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In this paper, the placement and sizing of Distributed Generators (DG) in distribution networks are determined using optimization. The objective is to minimize the loss and to improve the reliability at lowest cost. The constraints are the bus voltage, feeder current and the reactive power flowing back to the source side. The placement and size of DGs are optimized using a combination of Discrete...
This paper describes the operation of a microgrid that contains a custom power park (CPP). The park may contain an unbalanced and/or nonlinear load and the microgrid may contain many distributed generators (DGs). One of the DGs in the microgrid is used as a compensator to achieve load compensation. A new method is proposed for current reference generation for load compensation, which takes into account...
In this paper, a new power sharing control method for a microgrid with several distributed generation units is proposed. The presence of both inertial and non-inertial sources with different power ratings, maximum power point tracking, and various types of loads pose a great challenge for the power sharing and system stability. The conventional droop control method is modified to achieve the desired...
This paper describes control methods for proper load sharing between parallel converters connected to microgrid in a distributed generation system. The system stability is investigated during load sharing for safe operation and proper control. The dynamic response of the system is compared under different load conditions. Both inertia-less and inertial loads are considered in grid connected and islanded...
In this paper, a generalized converter based on the cascaded H-bridge converter topology has been proposed to be used for the grid interface applications. This includes application of grid compensation and distributed generation interface to the grid. Basic H-bridge modules can be used to build a suitable three-phase voltage source converter (VSC) topology for any medium voltage distribution system...
This paper discusses the use of trajectory sensitivity analysis (TSA) in distributed generation (DG) systems. It is shown that the method can be helpful in the determination of influence of parameters such as line reactance, clearing times, exciter gain and mechanical power input on the transient stability of the system. This may be used to find the critical parameter values and also to locate DGs...
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