Browsing Electrical Engineering by Title
Now showing items 1242-1261 of 2495
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HVAC system attack detection dataset
( Elsevier Inc. , 2021 , Dataset)The importance of the security of building management systems (BMSs) has increased given the advances in the technologies used. Since the Heating, Ventilation, and Air Conditioning (HVAC) system in buildings accounts for ... -
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
( Institution of Engineering and Technology , 2014 , Conference Paper)Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ... -
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
( Institution of Engineering and Technology , 2014 , Conference Paper)Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ... -
HVDC shunt tap based on three single-phase half-bridge series-connected MMCs operated under 2L modulation
( Institution of Engineering and Technology , 2019 , Article)In this study, a cost-effective HVDC shunt tap with low-number of relatively low-voltage semiconductor devices and small-sized passive components is proposed. The proposed architecture is based on employing three single-phase ... -
Hybrid African vultures-grey wolf optimizer approach for electrical parameters extraction of solar panel models
( Elsevier Ltd , 2022 , Article)Three-diode model (TDM) of photovoltaic (PV) cells is a significantly precise model that addresses the electrical and optical losses in such PVs. Due to its nonlinearity and multivariable characteristics, the TDM is a ... -
Hybrid and modular multilevel converter designs for isolated HVDC-DC converters
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems. Operation of the ... -
Hybrid attack detection framework for industrial control systems using 1D-convolutional neural network and isolation forest
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Industrial control systems (ICSs) are used in various infrastructures and industrial plants for realizing their control operation and ensuring their safety. Concerns about the cybersecurity of industrial control systems ... -
Hybrid Extended Boost Configuration G-Source Inverters
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)This paper presents novel three-phase dc-ac inverters based on extended boost impedance source structure which are term as hybrid extended boost T-source inverters (HEB?SI). These topologies are obtained from combining a ... -
Hybrid fault detection and isolation strategy for non-linear systems in the presence of large environmental disturbances
( Institution of Engineering and Technology , 2010 , Article)The problem of designing and developing a hybrid fault detection and isolation (FDI) scheme for a non-linear system that is subject to large environmental disturbances is investigated. In the proposed FDI scheme, a hybrid ... -
Hybrid Full-Duplex and Alternate Multiple Relay Selection and Beamforming in AF Cooperative Networks
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)In this paper, multiple relay selection and beamforming techniques are applied to a dual-hop full-duplex (FD) amplify-and-forward relaying network. We show that our proposed techniques allow the selection to be adaptive ... -
Hybrid hydrogen-battery storage to smooth solar energy volatility and energy arbitrage considering uncertain electrical-thermal loads
( Elsevier , 2020 , Article)This paper brings together the benefits of hydrogen and battery storage devices in the electrical network integrated with solar energy. The introduced hybrid storage system is utilized to achieve two purposes including ... -
Hybrid Modular Multilevel Converter with Arm-Interchange Concept for Zero-/Low- Frequency Operation of AC Drives
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)DC-AC Modular Multilevel Converter (MMC) is a promising candidate for high-power AC drive applications. The main challenge of operating the MMC in AC drive applications is its performance during low-frequency conditions, ... -
Hybrid multimodule DC-DC converters for ultrafast electric vehicle chargers
( MDPI AGhttp://dx.doi.org/10.3390/en13184949 , 2020 , Article)To increase the adoption of electric vehicles (EVs), significant efforts in terms of reducing the charging time are required. Consequently, ultrafast charging (UFC) stations require extensive investigation, particularly ... -
Hybrid Physical Layer Security for Passive RFID Communication
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Thanks to its low cost, small weight and energy efficiency, passive radio frequency identification (RFID) backscatter communications systems have attracted a lot of attention in several application fields. However, such ... -
Hybrid thin-films of graphene materials and metallic nanowires for next generation transparent electrodes
( Optics InfoBase , 2013 , Conference Paper)We report advances in the fabrication and characterization of transparent conductive electrodes based on thin-films of metallic nanowires (copper and silver) encapsulated with graphene, graphene oxide, and reduced graphene ... -
Hybrid transparent conductive electrodes with copper nanowires embedded in a zinc oxide matrix and protected by reduced graphene oxide platelets
( American Institute of Physics Inc. , 2016 , Article)Transparent conductive electrodes (TCE) were fabricated by combining three emerging nano-materials: copper nanowires (CuNWs), zinc oxide (ZnO) nano-particulate thin films, and reduced graphene oxide (rGO) platelets. Whereas ... -
Hybrid underlay/overlay cognitive radio system with hierarchical modulation in the presence of channel estimation error
( IEEE , 2014 , Conference Paper)In this paper, we study the performance of hybrid cognitive radio (CR) system in the presence of channel estimation error (CER) in terms of bit-error-probability (BEP) and outage probability. We assume simultaneous switching ... -
Hybrid wind-diesel-battery system planning considering multiple different wind turbine technologies installation
( Elsevier Ltd , 2020 , Article)Today, renewable resources have become one of the main pillars of electricity generation because of the constant reduction in their costs. In this regard, wind energy possesses the highest share in installed capacity and ... -
Hybrid-boost modular multilevel converter-based medium-voltage multiphase induction motor drive for subsea applications
( Korean Institute of Power Electronics , 2019 , Article)This paper proposes a hybrid-boost Modular Multilevel Converter (MMC) for the Medium-Voltage (MV) Variable Speed Drives (VSDs) employed in subsea applications, such as oil and gas recovery. In the presented architecture, ... -
Hyper-Flatnet: A novel network architecture for data centers
( IEEE , 2015 , Conference Paper)Massive data centers form the core infrastructure support for the ever increasing cloud based services. Hence, the performance of data centers will have important influence on the scalability of these services. In particular, ...