technology trends in ev charging an overview - level trends in ev charging –an overview adrian...

Technology Trends in EV Charging – an Overview

Adrian VinsomeHead of Energy Systems

[email protected]

Emerging Charging Technology and Future Trends

Presentation Objectives

1. Current Charging Technologies

i. Charging Modesii. Connectorsiii. Power Levels

2. Charging System Trends

i. Higher Power Chargingii. Inductive Chargingiii. Vehicle-to-Grid

iv. Interoperability


Current Charging Technologies

Emerging Charging Technologies and Future Trends

EV Charging..

Source: beama, “A Guide to Electric Vehicle Infrastructure”, 08 April 2015.


AC ConnectorsVehicle Connector Types – AC Charging Cable

SAE J1772 Type 1

Proximity Pin

Control PilotEarth

Live 1

Live 2/N

Release Button and hole for padlock

Live 3

EN62196-2 Type 2 Female

Control Pilot Proximity Pin

Neutral

Live 2

Live 1Earth

Recess for plug lock

Nissan Leaf socket

Renault Zoe socket

Tesla Model Ssocket

Control Pilot

Proximity Pin

Neutral

Live 3

Live 2

Live 1

Earth

EN62196-2 Type 2 Male

Charge Point Side of Cable


DC Connectors

CCS Combo 2

DC +/-pins

Earth

Control Pilot and

Proximity Pins

CHAdeMO JARI JEVS/G105

DC +/-pins

BMW i3 socket

Nissan Leaf socket


Charger Type Charge Time Power (kW) Connection Type

Slow0-100% in

10-12 hours2.3-3.7 kW 3-Pin Plug

Fast0-100% in 4-

6 hours7-22 kW

Type 1 (T1)

or Type 2 (T2)

Semi-Rapid0-100% in 1-

2 hours22-43 kW Type 2 (T2)

Rapid0-80% in 20-

30 mins

43-50 kW,

120 kW -

Tesla

Supercharge

r

Type 2- AC (T2)

or CHAdeMO - DC (CHA)

or CCS Combo 2 - DC (CCS)

Vehicle-to-Grid0-100% in 6

hours7kW V2G Connector (V2G)

Home

Workplace

Long stay car parks

Publicly accessible locations

Depots

Service station

Tesla Supercharger station

Workplace

Pre-commercial

Vehicle Charging - Power Levels


Charging System Trends


Source: Steven Dorresteijn, “High Power EV Charging and Future Trends, ABB”, Cenex LCV 2017, 6th September 2017

Higher Power Charging


Higher Power Charging

Source: electrek, “The first ‘High-Power fast-charging station’ (150-350kW) is installed by EVgo and ABB right in Tesla’s backyard”, 27 Feb 2017.

© Cenex© electrek


Porsche – 800 volt DC Charging

Source: Porsche, “800-Volt Charging”, 27 Feb 2017.


Inductive Charging

Source: plugless, “System Components”, https://www.pluglesspower.com/gen2-tech-specs/.

Three main components:

Parking padVehicle adapterControl panel

https://www.pluglesspower.com/gen2-tech-specs/


Inductive Charging

Source: Qualcomm Halo, https://www.qualcomm.com/products/halo

Qualcomm Halo Wireless Electric Vehicle Charging (WEVC) is another wireless/inductive charging system.

The charging pad’s multi-coil design delivers high energy-transfer efficiency and high power – 3.3 kW and 6.6 kW - even if pads are misaligned.

https://www.qualcomm.com/products/halo


Inductive Charging – Human Exposure to EM Fields

Source: Qualcomm Halo, https://www.qualcomm.com/products/halo

Assessment of electromagnetic field will require new approaches to estimation due to the lack of standardised procedures at low frequencies (<10 MHz).

https://www.qualcomm.com/products/halo


Vehicle-to-Grid Systems

© Cenex

itheca demonstration project

© Cenex

© Nissan, Nichicon

Leaf to Home power supply system


Charge Point Management Systems (CPMS)• CPMS is a Back Office function provided by a Charge Point Network Operator. It

is hosted on a server and controls and monitors a network of charge points

• The CPMS provides the following functions;1) A database of:

i. all the Charge Points on its network;ii. the network’s authorised EV users;

2) The ability to remotely diagnose and operate charge point functions;

3) The system collects charging data for operational and billing purposes;

4) A user help line and website (typically with location map);

5) Pay As You Go billing options for EV users;


Open Charge Point Protocol

Source: Open Charge Alliance, “OCPP Development Roadmap v01a”, http://www.openchargealliance.org

http://www.openchargealliance.org/


Open Platform for Charging Point Management System

Why do we need an open platform for charging point management systems?

1) The EV users want to access chargepoints across different network.

2) Easy access method via app or contactless bank card.

3) EV users do not want to sign up every single chargepoint network provider.

Thank you for listeningAdrian VinsomeHead of Energy [email protected]

technology trends in ev charging an overview - level trends in ev charging –an overview adrian...

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