Assessment Of High Voltage Battery Parameters In The Hybrid Electric Vehicle

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Model-Based Parameter Identification of Healthy and Aged Li

Apr 14, 2015 electric vehicle powertrain, it requires accurate monitoring and control. In order to effectively estimate the battery pack critical parameters such as the battery state of charge (SOC), state of health (SOH), and remaining capacity, a high-fidelity battery model is needed as part of a robust SOC estimation strategy.

Rayavarapu Srinivasa Sankarkumar Rajasekar Natarajan

tions vary. In case of two-stage AC motor drive, DC-DC converter converts battery voltage to required high-voltage DC for propelling the motor drive; while, the inverter fed ac motor drive operates in two modes: propulsion mode and regenerative braking. During propulsion mode, the power is transferred to electric machine from the battery and vice-

Fast charge implications: Pack and cell analysis and comparison

[25, 29-30]. Current profile, upper voltage limit, and temperature during fast charge are other key operating parameters that could adversely affect battery life during fast charge [19, 21, 25, 30-33]. This study investigated the effect of DCFC on SOH of a full-size battery electric vehicle

High-Power Battery Testing Procedures and Analytical

assess the performance of hybrid electric vehicle batteries have been developed. Tests include both characterization and cycle life and/or calendar life, and have been designed for both Power Assist and Dual Mode applications. Analytical procedures include a battery scaling methodology, the calculation of pulse

Toyota Mirai Testing - Energy

Oct 01, 2017 the vehicle is stopped, and the FC stack has the ability to turn off or idle to enable the car to operate as an electric vehicle momentarily. The open circuit voltage slowly decreases as the FC system idles. Figure 2 illustrates these different powertrain operating modes on the New European Driving Cycle. This drive cycle

National Assessment of Energy Storage for Grid Balancing and

Laboratories and Electric Power Research Institute (EPRI), the 2013 Storage Handbook. A comparison of our results with those of the Handbook should be of value to the industry. Summary of Cost and Performance Characterization: The following tables provide a summary of the cost and performance characteristics used in the Assessment. Table E.1.

SI B61 18 08

vehicle s battery voltage to drop below 12.0 volts (12.0V) permanently reduces the battery life expectancy and can lead to premature failure of the battery. For vehicles, equipped with a high-voltage battery (hybrid/electric vehicles), failure to properly maintain this battery may lead to a greatly discharged HV battery, requiring replacement.

COMPARATIVE BATTERY EFFICIENCY ANALYSIS FOR HYBRID ELECTRIC

relevant parameters for the battery performance in hybrid and electric vehicles. A comparative analysis is performed to determine the battery type with the higher energy efficiency. This analysis method determines through these simulation results that a battery energy efficiency performance assessment can be developed using matlab hil models.

Assessment of Plug-in Electric Vehicles Charging on

vehicle, and between $4,425 and $6,100 relative on a hybrid electric vehicle (without grid connection capability) in operation costs. To commercial building owners, PHEV may potentially lower the electric bill by charging the PHEVs batteries below peak load, and use the stored energy during peak.

SAE 2017-01-1211 Modeling & Validation of 12V Lead-Acid

response gradients [3] when running high I-V (current-voltage) discharging and charging current pulse tests at various SOC levels. However, voltage response gradients from battery pack I-V tests may be different than those of battery cell I-V tests due to cell-to-cell SOC imbalance, cell-to-cell voltage variations, etc. RC network parameters (R

A NASA Approach to Safety Considerations for Electric

.3-6 MW Electric Machines 150 Seat 22 MW Total Propulsive Power 1-11 MW Electric Machines 3 -30 MW Electric Machines Largest Electrical Machine on Aircraft 50 Seat Jet 12 MW Total Propulsive Power 150 Seat 22 MW Total Propulsive Power 1.5-2.6 MW Electric Machines.3-6 MW Electric Machines.1-1 MW Electric Machines Left side motor size,

VEHICLE TECHNOLOGIES PROGRAM - UNECE

The trend in hybrid electric vehicles (HEVs) has been to increase the traction drive bus voltage to >600 VDC. Electric and plug-in hybrid electric vehicle high voltage traction drives are increasing in overall power delivery capabilities Component design is critically important to maintain system integrity in these high

PAPER OPEN ACCESS Energy recovery potential through

Oct 05, 2019 Figure 2. Solutions of voltage boosting systems for electric motors. 2. Aim of the research Although the values of the maximum boost of voltage supplied to the electric motor of the hybrid vehicle are well known, the voltage values during regenerative braking still require proper assessment. These

Probabilistic Assessment of Electric Vehicle Charging Demand

electric vehicle demand on dist ribution transformer overloading in a residential neighborhood of Toronto, Canada. The results shows that transformer overloading is expected under certain scenarios due to EV charging. In [5], the impact of plug-in hybrid electric vehicles on distribution transformers is

RESS Isolation Stress Test - UNECE

The automotive application of electric propulsion in Hybrid Electric Vehicle (HEV), Plug-in Hybrid Electric Vehicle (PHEV) and Electric Vehicles (EV) relies on application of Rechargeable Energy Storage Systems (RESS) commonly referred to as batteries. The automotive application and use of a RESS, such as a Lithium-ion (Li-ion) based battery

Guidelines for Analysis of HybridElectric Aircraft System Studies

technical and program committees that had a stake in aircraft electric and hybrid electric propulsion and power. The AEPP Working Group identified the need for standardization of parameters and metrics for electric and hybrid electric aircraft system studies. An action item (#40) was created and an informal subgroup was created to work on this

Prognostics in Battery Health Management

program was initiated in 1998 by the U.S. Department of Energy s Office of Vehicle Technologies to find solutions to the barriers that limit the commercialization of high-power lithium-ion batteries for hybrid electric and plug-in hybrid electric vehicles. Towards that end, cells are aged under various conditions with the intent of addressing

Energy, Economical and Environmental Analysis of Plug-In

vehicle operation modes, i.e. EV (electric vehicle) and blended, different battery sizes, 6.97 and 8.87 kWh of stored energy and different charging availability, i.e. controlled (once a day, overnight) and uncontrolled (charging is possible whenever the vehicle is parked). For a complete assessment of the benefits achievable

P2 Hybrid Electrification System Cost Reduction Potential

The P2 hybrid design configuration (Figure 1) consisted of an integrated electric motor/generator and hydraulic clutch module positioned between a downsized internal combustion engine (ICE) and transmission. The electrical power supply/storage system consisted of high-voltage lithium polymer battery pack; voltage and capacity matched to

A Technology Gap Assessment - Energy

Similarly as with the battery, the vehicle is constrained by cost, weight, and volume. For XFC-capable vehicles, these parameters are greatly influenced by the current delivered to the vehicle during a 400-kW charge, where all parameters rise with increased current. By increasing the BEV battery pack voltage from the

Life-Cycle Cost Sensitivity to Battery-Pack Voltage of an HEV

study the effects of battery-pack voltage variations on vehicle performance and life-cycle costs. Table 1 summarizes the experiments. Cases 1,2,3, and 8 explore the effect on performance of a high voltage traction motor by replacing batteries connected in series with a boost converter to match the battery pack voltage with that of the dc link

A new life estimation method for lithium-ion batteries in

(Axen et al., 2008). Their high specific power and energy density content allow overcoming the limitations typical of Ni-MH batteries in meeting the power and energy demands of electric vehicles (EV) and hybrid electric vehicles (HEV) and, in addition, they withstand a wider range of temperatures.

Method for Determination of the Internal Short Resistance and

current electric vehicle (EV) and hybrid electric vehicle (HEV) designs. Battery failure induced by mechanical loads (acceleration and/or intrusion) can lead to electrical and chemical hazards together with fire, which can result in serious danger to life, the environment and the infrastructure [1,2] and should therefore not occur in the

Standards for the assessment of the performance of electric

to electric vehicle battery performance, degradation and lifetime. It identifies measuring and testing methods to be used in the compliance assessment of electric vehicle batteries in order to meet Ecodesign requirements. Additionally, gaps and needs not covered by existing standards are identified.

Powering electric vehicles on England s major roads

Series hybrid Plug-in hybrid vehicle which always uses electric power Strategic Road Network The motorway and key trunk road network in England, maintained by the Highways England. Trafficking : The passing of vehicle traffic (or replication of passing vehicle traffic) over a road surface. Triad

TECHNOLOGY ASSESSMENT OF A FUEL CELL VEHICLE: 2017 TOYOTA MIRAI

Battery assist (26kW peak). Battery SOC drop from 62.5% to 39% FC stack output drops after ~30 seconds. FC stack output settles at 73kW after 6 minutes. Higher relative air flow to the vehicle could increase the maximum continuous power output. 27.3 mph is the final speed on a 25% grade. Compressor peak speed 9,600 rpm, peak power 17 kW. All

Electric Vehicle Charging Station Installation Guidelines

their vehicle with a conventional outlet (Level 1 charging). This is a very practical solution for owners of plug-in hybrid electric vehicles at (PHEVs), such as a Toyota Plug-in Prius or Chevrolet Volt. A person who purchases a battery electric vehicle (BEV), such as the Nissan Leaf, may choose to use a Level 2 charging station. Level 2

Battery Calendar Life Estimator Manual Modeling and Simulation

This Battery Life Estimator Manual was prepared for the United States Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Program. It is intended to assist developers in successfully estimating battery life capability for electric, hybrid-electric, or plug-in hybrid electric vehicle

On-road emissions and energy efficiency assessment of a plug

To activate all electric driving the high voltage battery should be sufficiently charged, the vehicle speed should be below 130kmh and the kick-down function is de-activated. With the hybrid mode the vehicle can be driven electrically at low and medium speeds depending on the charge level of the high voltage battery and the driving resistance. The

Battery Testing, Analysis and Design

The Battery Testing, Analysis, and Design activity supports several complementary but crucial aspects of the battery development program. The activity s goal is to support the development of a U.S. domestic advanced battery industry whose products can meet electric drive vehicle performance targets.

Assessment of Potential Lithium-ion Battery Safety Issues for

plug-in hybrid electric vehicles, hybrid-electric vehicles, and battery electric vehicles. This report reviews the literature for cell chemical and mechanical design and safety, battery architecture and design, vehicle systems relative to battery power, battery management and control systems, safety standards, and a survey

Technology Assessment of a Fuel Cell Vehicle: 2017 Toyota Mirai

vehicle are to: Establish vehicle level energy consumption, efficiency, and performance data on varying drive cycles at ambient temperatures ranging from 20F to 95F with a stretch goal of testing a cold start at 0F. Measure the performance envelops and synergies between the fuel cell system and the hybrid system (incl. fuel cell system idle).

Charge and Discharge Characterization of Lithium-ion

launched Prius in 1997 [2], still today, it is first electrified vehicle on the market. And Tesla Model S was named Motor Trend s ar of the Year introduced in 2012 [3]. Currently, Lithium-ion batteries are the solution of choice for hybrid and electric vehicles due to the high energy density and long life cycle [4]. Specific power is the

Vehicle Battery Safety Roadmap Guidance

extremes, vibration, high rates of discharge, and high rates of charge. High rates of both discharge and charge can occur at extreme temperatures. To increase an all-electric vehicle s driving range, the vehicle traction application will require high voltage, which in turn requires long strings of cells, long life, and high energy.

ELECTRIC VEHICLE MAINTENANCE STANDARDS

motor vehicle technicians who will endanger themselves or others by working on Electric and Hybrid Vehicles. Current regulation does not adequately extend to Electric and Hybrid vehicles as outlined by the Health and Safety Executive1. There are four principles that the IMI s recommendations seek to underpin: 1. Ensure a skilled workforce.

IMPACT OF PLUG-IN HYBRID ELECTRIC VEHICLES ON CALIFORNIA S

Hybrid Electric Vehicles (PHEVs). These vehicles are slated to be commercially available starting in 2010. PHEVs operate similar to Hybrid Electric Vehicles (HEVs) which utilize a significant portion of energy from the battery for drive; however PHEV batteries have the capability of recharging through most standard electrical outlets.

Fuel-efficiency technology trend assessment for LDVs in China

Sep 17, 2018 battery pack and an electric motor are required. We regard stop-start and regenerative braking as advanced engine technologies and discuss them in the working paper on advanced engine technology in this series. 3 Hybrid electric vehicles HEVs feature hybrid powertrain systems that combine a conventional ICE system with an electric drive sys-tem.

MY18 Mirai Fuel cell tech eBrochure - Toyota

from the battery or to draw energy directly from the fuel cell stack. This is part of what makes Mirai so energy efficient, and is based on the proven Toyota hybrid PCU found in Prius. THE BOOST CONVERTER Our four-phase boost converter brings voltage to 650 volts. Driving at a higher voltage makes more efficient use of the motor, giving