞典境内的负荷，并研究了对联络线母线电压的影响。其次，要考虑到两个邻国丹麦和芬兰之间的权力交换。本文的主要目的是表明瑞典电网内以及联络线附近的不同无功补偿方案将改善整个系统的电压稳定性，并增加联络线上的最大功率传输。线。使用本文的方法，我们将能够建议无功功率补偿可以改善电压稳定性的最佳位置。最后，从经济角度出发，提出了安装无功补偿的优化问题。 CIGRÉNordic 32-A模型已用作测试系统，并且所有仿真均已在PSS / E和Matpower中完成。

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