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Inverters and loads can freely connect to any node in a meshed parallel inverters system, leading to variations of line impedance between two nodes and the structure of the electric network. More challenges exist for proportional load-sharing control in such a system. An improved proportional load-sharing strategy for a meshed parallel inverters system with complex impedances is proposed in this paper...
Virtual synchronous generator (VSG) control strategy has received wide attention since it was proposed. In this article, the basis implementation of VSG, namely active and reactive power decoupling control, is discussed. Through analyzing the traditional power decoupling mechanism and its restriction in the medium and low voltage micro-grid, a new power decoupling scheme is proposed which combines...
Recently voltage source inverters have played an important role in stability of Microgrids (MGs). These inverters are controlled by droop control method. This method has several advantages such as using of local signals and satisfying steady state behavior of VSIs. But in transient, inverters have unbalanced power sharing and consequently circulating current flows between them. This current without...
Various DG technologies are being integrated into power systems as alternative energy sources to improve reliability. Voltage Source Inverters (VSIs) are used as the interfaces between the DGs and the network. These inverters are controlled based on conventional droop method. This method satisfies power sharing between the inverters in steady state. Besides, it enrolls as the frequency and voltage...
A new control scheme to improve in dynamic response of parallel inverters is proposed in this paper. The conventional droop method is a good choice for managing microgrid in a decentralized manner. The proposed control technique, based on the droop control method, uses current feedback signal and Power Angle of VSIs. This method is usually applied to achieve good active and reactive power sharing...
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