A5083700542- Physics of Superconductivity and Magnetism
- Superconducting Materials and Applications
- HVDC Systems and Fault Protection
- Magnetic Properties and Applications
- Frequency Control in Power Systems
- Superconductivity in MgB2 and Alloys
- Electric Motor Design and Analysis
- Power Transformer Diagnostics and Insulation
- Thermal Analysis in Power Transmission
- Spacecraft and Cryogenic Technologies
- Power Quality and Harmonics
- Microgrid Control and Optimization
- Power Systems Fault Detection
- Magnetic Bearings and Levitation Dynamics
- Sensorless Control of Electric Motors
- Advanced Battery Technologies Research
- Wind Turbine Control Systems
- Electrical Fault Detection and Protection
- High voltage insulation and dielectric phenomena
- Heat transfer and supercritical fluids
- Magnetic confinement fusion research
- Smart Grid Energy Management
- Electric Power System Optimization
- Magnetic Field Sensors Techniques
- Multilevel Inverters and Converters
University of Glasgow
2022-2025
University of Strathclyde
2020-2022
Victoria University of Wellington
2018-2020
Babol Noshirvani University of Technology
2015-2020
National Agency for New Technologies, Energy and Sustainable Economic Development
2020
Babol University of Medical Sciences
2010-2015
Islamic Azad University Sari Branch
2014-2015
Institute of Technology of Cambodia
2014
Mazandaran University of Science and Technology
2010
Abstract Along with advancements in superconducting technology, especially high-temperature superconductors (HTSs), the use of these materials power system applications is gaining outstanding attention. Due to lower weight, capability carrying higher currents, and loss characteristic HTS cables, compared conventional counterparts, they are among most focused large-scale systems transportation units. In near future, cables will be installed as key elements not only but also cryo-electrified...
Abstract More than a century after the discovery of superconductors (SCs), numerous studies have been accomplished to take advantage SCs in physics, power engineering, quantum computing, electronics, communications, aviation, healthcare, and defence-related applications. However, there are still challenges that hinder full-scale commercialization SCs, such as high cost superconducting wires/tapes, technical issues related AC losses, structure devices, complexity cooling systems, critical...
Abstract This paper presents a roadmap to the application of AI techniques and big data (BD) for different modelling, design, monitoring, manufacturing operation purposes superconducting applications. To help superconductivity researchers, engineers, manufacturers understand viability using BD as future solutions challenges in superconductivity, series short articles are presented outline some potential applications solutions. These futuristic routes their materials/technologies considered...
The convergence of Information Technology (IT), Operational (OT), and Educational (ET) has led to the emergence fourth industrial revolution. As a result, new concept emerged known as Digital Twins (DT), which is defined "a virtual representation various objects or systems that receive data from physical objects/systems make changes corrections". In aviation industry, numerous attempts have been made utilize DT in design, manufacturing, condition monitoring aircraft fleets. Among these...
Overcurrent cycling refers to the procedure of imposing repetitive overcurrent superconducting tapes/devices for characterizing their critical current reduction. Characterizing behaviour Rare Earth Barium Copper Oxide (ReBCO) tapes is a crucial step in design process High Temperature Superconducting (HTS) devices. Multiple incidents during operation an HTS device can significantly decrease total current, leading potential quenches and failures. Data-driven models have been proposed...
We describe the design, construction, and testing of a proof-of-principle 45 kVA, 450/450 V, single phase superconducting transformer with fault tolerant capability. This small-scale demonstrates extended short circuit withstand time as result high thermal mass windings well improved recovery under load due to heat transfer achieved in subcooled liquid nitrogen wire coated optimise boiling transfer. Primary secondary consist 38-turn layer solenoids wound helical trenches milled...
High-temperature superconducting (HTS) transformer windings operate subcooled at atmospheric pressure to temperatures as low 65 K, with minimal power dissipation from AC loss in normal operation. During short circuits, HTS transformers are subjected transient heating by currents large 10 times the rated current for durations of up 2 s. After isolating fault, required cool back down their base temperature while carrying operating current. conductors insulated, typically wrapped self-adhesive...
This article introduces the potential use of superconductivity in cryo-electrified aircraft as aviation industry and governments move toward zero-emissions environmental targets. It outlines different electrical insulating materials discusses advantages disadvantages for cryogenic superconducting applications.
In this paper, general considerations for selecting a cryogenic cooling system superconducting machine in different applications were explained with respect to the design, operation, and condition monitoring constraints. These are so that they help electric engineers designers get familiar aspects of using machines. fact, main questions are: what important factors one should take into account when application? Also, which these could later affect performance it can efficiently cope expected...
Abstract The last 100 years of experience within the superconducting community have proven that addressing challenges faced by this technology often requires incorporation other disruptive techniques or technologies into superconductivity. Artificial intelligence (AI) methods including machine learning, deep and big data emerged as highly effective tools in resolving across various industries recent decades. concept AI entails development computers resemble human intelligence. papers...
Abstract Index-value, or so-called n- value prediction is of paramount importance for understanding the superconductors’ behaviour specially when modeling superconductors needed. This parameter dependent on several physical quantities including temperature, magnetic field’s density and orientation, affects high-temperature superconducting devices made out coated conductors in terms losses quench propagation. In this paper, a comprehensive analysis many machine learning (ML) methods...
Abstract Data-driven models can predict, estimate, and monitor any highly nonlinear multi-variable behaviour of high-temperature superconducting (HTS) materials, devices to analyse their characteristics with a very high accuracy in an almost real-time procedure, which is significant figure merit as compared traditional numerical approaches. The electromechanical twisted HTS tapes under different strains, magnetic fields, temperatures complicated problem be solved using conventional...
Characterization of the exact critical current density (Jc) and stress values in twisted superconducting tapes plays an important role for analysing their magnetic, thermal, mechanical behaviours.In this paper, a model based on Artificial Neural Network (ANN) is introduced to estimate electromagneto-mechanical characteristic different tapes.For purpose, magnetic flux density, temperature, strain, total thickness tape, width, stabilisers, substrates are used as inputs ANN whilst minimum...
Abstract The advent of superconducting bulks, due to their compactness and performance, offers new perspectives opportunities in many applications sectors, such as magnetic field shielding, motors/generators, NMR/MRI, bearings, flywheel energy storage, Maglev trains, among others. investigation characterization bulks typically relies on time-consuming expensive experimental campaigns; hence the development effective surrogate models would considerably speed up research progress around them....
Current is no longer sinusoidal in modern electric networks because of widespread use power electronic-based equipments and nonlinear loads. Usually AC loss calculated for pure current, while it accurate when current nonsinusoidal. On the other hand, efficiency cooling system large scale devices dependent on estimation prediction heat load caused by design stage. Therefore, nonsinusoidal high temperature superconducting (HTS) material would be great interest designers large-scale devices. In...
Resistive type fault current limiters (SFCLs) have attracted lots of attention from research interests and engineering applications, due to their self-triggering, fast effective limitation ability. Fast recovery SFCL after quench is highly attractive, yet still remains challenge when recover with load compared recovering without load. We investigated the dependence time a helical coil on ratio prospective over critical I <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
Fault detection and protection of Superconducting Cables (SCs) is considered a challenging task due to the effects quenching phenomenon High Temperature (HTS) tapes prospective magnitude fault currents in presence highly-resistive faults converter-interfaced generation. This paper presents novel, time-domain method for discriminative power system incorporating SCs high penetration renewable energy sources. The proposed algorithms utilizes feature extraction tools based on Stationary Wavelet...
In this study a novel method was presented to parameterize the critical current of Yttrium Barium Copper Oxide (YBCO) tapes based on their width, thickness, magnetothermal operational conditions, and applied strain. For purpose, fuzzy-logic-based model developed that take structures conditions as inputs calculate current, output. The results parameterization by showed relative error proposed is less than 3% comparing experimentally acquired data. Then, compared semi-analytical fitting-based...
Abstract Due to the inherent nonlinear and sophisticated nature of superconducting wires/tapes, magnetic field computation magnets by means finite element methods (FEMs) is a time-consuming complicated procedure. Although Legendre series method (LSM) was proposed as an alternative FEMs, LSMs are not still fast enough. In current research, surrogate model based on multi-layer artificial neural networks (ANNs) introduced for first time dramatically reduce resonance imaging (MRI) magnet. To do...
Abstract Superconducting coil is an essential and critical component in any superconducting apparatus used large-scale power applications such as machines of propulsion systems, fault current limiters the distribution system for future cryo-electric aircraft, or windings transformers grid applications. The coils winding devices operate kind harsh environments from both temperature—considering liquid hydrogen gaseous helium coolant—(thermal stress) electro-magneto-mechanical stress, point...
Abstract The rising demand for advanced energy systems requires enhanced thermal management strategies to maximize resource utilization and productivity. This is quite an important industrial academic trend as the efficiency of depends on cooling systems. study intends address critical need efficient heat transfer mechanisms in systems, particularly those relying pool boiling conditions, by mainly focusing Critical Heat Flux (CHF). In fact, CHF keeps a limit system design, beyond which...