Real-time control of a smart distribution grid with renewable energy based generators requires accurate state estimates, that are typically on measurements aggregated from meters. However, the amount data/measurements increases scale physical grid, posing significant stress both communication infrastructure as well data processing centers. This paper first investigates effect geographical footprint distributed generation (DG) voltage states system. We demonstrate strong coupling in power...

Energy crisis is the most important issue in today's world. Conventional energy resources are not only limited but also prime culprit for environmental pollution. Renewable getting priorities whole world to lessen dependency on conventional resources. Solar rapidly gaining focus as an means of expanding renewable uses. cells those convert sun's into electrical costly and inefficient. Different mechanisms applied increase efficiency solar cell reduce cost. tracking system appropriate...

Large-scale integration of rooftop solar power generation is transforming traditionally passive distribution systems into active ones. High penetration such devices creates new dynamics for which the current are inadequate. The changing paradigm system requires it to be operated as cyber-physical system. A goal-based holonic multiagent (HMAS) presented in this paper achieve objective. This provides details on design HMAS operation systems. Various operating modes and associated goals...

ABSTRACT Most transmission system operators (TSOs) currently use seasonally steady‐state models considering limiting weather conditions that serve as reference to compute the capacity of overhead power lines. The dynamic line rating (DLR) can avoid construction new lines, market splitting, false congestions, and degradation lines in a cost‐effective way. DLR also be used long run grid extension planning. In short run, it should help operate systems with congested operation is planned have...

Wired and wireless communications both play an important role in the blend of technologies necessary to enable future smart grid communications. Hybrid networks exploit independent mediums extend network coverage improve performance. However, whereas individual have been applied simulation networks, as far we know there is only limited attention that has paid development a suite hybrid communication models for system design. are needed capture mixed IP address mechanisms one simulation. To...

This paper will describe a proposed framework for expressing the resilience of hydropower generation and provide initial case studies three classes hydropower, run-of-river with reservoirs, pumped storage hydropower. Hydropower has great flexibility to support during after natural man-made events that can disrupt critical infrastructure functionality. The concept provides consideration policy rules, constraints water shed other allocations water, plant capabilities produce real reactive...

A novel agent based static state estimation strategy for a specific class of physical systems is proposed. Physical systems, (e.g. smart distribution grid) which are well modeled using decentralized measurements and distributed state-space formulations considered. In such sensor nodes acting as agents estimate only subset states, instead evaluating local estimates global states. general, each agent, the measurement model reduces to an underdetermined nonlinear system in many cases, elements...

The rapid growth of distributed energy resources (DERs) has prompted increasing interest in the monitoring and control DERs through hybrid smart grid communications. This paper develops a new method to investigate impact DER penetrations applications on communications network designs. A suite simulation models are developed using Network Simulator 3 (ns-3). topologies with different built utility-scale distribution grid. results show that (i) photovoltaic penetrations, nine designs achieve...

Evolving power systems with increasing renewables penetration, along the development of smart grid, calls for improved communication networks to support these distributed generation sources. Automatic and optimal placement resources within advanced metering infrastructure is critical provide a high-performing, reliable, resilient system. Three network design formulations based on mixed-integer linear non-linear programming approaches are proposed minimise congestion by optimising residual...

In this paper, an agent based control formulation of a large-scale cyber-physical system is proposed. Each can partially observe part the global dynamical process and estimate associated local states through combination traditional Kalman filtering algorithm consensus. The estimates are then used for state feedback control. optimal gain individual agents obtained dynamically solving moving horizon linear quadratic optimization problem. also exchange information among neighbors to coordinate...

Some run-of-river (ROR) hydropower plants use a horizontal bulb-style Kaplan turbine. This turbine and the corresponding governor are not represented well in standard high-fidelity power-system modeling platforms. paper presents characterization, development, of associated hydrogovernor equipment two platforms: Simulink from MathWorks, Inc., RSCAD RTDS Technologies, Inc. The developed models enable accurate assessment response unit to changes electrical loading water conditions. resulting...

Timing of generation is becoming more and valuable. This creates greater potential tension between environmental power system objectives since both systems require their own flow patterns. Identifying win–win outcomes in this context requires being able to discuss the value flexibility across stakeholder groups. research proposes a two-stage optimization method understand hydropower meet requirements. The tool simulates two-settlement market process U.S. by maximizing revenues from day-ahead...

A fast and scalable heuristic transmission switching (TS) algorithm for boosting resilience by reducing the load shed in electricity networks impacted extreme weather events (EWEs) is presented. Finding best line to switch within a suitable time main challenge wider applicability of TS. Here, we propose an that: i) finds optimal TS candidate faster than well-known algorithms; ii) compatible with existing power flow formulations; iii) scales larger, realistic systems. Proof-of-concept results...

Real-time control of a smart grid with renewable energy based generations requires accurate state estimates, that is typically on measurements aggregated from meters. However, the amount data/measurements increases scale physical grid, posing significant stress both communication infrastructure as well data processing centers. This paper first investigates effect geographical footprint distributed generation (DG) voltage states distribution system. We demonstrate strong coupling power system...

We consider a distributed agent based state estimation problem where each has local underdetermined observation space and is interested in subset of states. At particular time instant, predicts its makes intermediate correction on measurements. Information about the corrected elements are then exchanged among neighboring (i.e., agents who share at least one element) agents. Based final processing information, an optimally weighted Kalman consensus Filter formed light well-established theory...

Widespread deployment of a proof-of-concept technological solution for power system performance improvement can be accelerated through onsite demonstration and pilot projects. Digital real-time simulation with hardware-in-the-loop in controlled lab environment is the precursor to de-risk timely efficient execution field However, detailed process development, characterization, calibration such high fidelity testbed needs documented reproducible publicly accessible manner leverage across...

We present a computationally improved heuristic algorithm for transmission switching (TS) to recover load shed. Research from the past showed that changing power system topology may control flows and remove line congestion. Hence, TS reduce required One of main challenges is find potential candidate in suitable time. Here, we propose novel method capable finding faster than existing algorithms literature. The proposed compatible with both AC DC optimal (OPF). Three metrics are used compare...

The deregulation of the power system and incorporation generation from renewable energy sources recessitates faster state estimation in smart grid. Distributed (DSE) has become a promising scalable solution to this urgent demand. In paper, we investigate regionalization algorithms for system, necessary step before distributed can be performed. To best authors' knowledge, is first investigation on automatic (AR). We propose three spectral clustering based AR algorithms. Simulations show that...

A computationally improved algorithm is presented to find the best transmission switching (TS) candidate for boosting resilience of electricity grids subject (N-2) contingencies. Here, computed as reduction in load shed after above-mentioned (N- 2 ) TS a planned line outage, and past research shows that changing system's topology changes power flow removes post contingency violations. Finding suitable time effectively challenge. The found using novel heuristic method by decreasing search...

Providing frequency response, especially fast response such as Red D in the Pennsylvania-New Jersey-Maryland Interconnection (PJM) market, is challenging for many generation plants to deliver on their own. If they have adequate flexibility, hydropower are typically able provide slower regulation support (e.g., Reg A PJM), but do not respond enough D. The ability would improve revenue because this service more valuable. This work presents a control approach use hydropower, battery, and...