- Smart Grid Security and Resilience
- Power System Optimization and Stability
- Smart Grid Energy Management
- Microgrid Control and Optimization
- HVDC Systems and Fault Protection
- Power System Reliability and Maintenance
- Power Systems Fault Detection
- Optimal Power Flow Distribution
- Service-Oriented Architecture and Web Services
- Power Systems and Technologies
- Electric Vehicles and Infrastructure
- Information Technology Governance and Strategy
- Airway Management and Intubation Techniques
- Islanding Detection in Power Systems
- Energy Efficiency and Management
- Anesthesia and Sedative Agents
- High-Voltage Power Transmission Systems
- Frequency Control in Power Systems
- Software System Performance and Reliability
- Magnetic properties of thin films
- Respiratory Support and Mechanisms
- Advanced Battery Technologies Research
- Distributed and Parallel Computing Systems
- Energy Load and Power Forecasting
- Schizophrenia research and treatment
KTH Royal Institute of Technology
2015-2024
Uppsala University
1999-2023
Princeton University
2023
Xi'an Jiaotong University
2023
Aalborg University
2023
Engie (Belgium)
2016
KU Leuven
2016
Jönköping University
2013
Luleå University of Technology
2011
Boehringer Ingelheim (Sweden)
1997-2008
Magnetic moments in solids become useful and interesting due to the interatomic exchange that causes them align. Developments calculations of electronic structure have led ability predictively compute these interactions many materials. This review describes development their application describing behavior materials including technologically important hard soft magnetic materials, novel two-dimensional magnets, elemental solids, alloys, antiferromagnets, noncollinear molecules containing...
A multiagent-based distribution automation solution is proposed to be used in the of self-healing grids solve service restoration part Fault Location, Isolation and Service Restoration (FLISR) task. The reduces grid topology an undirected weighted graph executes a distributed implementation Prim's minimum spanning tree algorithm problem. compliant with state-of-the-art standards within smart grids, including but not limited IEC61850. To test performance algorithm, testbed assembled...
Hybrid energy storage system (HESS) is an attractive solution to compensate power balance issues caused by intermittent renewable generations and pulsed load in DC microgrids. The purpose of HESS ensure optimal usage heterogeneous systems with different characteristics. In this context, allocation for units a major concern. At the same time, wide integration electronic converters microgrids would possibly cause constant instability issue. This paper proposes composite model predictive...
Timely and accurate data with high resolutions holds great promise for more responsible advanced power grid operations. The research has been focusing on design of monitoring control scheme given the assumptions that supporting information communication technology (ICT) systems are capable providing perform sufficient quality. A relatively less addressed aspect is dependency wide-area (WAMC) their ICT architecture which usually a compromise between various concerns, such as quality,...
Phasor-based wide-area monitoring and control (WAMC) systems are becoming a reality with increased research, development, deployments. Many potential applications based on these being proposed researched. These either local using data from one or few phasor measurement units (PMUs) centralized utilizing several PMUs. An aspect of systems, which is less well researched, the WAMC system's dependence high-performance communication systems. This paper presents results research performed in order...
As typical prosumers, commercial buildings equipped with electric vehicle (EV) charging piles and solar photovoltaic panels require an effective energy management method. However, the conventional optimization-model-based building system faces significant challenges regarding prediction calculation in online execution. To address this issue, a long short-term memory (LSTM) recurrent neural network (RNN) based machine learning algorithm is proposed paper to schedule discharging of numerous...
Data-driven approaches are promising to address the modeling issues of modern power electronics-based systems, due black-box feature. Frequency-domain analysis has been applied emerging small-signal oscillation caused by converter control interactions. However, frequency-domain model a electronic system is linearized around specific operating condition. It thus requires measurement or identification models repeatedly at many points (OPs) wide operation range which brings significant...
Head circumference, body weight, length, and shoulder circumference at birth were studied in 70 RDC schizophrenic patients demographically matched controls from the same delivery series, using information recorded medical records time of birth. With preterm babies removed both samples, only head among preschizophrenic infants was significantly smaller than that controls. Preschizophrenic also had a disproportionately relation to length did Among former, small systematically related an...
On European level the EU Mandate M/490 including final reports of respective working groups are gaining momentum in community. Two mandate's core results deal with architecture description and use case management. As a response to mandate, among other deliverables, Smart Grid Architecture Model (SGAM) has been developed provide framework for architectures. Additionally, templates as well comprehensive methodology management have specified. The focus this contribution is demonstrate how SGAM,...
The difficulty of converging the contribution spin-orbit interaction to total energy within an ls basis in actinide electronic structure calculations is discussed detail. In particular, it demonstrated that source poor convergence treatment $6p$ states. limitation standard approach relativity full potential methods manifested muffin-tin based by a dependence on choice radius. Despite this found structural phase stabilities are not affected, nor pressure induced transitions. order treat...
The design of future energy automation and management systems requires Distribution System Operators (DSOs) to analyse compare different technical solutions for determining which these could be best implemented in their networks. This paper presents a methodology that helps DSOs carry out such complex task. is based on the Smart Grid Architecture Model (SGAM) framework. It was using web-based application facilitates editing automatic analysis SGAM architectures. successfully evaluated...
Smart Grids employ intelligent control applications that require high quality data: fast, secure, and error free. Several researchers have focused on providing techniques for low latency secured data links these applications. Bad detection is however generally provided only at the central level due to limitations in legacy technologies employed many substations. With introduction of IEC61850 sharing within substation becomes more flexible transparent allowing sophisticated management...
It is envisioned that the future electric grid will be underpinned by a vast number of smart inverters linking renewables at edge. These inverters' dynamics are typically characterized as impedances, which crucial for ensuring stability and resiliency. However, physical implementation these may vary widely kept confidential. Existing analytical impedance models require complete precise understanding system parameters. They can hardly capture electrical behavior when performing complex...
To increase the utilisation rate of power system and accelerate electrification while providing a high degree security reliability, System Integrity Protection Schemes (SIPS) are great importance. SIPS functions automatic remedial actions, detecting abnormal conditions or contingencies in taking control action to mitigate these conditions. Design, implementation, maintenance coordination all important aspects for desired operation. However, different actors have chosen approaches using...
Clonidine was administered intravenously in an attempt to limit sympatico‐adrenal activity and thereby reduce the incidence of arterial hypertension associated with coronary artery by‐pass graft surgery (CABG). Forty patients scheduled for CABG were assigned two groups. Twenty received clonidine 4μg kg ‐1 before surgery, 2 μg after cardiopulmonary 1 when skin sutured. The other 20 served as controls. All anesthetized fentanyl, droperidol, nitrous oxide alcuronium. During 5 min sternotomy,...
Phasor based Wide Area Monitoring and Control Systems (WAMC) promise to offer more accurate timely data on the state of power system, thus, increasing possibilities manage system at a efficient responsive level apply wide area control protection schemes. This paper presents results survey communications technical requirements for applications Measurement Units (PMU). The was carried out in Nordic Region with participants from Transmission System Operators (TSOs) researchers. focused...