design principle of series electrical coupling hybrid electric drive train

... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... Electric Drive Trains (Electrical Coupling) 5.2.2 Parallel Hybrid Electric Drive Trains (Mechanical Coupling) 5.2.2.1 Parallel Hybrid Drive Train with Torque Coupling ... 9: Design and Control Methodology of Series Parallel (Torque and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug-In Hybrid Electric Vehicles; Chapter 16: Design...

Ngày tải lên: 06/05/2014, 11:35

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing...

Ngày tải lên: 05/09/2013, 14:58

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing...

Ngày tải lên: 05/09/2013, 14:58

... calculation results for kW SOFC BOP system (S/C=1.7, O/C=0.3, fuel utilization = 64.2%, electrical conversion efficiency = 44%) Design of SOFC BOP components The BOP components of a SOFC system account ... heating value of the fuel In the SOFC system at INER, the stack has a potential output power of kW and an electrical conversion efficiency of more the 40% In practice, not all of the fuel which ... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of...

Ngày tải lên: 05/09/2013, 16:10

... Study of the Design Variables for a Hybrid Electric Car with Solar Cells, Proc of METIME Conference, June 2-3, 2005, University of Galati, RO [19] Ahman M (2001), Primary Energy Efficiency of Alternative ... Vehicle Electric Generator Electric Motor Electric Node Fuel Horizontal Hybrid Electric Vehicle Hybrid Solar Vehicle Internal Combustion Engine Photovoltaic Panel Vertical A conversion ratio of 1.25 ... structure considered FIG – A PROTOTYPE OF SOLAR CAR FIG - SCHEME OF THE SERIES HYBRID SOLAR VEHICLE (SEE NOMENCLATURE) PV EG ICE II STRUCTURE OF THE SOLAR HYBRID VEHICLE As it is known, two different...

Ngày tải lên: 30/03/2014, 10:20

... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... Electric Drive Trains (Electrical Coupling) 5.2.2 Parallel Hybrid Electric Drive Trains (Mechanical Coupling) 5.2.2.1 Parallel Hybrid Drive Train with Torque Coupling ... 9: Design and Control Methodology of Series Parallel (Torque and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug-In Hybrid Electric Vehicles; Chapter 16: Design...

Ngày tải lên: 27/06/2014, 01:21

... basis for comparison between grid designs Computer simulation of grid designs The first sequence of simulations was carried out to determine which combination of grid design and cell layout relative ... resistance by the use of a higher ratio of grid metal to active material than in a conventional construction with an optimised grid design and the cell is designed, in this case by the use of opposed tabs ... jmean provides a measure of total cell efficiency and the double lug designs were ranked highest, followed by the double tab designs with a central current collector The radial designs did not provide...

Ngày tải lên: 05/07/2014, 20:21

... Each of the projects focused on a sub-1 MW class hybrid system The General Electric project included the submegawatt design of an SOFC and an MTG Fuel Cell Energy’s hybrid system was comprised of ... production These synergistic aspects of hybrid systems are of particular interest and contribute to the potential of hybrid systems System Configurations The hybrid system can be configured in several ... variables, exhaust temperatures in the range of 400–600 K (127–327 1C) can be achieved Typically, the goal of the hybrid design is to maximize the generation of electricity In this case, additional energy...

Ngày tải lên: 06/07/2014, 02:20

... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... Electric Drive Trains (Electrical Coupling) 5.2.2 Parallel Hybrid Electric Drive Trains (Mechanical Coupling) 5.2.2.1 Parallel Hybrid Drive Train with Torque Coupling ... 9: Design and Control Methodology of Series Parallel (Torque and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug-In Hybrid Electric Vehicles; Chapter 16: Design...

Ngày tải lên: 06/07/2014, 07:20

... engines of that time or to improve the range of EVs They made use of the basic electric technologies that were then available In spite of the great creativity that featured in their design, these ... needed A great amount of literature in this field already exists Since this book proposes to discuss electric, hybrid electric, and fuel cell power trains, the discussion of vehicle fundamentals ... rating, the electric motor provided additional power In addition to being one of the two first hybrid vehicles, and the first parallel hybrid vehicle, the Pieper was undoubtedly the first electric...

Ngày tải lên: 06/07/2014, 07:20

... optimization of fuel cells, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures The difficult experimental environment of fuel cell ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... independent of the grid size A computational quadratic mesh consisting of a total of 11556 nodes and 59814 meshes was found to provide sufficient spatial resolution (Figure 2) The coupled set of equations...

Ngày tải lên: 09/09/2015, 10:17

... STACK MODELING AND DESIGN OF DC/DC CONVERTER FOR FUEL CELL ENERGY SYSTEM KONG XIN (M.Eng., XJTU, P.R.China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL & COMPUTER ... resistors By doing so, a totally electrical circuit model of fuel cell was built in PSPICE Simulation results show that the model can predict the electrical response of the PEM fuel cell stack under ... inaccessible to many electrical engineers - Most of the fuel cell models used by electrical engineers are usually simple R model [31] [32], which are obtained by linearizing the V-I curve of the fuel...

Ngày tải lên: 14/09/2015, 14:09

... performance of the fuel cell Thus, one of the greater challenges in the design of passive fuel cells is how to provide enough oxygen for the electrochemical reaction on the entire active surface One of ... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity In the extreme case of complete drying, local burnout of the membrane can result Figure shows profiles for ... forces and π , π are the thermal and swelling induced strains, respectively The thermal strains resulting from a change in temperature of an unconstrained isotropic volume are given by; π T = ℘(T −...

Ngày tải lên: 05/09/2013, 14:58

... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity In the extreme case of complete drying, local burnout of the membrane can result Figure 5b shows profiles ... cell because of varying rates of production and transport Devising better water management is therefore a key issue in PEM fuel cell design, and this requires improved understanding of the parameters ... International Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.375-398 377 temperature requires studying and modelling of the stress-strain behaviour of membranes and MEAs...

Ngày tải lên: 05/09/2013, 14:58

... Journal of Energy and Environment (IJEE), Volume 1, Issue 6, 2010, pp.927-936 of which have some element of physical design or operation associated to it that can be altered to improve an aspect of ... reflects the influence of the operating parameters on fuel cell performance to investigate the in situ total displacement and degree of the deformation of the polymer membrane of PEM fuel cells ISSN ... lower surface of the cell membrane, i.e at the catalyst layers, at a nominal current density of 1.4 A/cm2 The figure illustrates the effect of stresses on the catalyst layers Because of the different...

Ngày tải lên: 05/09/2013, 14:58

... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... the magnitude of phase change inside the GDL, expressions are required to relate the level of over- and undersaturation as well as the amount of liquid water present to the amount of water undergoing ... forces and π , π are the thermal and swelling induced strains, respectively The thermal strains resulting from a change in temperature of an unconstrained isotropic volume are given by; π T = ℘(T −...

Ngày tải lên: 05/09/2013, 14:58

... elastic strain component, π pl is the plastic strain component, and π T , π S are the thermal and swelling induced strains, respectively The thermal strains resulting from a change in temperature of ... reaction that directly produces electrical energy This electricity would be used by motors, including one or more connected to axles used to power the wheels of the vehicle (Figure 1) The direct ... durability of fuel cell stack components remains, in most cases, insufficiently understood Lengthy required testing times, lack of understanding of most degradation mechanisms, and the difficulty of...

Ngày tải lên: 05/09/2013, 14:58

... Results showed a better distribution of reactant species in this design of the perforated type gas distributor One of the new architectures in PEM fuel cell design is a tubular-shaped fuel cell ... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity In the extreme case of complete drying, local burnout of the membrane can result Figure shows profiles for ... the magnitude of phase change inside the GDL, expressions are required to relate the level of over- and undersaturation as well as the amount of liquid water present to the amount of water undergoing...

Ngày tải lên: 05/09/2013, 14:58

... efficiency of a fuel cell may be “bought” by adding more cells, and it is driven by economic factors, such as the cost of individual cells, cost of hydrogen and the resulting cost of generated ... the internal resistance of the cell is equal to the electrical resistance of the external circuit However, since efficiency drops with increasing voltage, there is a tradeoff between high power ... of the performance [3] The shifting of the polarization curves towards higher voltage at higher current densities when increasing the cell temperature is due to the increase of conductivity of...

Ngày tải lên: 05/09/2013, 14:58