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With the increasing deployment of smart grid technologies, modern electric power systems are becoming more and more dependent on their cyber infrastructure. The unavailability of communication networks inevitably influences the reliability of power systems. Therefore, it is very important to study the malfunctions of cyber networks and their impact on power system reliability. In this paper, to illustrate...
This paper presents a new algorithm which employs morphological filter and instantaneous reactive power theory for phasor measurement. A preprocessor is proposed to removes the decaying DC component from the input signal with a delay of two samples. The effects of sampling rate, time constant, frequency shift, harmonics and fault inception angle on the performance of the proposed algorithm have been...
At present more number of renewable generation units are being integrated to power system at distribution level. With the increased energy penetration, reverse in conventional power flow direction and different type of integrated renewable energy, existing over current based distribution protection philosophies needs to be enhanced. This paper presents protection scheme for inverter interfaced distribution...
In this paper, we develop a framework to manage incentive payments for participants of residential DRM programs. We consider multi-tier participation plans, clearly elaborating the terms of engagement with the grid operator for individual devices and making it easier to quantify inconvenience experienced by participants and financial gains for the grid operator. Our proposed framework aims to optimize...
Co-simulation platform capable of accurately capturing the effects of power distribution network events as well as the communication network events is essential to develop realistic modeling and simulation of emerging smart grid scenarios. We present a new approach for co-simulation by addressing the issues of time and object synchronization between two different simulation environments, which are...
DC distribution network will be widely used in the future with more integration of distributed generation. However, development of DC distribution is hindered by lack of appropriate circuit protection technologies. Certain protection schemes are studied in this paper, and used to detect and isolate the fault on the distribution lines and bus-tie line. The instantaneous overcurrent protection and the...
In wide area monitoring and control application, a time delay is introduced in the system while transmitting the control signal from control center to remote terminal unit. This paper presents the effect of communication delay on load frequency regulation in autonomous hybrid power system. An autonomous hybrid power system consisting of conventional thermal power system (TPS) integrated to distributed...
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