Wireless Power Transfer at VEDECOM - Green-Tech...

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Wireless Power Transfer at VEDECOM

09/06/2016

François COLET, Mustapha DEBBOU77 Rue des Chantiers , 78000 Versailles , France

2OUTLINE

25/05/2017Propriété de VEDECOM – Reproduction Interdite

I. Introduction

II. Wireless Power Transfer Charging system

III. WPT system at VEDECOM

IV. Simulation and Experimental tests

V. Conclusion

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INTRODUCTIONVEDECOM, Challenges of future mobility

09/06/2016

DRIVING DELEGATIONAND CONNECTIVITY

VEHICLEELECTRIFICATION

SHARED MOBILITY AND ENERGY

VEHICLE ECOMOBILITY

TRAINING

VEHICLEELECTRIFICATION

SHARED MOBILITY AND ENERGY

DRIVING DELEGATIONAND CONNECTIVITY

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INTRODUCTIONVEDECOM, Challenges of future mobility

09/06/2016

Reduce the consumption of fossil fuels and the emissions of individual combustion-engine vehicles

Our projects- New electric machines /motors- Power electronics- Reliability of electric motors and power electronics- Low consumption auxiliaries- Innovative charging systems- Electromagnetic compatibility

AimsPrototyping of new electric

motors

Innovative chargingsystems

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Dynamic inductive charging

Electrification Workshop

Propriété de VEDECOM – Reproduction Interdite

INTRODUCTIONFROM TECHNOLOGY… TO EXPERIMENTATION ON VEHICLES

Driving Simulator

Power Electronics Laboratory

Satory test piste

Smart GridV2H – V2G

Charging Interoperability connected vehicle

2 autonomous vehicles

09/06/2016

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INTRODUCTIONResearch themes

Innovative charging system Project

1. Rapid charging systems 2. Dynamic inductive system

3. V2H, V2G, Vehicle charger4. Multi terminal stations

Conductive systems Inductive static systems

5. Pre-competitive standardization

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OUTLINE

25/05/2017

I. Introduction




V. Conclusion

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¾ Electric vehicle, as future solution for mobility

¾ The Electric vehicle is highly dependent on the embedded storage system

One of the solutions expected to make EVs more present is to reduce the dependency on the battery

WIRELESS POWER TRANSFER CHARGING SYSTEMWPT as a solution for battery dependence

9WIRELESS POWER TRANSFER CHARGING SYSTEM


WPT Charging Systems

The WPT charging systems are the sum of magnetically coupled primary and secondary coil, associated with a power electronic device.

Power Electronics

¾ Power Electronics components

¾ Compensation capacitor

¾ Real time control devices (DSP,FPGA)

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WIRELESS POWER TRANSFER CHARGING SYSTEM


Existing systems

PRIMOVEOLEVE

ORNL WPT FABRIC

Buses prototype

Experimentalbenches for EV

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WPT SYSTEM AT VEDECOMVEDECOM INNOVATIVE SOLUTION

Key challenges of WPT system

¾ High efficiency

¾ Alignement Tolerance

¾ Dynamic Charging Control

Research of the innovative solution with our partners :

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WPT SYSTEM AT VEDECOMCoupler Design

Magnetic structures

The optimized coil design

¾ The coil form

¾ The coil material

¾ The screen form

¾ The screen material

¾ The thermal behavior

The coil design is the most important part in the whole system

The best integrated coil design

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WPT SYSTEM AT VEDECOMPOWER ELECTRONICS

Associated Power Electronics

Depending on how the capacitors are connected tothe coils, there are four basic compensationtopologies, which are series-series (SS), series-parallel (SP), parallel-parallel (PP), parallel-series(PS).

Our focus

¾ New power electronics structures in primary and secondary sides

¾ New power electronics devices (SiC, GaN)

¾ Cooling system design

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WPT SYSTEM AT VEDECOMDynamic Charging Control

Only the ground coils lying below the vehicle must be fed in order to limit the magnetic radiation of the road.

Electric road design

In our studies, we try to demonstrate the feasibility of the WPT without any communication between the primary and the secondary side using observers.

Several solution to detect the vehicle using sensors have been tested.

Detection algorithms

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SIMULATION AND EXPERIMENTAL TESTS

I. Introduction




V. Conclusion

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SIMULATION AND EXPERIMENTAL TESTSModeling and Simulation

Simulation with ANSYS software

Simulation of diffèrent forms of coils using MAXWELL

Simulation of whole system using Simplorer

Simulation of the electromagneticbehavior of the coupler using MAXWELL

and COMSOL softwares.

All system Simulation including the electromagnetic coupler, the power

electronic and its control.

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SIMULATION AND EXPERIMENTAL TESTSModeling and Simulation

(a) (b)

(c) (d)

System in the Stationary Charging

First, the power transferred principle and efficiency of the system are validated.

System in dynamic conditions

Prim

ary

curr

ent (

A)

Inpu

t vol

tage

(V)

Out

put v

olta

ge (V

)

Seco

ndar

y cu

rren

t (A

)

t(s)t(s)

t(s) t(s)

Dynamic conditions impose a mutual inductance whose changes depend on the

motion of the vehicle and the load resistance

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SIMULATION AND EXPERIMENTAL TESTSEXPERIMENTAL SETUP

A WPT experimental test bench is available at VEDECOM institute in order to validate the different research activities.

The prototype is dedicated to fit the TWIZY vehicle, the maximum coils size is 50cm. We fixed the air gap at 15 cm.

Transferred Power 2.5 kW

DC input Voltage 60 V

Number of turns 7

Frequency 85 – 100 kHz

Primary and secondary inductances L1=L2=63µH

Resonant capacitor C1=C2=68nF

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SIMULATION AND EXPERIMENTAL TESTSEXPERIMENTAL SETUP

Different part of VEDECOM WPT System

Communication between the ground coils

Test on VEDECOM WPT system

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I. Introduction




V. Conclusion

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¾ Technology / Design

Our goal: Think global, act local

CONCLUSIONVEDECOM’s position on WPT

¾ Integration

¾ Regulation / Business model / Sustainability / Standards

EV

Road infrastructure

Electrical Grid

Service

Together to accelerate the mobility of tomorrow !

Thank you for your attention

Wireless Power Transfer at VEDECOM - Green-Tech...

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