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Distribution networks are increasingly hosting embedded generators, most of them converting renewable energy primary sources. These units are usually interfaced with the main network by means of static power converters. Grid codes have recently introduced stabilizing functions to engage distributed plants in supporting the main system stability during network events and consequent voltage/frequency...
Renewable energy is becoming increasingly important to isolated power systems (IPS) as they seek to reduce their emissions and operational costs. Australian IPS typically supply energy to consumers using both renewable and diesel generation termed a hybrid IPS. As renewable penetration increases within a hybrid IPS, a potential conflict arises, with the diesel generators unable to lower their output...
The liberalization of the energy markets, combined with the drive towards a low-carbon economy, has led to the development of the concept of the smart grid. The smart grid is an energy distribution network that enables real-time information exchange for monitoring, control and protection of energy equipment as well as the physical transfer of energy. When smart grid control applications such as generator...
In this paper the method of prioritized queue processing MPQ (modified priority-based queuing) is investigated. This method allows fulfilling QoS requirements for packets of real-time flows that have sustained some particular degree of the delay en-route. In order to test this method, the test bed that consists of virtual routers and traffic generators has been developed. Running experiments on this...
Time delay has adverse effects on control systems in an electric power grid. This paper analyzes the cyber-attack related time delay issues, and deals with the minimization of negative effects of such delays in smart gird system. The prediction method has been used to minimize the negative effects of time delay. The OPRT (optimal reclosing time) method to reclose circuit breakers are considered. Time...
Minimizing the communication delay is one of the most important design considerations in System-on-a-Chip (SoC) design for mobile systems. In this paper, we present a bus interface design technique, called Efficient Bus Interface (EBI), to reduce the communication delay between the Intellectual Property (IP) core and the memory connected through AMBA3 AXI bus for mobile systems. Several mobile systems...
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