1(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

“LEAF to Home”Electric Power Supply System

from Nissan LEAF Battery to House

August 2nd, 2011

Hidetoshi KadotaChief Vehicle Engineer,

in charge of Global Zero Emission Vehicle Business UnitNissan Motor Co., Ltd.

(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

2(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

Roles of PCS: Power Control System

0V

100V

200V

300V

400V

500V

AC 200V

AC 100V

air conditioner

refrigeratorDC 360V (nominal)

wavelength(frequency)

（reference ：TEPCO H.P.）

Convert EV electric energyinto suitable voltage and frequency for house

Nissan LEAFBattery voltage

PCS

50Hz area

50Hz area60Hz area50&60Hz area

3(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

Concrete measure to extract electric power from EV

●adding circuit of

interactive electric

converter (AC⇔DC)

PCS

●adding communication

protocol for power supply mode(requiring/allowing/amount ordering)

PCS/Vehicle communication●adding power supply control

mode to existing charging

control system

Vehicle

modify from ＣＨＡｄｅＭＯ* protocol

connect to quick-charge port

*quick charging standard started in Japan joined globally by more than 300 Association

AC 200V

Power supply mode from DC 360V

Charging mode from AC200V

Interactive electric power exchange (Charing⇔Power Supply) would be available by adding ”Power supply mode” to DC Quick-Charge interface

4(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

CHAdeMO protocol functional enhancement

3 phaseAC200V50KW

DC Quick charger EV

DC Max125A Battery

Controller

On BoardCharger

←Signal of receive, Current order,Battery info.(CAN＋DIO)

↑approx. 10A

Standard Connector

EVSE

Normal chargingProhibitation on start,

Report on operating condition,

Order for power supply →

←Interactive signal for permission,

Interactive current order, Battery info. (CAN)

PCS

Report on operating condition,Prohibitation on start, Order for Charging →

(C) Copyright NISSAN MOTOR CO., LTD. 2011 All rights reserved.

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