53 results

Surface wave manipulation based on transformation optics: From design to manufacturing

Conference Proceeding
La Spada, L., & Hao, Y. (2017)
Surface wave manipulation based on transformation optics: From design to manufacturing. In 2016 International Symposium on Antennas and Propagation (ISAP)
In the last few years, much interest has grown in the control and manipulation of electromagnetic surface waves. The aim of this paper is to present a new design and manufactu...

Combinational logic synthesis based on the dual form of Reed-Muller representation.

Thesis
Faraj, K. Combinational logic synthesis based on the dual form of Reed-Muller representation. (Thesis)
Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/id/eprint/4339
In certain applications, AND/XOR (Reed-Muller), and ORlXNOR (Dual form of Reed-Muller) logic have shown some attractive advantages over the standard Sum of Products (SOP) and ...

Methods for differential protection of Scott transformers

Journal Article
Sorrentino, E., Gupta, N., & Oliveros, E. (2017)
Methods for differential protection of Scott transformers. Electric Power Systems Research, 147, 55-61. https://doi.org/10.1016/j.epsr.2017.02.018
This article describes different methods for the differential protection of Scott transformers, which are based on: (a) single-phase relays, (b) 3-phase relays for two-winding...

Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators

Journal Article
Zhao, P., Soin, N., Kumar, A., Shi, L., Guan, S., Tsonos, C., …Luo, J. (2020)
Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators. Nano Energy, 67, https://doi.org/10.1016/j.nanoen.2019.104291
The rapid uptake of energy harvesting triboelectric nanogenerators (TENGs) for self-powered electronics requires the development of high-performance tribo-materials capable of...

Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer

Journal Article
McNeill, N., Gupta, N. K., Burrow, S. G., Holliday, D., & Mellor, P. H. (2008)
Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer. IEEE Transactions on Power Electronics, 23, 591-599. https://doi.org/10.1109/TPEL.2007.915662
This paper investigates the application of reset voltage feedback for reducing errors due to droop in the signal derived from a current transformer sensing unidirectional curr...

Assessment of the error in the average current sensed by the unidirectional current pulse transformer

Journal Article
McNeill, N., & Gupta, N. K. (2008)
Assessment of the error in the average current sensed by the unidirectional current pulse transformer. IET Circuits, Devices and Systems, 2, 265. https://doi.org/10.1049/iet-cds%3A20070226
Advantages of using a current transformer (CT) for current sensing in switched mode power converters are that galvanic isolation is inherent, losses are low, the bandwidth is ...

Transient diagnosis of induction generators via atom-based time-frequency transforms

Conference Proceeding
Pons-Llinares, J., Riera-Guasp, M., Antonino-Daviu, J. A., & Vedreno-Santos, F. (2014)
Transient diagnosis of induction generators via atom-based time-frequency transforms. https://doi.org/10.1109/icelmach.2014.6960426
Induction generators used in windmills usually work in non-stationary conditions, due to the varying speed of the wind. Therefore, in order to perform its diagnosis through th...

Surface wave cloaking using transformation optics

Conference Proceeding
La Spada, L., & Hao, Y. (2015)
Surface wave cloaking using transformation optics. In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC)doi:10.1109/ursi-at-rasc.2015.7302892
Recently, there has been an increasing interest in the study of manipulating surface waves from microwave to optical frequencies [1, 2], especially for the design of conformal...

High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems

Conference Proceeding
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019)
High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems. In 2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials)https://doi.org/10.1109/MetaMaterials.2019.8900874
A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits ...

Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines

Journal Article
Guan, Y., Zhu, Z. Q., Azar, Z., Thomas, A. S., Vedreño-Santos, F., Li, G., & Odavic, M. (2017)
Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines. IEEE Transactions on Applied Superconductivity, 27(7), 1-11. https://doi.org/10.1109/tasc.2017.2732289
This paper compares the electromagnetic performance of 10MW superconducting (SC) generators with three different topologies, i.e., iron-cored stator and rotor (ISIRT), iron-co...