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Developing a test environment for smart grid forms an indispensable stage to the realization of the next generation of the electricity grid. The coupling of the physical power system and its associated communication network makes modern power grid a typical cyber-physical system. In this paper, a real-time power system was simulated in RTDS and the communication network in NS-3. This test bed includes...
This paper presents a framework for real-time contingency screening using a situational awareness oriented tool. While some contingencies might have a significant impact on power-system stability, the impact of others is negligible. The consequences of a contingency depend on network conditions. Therefore, fast and effective tools for rapid recognition of hazardous operating conditions from the stability...
This paper proposes a novel demand response (DR) mechanism based on real time electricity prices with the objective of cost reduction. The novelty of the proposed mechanism lies in the concept that electricity sub-prices are calculated based on the fraction of energy consumed by each unit/home. While, in traditional residential energy management programs, one DR signal applies to each associated unit...
An important goal of smart grid is to leverage modern digital communication infrastructure to help control power systems more effectively. As more and more Internet of Things (IoT) devices with measurement and/or control capability are designed and deployed for a more stable and efficient power system, the role of communication network has become more important. To evaluate the performance of control...
The proliferation of Distributed Generation (DG) in power systems calls for a redesign of electricity network management, which should be able to accommodate large amounts of intermittent generation. This issue requires a discussion about the current dispatching regulation, giving distributed storage systems and qualified electricity consumption the opportunity to provide ancillary services to the...
This white paper describes preliminary research on the use of progressive control strategies to improve the advanced electric power grid's resilience to major grid disturbances. The proposed approach calls to leverage real-time wide-area monitoring and control capabilities to provide globally coordinated distributed control actions under stressed conditions. To that end, the paper illustrates the...
The Indian electricity sector faces many problems in trying to reduce the ever increasing demand-supply gap. Energy losses in India’s transmission and distribution sector exceed 30%, which is one of the highest in the world. Upgrading outdated transmission and distribution systems coupled with the need to reduce electricity losses and theft is driving the deployment of Smart Grid technologies in India...
A smart grid test bed with 6.6kV experimental distribution network which includes mega-photovoltaic generation systems, rechargeable batteries and so on has been conducted. In order to demonstrate the system performance of smart grid with this test bed, a new simulation platform has been developed. The simulation platform consists of BTB (Back-To-Back), real-time power system simulator and interface...
A general forecasting concept for power systems is developed based on a detailed requirement analysis concerning a forecasting system for supply-dependent feed-in units within the present and future electrical grid. The fundamental idea is an agent-based system in which each single supply entity determines and communicates its own feed-in forecast. The contribution describes the proposed architecture...
This paper describes the development of a generic Danish distribution grid model for smart grid technology testing based on the Bornholm power system. The proposed approach uses a coherency based dynamic equivalent technique along with relation & participation factors, and is suitable for use with real time digital simulator (RTDS). In particular, the frequency dependent network equivalent (FDNE)...
This paper presents new tool for setting up and comprehensive close loop testing of protection, automation and control equipment (PACE). The role of this tool for Smart Grid (SG) design process is also described. Comprehensive close loop tests of PACE in power system (PS) various regimes with consideration of possible interactions between tested equipment and other automation are possible only with...
In recent years, important efforts to improve monitoring, protection and control of power systems have been explored. In this connection, several novel approaches for assessing vulnerability in real time have been developed. However, most of the work is commonly focused on tackling stability phenomena, while the possible overloads are often treated as negligible in real-time power system security...
The real-time execution of grid stability monitoring algorithms are critical to enabling a truly smart grid. However, the combination of a high sampling rate for grid monitoring devices, combined with a large number of devices scattered across a grid, result in very high throughput requirements for the execution of these algorithms. Here we define a centralized hardware and software infrastructure...
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