Results 11 to 20 of about 72,204 (256)

Experimental Study on Critical Membrane Water Content of Proton Exchange Membrane Fuel Cells for Cold Storage at −50 °C

open access: yesEnergies, 2021
Membrane water content is of vital importance to the freezing durability of proton exchange membrane fuel cells (PEMFCs). Excessive water freezing could cause irreversible degradation to the cell components and deteriorate the cell performance and ...
Xiaokang Yang   +7 more
doaj   +1 more source

Why do some consumers not charge their plug-in hybrid vehicles? Evidence from Californian plug-in hybrid owners

open access: yesEnvironmental Research Letters, 2020
The environmental benefits of plug-in hybrid electric vehicles (PHEVs) are closely related to the driving and charging behavior of vehicle owners. It is often wrongly assumed that PHEV drivers plug-in once per day. Using data from drivers of the vehicles
Debapriya Chakraborty   +2 more
doaj   +1 more source

Multi-objective optimal scheduling strategy for wind power, PV and pumped storage plant in VSC-HVDC grid

open access: yesThe Journal of Engineering, 2019
Zhangbei demonstration project will be the world's highest voltage level and largest capacity VSC-HVDC power grid, by which millions of kilowatts of renewable energy and pumped storage power will be supplied to Beijing.
Man Xu, Linlin Wu, Hui Liu, Xiao Wang
doaj   +1 more source

Torque estimation of permanent magnet synchronous machine using improved voltage model flux estimator

open access: yesIET Electric Power Applications, 2021
A torque estimator for permanent magnet synchronous machines is presented based on flux estimation. The voltage model of the machine (Faraday's law) is employed to estimate the flux where pure integrators are applied to the electromotive force (EMF) of ...
M. Taherzadeh   +3 more
doaj   +1 more source

Sizing and Mission Profile Analysis of the Hybrid-Electric Propulsion System for Retrofitting a Fixed Wing VTOL Aircraft

open access: yesInternational Journal of Aerospace Engineering, 2022
Hybrid-electric technology can be expected to improve the performance of fixed wing vertical takeoff and landing (VTOL) aircraft. In this paper, we demonstrated a method of retrofitting a single-energy propulsion system prototype with a hybrid-electric ...
Jianan Zong   +4 more
doaj   +1 more source

Ultracapacitors equipped hybrid electric MicroCar

open access: yesIET Electric Power Applications, 2010
The main purpose of the study is to describe a small size hybrid vehicle having ultracapacitors (UCs) as on-board storage unit. The vehicle on-board main power supply is achieved by a genset being formed of a 250 cc internal combustion engine and a permanent magnet (PM) synchronous electric generator, whereas four 16 V-500 F UCs modules are connected ...
LIDOZZI, ALESSANDRO   +2 more
openaire   +3 more sources

Influence of User Preferences on the Revealed Utility Factor of Plug-In Hybrid Electric Vehicles

open access: yesWorld Electric Vehicle Journal, 2019
Plug-in hybrid electric vehicles (PHEVs) are an effective intermediate vehicle technology option in the long-term transition pathway towards light-duty vehicle electrification.
Seshadri Srinivasa Raghavan, Gil Tal
doaj   +1 more source

Almost α-Cosymplectic Pseudo Metric Manifolds

open access: yesJournal of Mathematics, 2021
The main purpose of this paper is to study almost α-cosymplectic pseudo metric manifold satisfying certain η-parallel tensor fields. We first focus on the concept of almost α-cosymplectic pseudo metric manifold and its curvature properties.
Sermin Öztürk, Hakan Öztürk
doaj   +1 more source

Development of Progressive Fuzzy Logic and ANFIS Control for Energy Management of Plug-In Hybrid Electric Vehicle

open access: yesIEEE Access, 2021
Hybrid electric vehicles are an effective alternative to the conventional fuel engine vehicles and thus efficient and intelligent energy management is the key for establishing a significant market for the hybrid electric vehicles globally.
Mohammad Suhail   +3 more
doaj   +1 more source

Energy assessment of hybrid heat pump systems as a retrofit measure in residential housing stock [PDF]

open access: yesE3S Web of Conferences, 2019
Hybrid electric-gas heat pump systems are a possible retrofit option in older residential buildings. Older buildings can be challenging to retrofit and in this context hybrid systems can offer an intermediate route to decarbonisation of building heating ...
Keogh David   +3 more
doaj   +1 more source

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