In this paper, we study cascading failures in power grids through the lens of information diffusion models. Similar to the spread of rumors or influence in an online social network, it has been observed that failures (outages) in a power grid can spread ...

Precise energy management in distribution power system requires high‐precision time synchronization among large‐scale deployed devices. Multiple clock sources‐based time synchronization possesses advantages of reliability, high precision, and ...

In this paper, we construct a multi‐clock source time synchronization model and formulate a problem to minimize the synchronization error and delay through jointly optimizing large‐timescale clock source selection and small‐timescale weight selection. A ...

Communication quality is a key factor affecting the effectiveness of distribution network operation status management. Therefore, it is required that the communication performance of the distribution network management system be good, and the ...

The research results of this paper can take measures in time before the permanent failure occurs, prevent catastrophic failure and greatly reduce the loss caused by the accident, which is of great significance to improve the safe operation of power ...

A recently proposed methodology for electromigration (EM) assessment in on-chip power/ground grid of integrated circuits has been validated by means of measurements, performed on dedicated test grids. IR drop degradation in the grid is used for defining ...

The application of graph neural networks (GNNs) to the domain of electrical power grids has high potential impact on smart grid monitoring. Even though there is a natural correspondence of power flow to message-passing in GNNs, their performance on ...

Modern interconnected power grids are a critical target of many kinds of cyber‐attacks, potentially affecting public safety and introducing significant economic damages. In such a scenario, more effective detection and early alerting tools are ...

Safe operation of the power grid requires a complete and robust control network to ensure full observability. However, redundancy measurements can create problems in expense, management, and control. The optimal phasor measurement unit (PMU) ...

Smart grids represent the latest trend that has disrupted the energy supplier sector. They are in the form of smart meters that automatically communicate power consumption data to the power grid operator. In fact, the smart‐grid technology is a great ...

Electricity theft, the behavior that involves users conducting illegal operations on electrical meters to avoid individual electricity bills, is a common phenomenon in the developing countries. Considering its harmfulness to both power grids and the ...

As the support networks of the electric power grid, power communication networks (PCNs) become more complex and vulnerable due to the increasing scale of the electric power grid. Identifying and protecting the critical nodes in PCNs in advance is an ...

Electromigration (EM) is seen as a growing problem in recent and upcoming technology nodes, and affects a wider variety of wires (e.g., power grid, clock/signal nets), circuits (e.g., digital, analog, mixed-signal), and systems (e.g., mobile, server, ...

Most of the world’s power grids are controlled remotely. Their control messages are sent over potentially insecure channels, driving the need for an authentication mechanism. The main communication mechanism for power grids and other utilities is defined ...

The large size of multiscale, distribution and transmission, power grids hinders fast systemwide estimation and real-time control and optimization of operations. This paper studies graph reduction methods of power grids that are favorable for fast ...

Electromigration (EM) is a key reliability concern in chip power/ ground (p/g) grids, which has been exacerbated by the high current levels and narrow metal lines in modern grids. EM checking is expensive due to the large sizes of modern p/g grids and ...

In this study, the authors investigate the resource allocation for orthogonal frequency‐division multiple access (OFDMA) wireless networks, where the base station is powered by renewable energy and electric grid. To fully exploit the renewable energy, the ...

Community detection is a complex optimization problem that consists on searching homogeneous communities that belong to a given graph. This graph, which represent a network, has properties that enable the detection of characteristics or functional ...

Demand-supply gap in power has resulted in 2 to 20 hours power-cuts in most Indian homes especially in summer months, in addition to almost 80 million homes having no grid-connectivity. Using DC appliances as demand-side intervention and decentralized ...

Recent events demonstrated the vulnerability of power grids to cyber attacks and to physical attacks. Therefore, we focus on joint cyber and physical attacks and develop methods to retrieve the grid state information following such an attack. We ...

The electric network frequency (ENF) is a signature of power distribution networks that can be captured by multimedia signals recorded near electrical activities. This has led to the emergence of multiple forensic applications based on the use of ENF ...

State estimation is a fundamental question in a power grid and it is used to understand the state of power grids based on readings of sensors placed at important power grid components. Current state estimation approaches are highly vulnerable to ...