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Saponin PH, akemisaponins E, saponin PJ1 and scheffoleoside A, the main bioactive triterpene saponins of Chinese traditional medicine Akebia trifoliata, contribute to its diuretic pharmacological activity. Because of interactions of the multiple ingredients in vivo, pharmacokinetic studies of multiple triterpenes after administration of A. trifoliata extract are essential to clarify their pharmacological...
Doubly-fed induction generators (DFIG) are widely used in the wind farms. Many papers focus on their behavior connecting to an infinite bus and the influence on the power system stability ignoring the grid side converters. In this paper, the dynamic simulation of doubly-fed induction generators on multi-machine power system is studied. With the decoupled active and reactive power control scheme, compensated...
One of the most important issues in the development and utilization of wind-based distribution generation is to quantify the impact of wind power on distribution system reliability. This paper proposes how to deal with wind generators connected to sub-feeders of distribution system in reliability evaluation by means of the network-equivalent approach. The random nature of wind power, which is quite...
Traditionally, voltage control capability of the SVCs is described by PV bus model with full capacity available. In this paper, based on the sensitivity model for var dispatch and voltage control for SVCs, contributing factors, e.g. the available control margin, slope, reference voltage, static voltage characteristic of the power system, are studied. The numerical results show that: 1) voltage control...
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