Issuu on Google+

Click to edit Master title style • • • • •

Click to edit Master text styles Mitsubishi i-MiEV Second level Technical Highlights Third level Fourth level Fifth level Ashley Sanders i-MiEV Project Manager


What is i-MiEV ?


What is i-MiEV?

Mitsubishi innovative Electric Vehicle


What is i-MiEV? Range : up to 160kms Top speed : 130kph Rapid acceleration


What makes it so special?


Battery Technology


Battery Technology


Research & Development


Japanese Research & Development

Chugoku

Hokuriku

Hokkaido

Kyushu

Tokyo

Okinawa

Kansai


International Research & Development Iceland Europe

Canada Japan

Australia

USA

New Zealand


MiEV Operating System


MiEV Operating System


• Battery Technology • Research & Development • MiEV Operating System (MiEV OS)


Technical Highlights


Technical Highlights

• History of Mitsubishi EVs • i-MiEV Technical Features


History of Mitsubishi’s Electric Vehicles

• First Mitsubishi EV 1971 • MMC produced 150 vehicles

Minica Van EV


History of Mitsubishi’s Electric Vehicles • Long History: EV R&D from the late 1960’s • New Era: Announcement of MiEV Project in October 2006 1970

1980

1990

2000

2010

Response to Air Pollution Response to Global Warming Response to Oil Dependency

Mini Cab EV

Libero EV

Public and private R&D on Evs commenced Lead-Acid battery

FTO EV

Law for Zero-Emission Vehicles (ZEV) took effect in the USA

Lancer Evo MiEV

i MiEV

Kyoto Protocol came into effect Towards an oil-independent society Lithium Ion Battery

PX-MiEV


Battery mass as a percentage of vehicle mass is a compromise between space for packaging and cruising distance

Battery Weight / Vehicle Weight x100%

Development History of EV Battery 100

80

60

Open type Lead Battery Lead battery for EV

40

Nickel Hydride battery 20

Lithium-ion Battery

0 1990

2000

Less than 20%

Practical zone 2010


kg/kw

EV Motor with High Power

80

Vehicle weight/ /Motor output

Development History of EV Motor

60 Direct-current Motor Induction Motor

40

20

PWR requirement zone for current i-car Permanent magnet Motor

0 1990

2000

2010


EV Fundamentals


Environmental Considerations EV is: • The most efficient in well-to-wheel energy use: • the lowest in CO2 emission; • the most cost efficient and • minimizes noise pollution


Total Energy Efficiency EV is the most energy efficient (well to wheel *1) "Well to Wheel" Efficiency Summary FCHV (curernt) FCHV (future)

Vehicle Type

Petrol Petrol HV Diesel Diesel HV CNG Battery EV 0.00

1.00

2.00

3.00

Input Primary energy - MJ/km (10.15 mode)

*1 Total life cycle energy use (well to wheel) Based on Electric Power supply mix in Japan

Source: Japanese Hydrogen and Fuel Cell Development Project (2005)


CO2 EMISSION CO2 emission from EV is: "Well to Wheel" CO2 Emission Summary

• < ¼ of equivalent petrol vehicle • lower than all other currently foreseeable technologies

FCHV (future)

Petrol Vehicle Type

• < ½ of petrol Hybrid EV

FCHV (curernt)

Petrol HV

Diesel

Diesel HV

CNG

Battery EV 0

• ZERO when charged from renewable energy sources

50

100

150

200

Total CO2 emission g-CO2/km (10.15 mode)

*1 Total life cycle CO2 Emission (well to wheel) Based on Electric Power supply mix in Japan

Source: Japanese Hydrogen and Fuel Cell Develo pment Project (20 05)


Energy Economy Cost per 100km

Running cost of EV: • ⅓ cost of petrol vehicle

Cost: 1/3 i-MiEV (daytime) Cost: 1/9 (night time)

• ½ cost of petrol HEV •

cost of petrol vehicle when charged at overnight rates

i Petrol Petrol HEV (Competitor's) ¥ /100km


Drive By Noise Level

Drive-by Noise Level (WOT acceleration from 50kph)

EV is quiet when compared with internal combustion engined vehicles

5dB reduction i-MiEV i Petrol

Noise (dB-A)


i-MiEV Technical Features


i-MiEV Packaging Roomy cabin space is retained, easily seating four adults, with normal luggage space


i-MiEV Packaging Petrol i, the base variant, features rear-midship layout Engine & Transmission

Fuel Tank


i-MiEV Packaging For i-MiEV, the EV hardware is installed under the floor Inverter (MCU)

Charger

Motor Lithium-ion Battery


Lithium Ion Battery High capacity battery module (16kWh) is located under the un-modified floor panel Batteries can be mounted vertically or transversely Service Plug (under the passenger’s seat) )

Cell

Module

Battery Package


Electric Motor Small, high efficiency motor technologies Sportier and quieter driving than equivalent petrol engined vehicle i-MiEV

Petrol i

Max.Output

47kW

47kW

Max.Torque

180Nm

94Nm

Max.Speed

8500rpm

7500rpm

Type

Permanent magnet synchronous AC

Turbocharged


Electric Motor Torque Characteristic

Acceleration 0 ~ 80 kph 1.5 sec faster i-MiEV i Gasoline

Time


Power Train Rear No conventional transmission required due to high torque of electric motor No clutch between motor and reduction gear box No reverse gear


Control System

On-Board Charger (OBC) (Household charger) & DC-DC Converter

Motor Control Unit (MCU) Inverter


Control System OBC (Household charger) & DC-DC Converter

Charger AC100V~260V, Single phase, 15A DC â&#x20AC;&#x201C; DC Converter - Max. Output Current: 80A

Motor Control Unit (MCU) Inverter

Converts battery DCV to 3 phase ACV required for the EV motor


Driving Modes Three driving modes are provided • D Range achieves optimum performance • E (Economy) Range reduces motor power and fuel consumption • B (Brake) Range increases brake regeneration force during deceleration Indicator lamp

Eco( (Economy) ) Range

Shift panel

B( (Brake) )Range

Combination meter


Home Charge System • • • •

High Voltage battery system is charged from domestic power outlet Charger cable supplied with the vehicle Home charging requires 240V 15A Charge time is approx 7 hours

Charge Cable

Vehicle Coupler

Vehicle Charging


Quick Charge System Battery system can also be charged with quick charge system developed by TEPCO Charge time is reduced to approx 30 minutes for 80% full charge Japanese Quick charger system is 3-phase, 200V 50kW

i-MiEV Quick charger plug


HVAC - Air Conditioning System Evaporator inside HVAC Unit

A/C compressor is driven by electric motor incorporating its own high voltage inverter A/C compressor oil is special oil with high voltage insulation characteristic

Condenser

Electric A/C compressor with inverter


HVAC - Heating System Condense Tank

HVAC Heating System is separated from the Drive motor & MCU cooling system.

Heater Core inside HVAC unit

Electric Heater driven by High Voltage

Long Life Coolant utilised. (Volume: 2.3L)

Electric water pump driven by 12V service battery


Dimensions and Specifications Overall Length x Width x Height

3395 x 1475 x 1600 mm

Curb Weight

1080 kg

Seating Capacity

4

Max. Speed

130 km/h

Cruising Distance with a Single Charge (10・ ・15 mode)

160 km*

2010MY production vehicle i-MiEV specification

Motor

Type

Permanent magnet synchronous

Max. Output

47 kW

Max. Torque

180 N・ ・m

Drive System

Battery

Rear wheel drive

Type

Lithium-ion

Total Voltage

330 V

Total Energy

16 kWh


Awards 2009 Japan Automotive Hall of Fame "Car Technology of the Year" Award MiEV OS for • • •

Integrated control technology for a mass-produced electric vehicle 3-way charging system for the lithium-ion drive battery Development of the compact, lightweight, and high-efficiency motor


Mitsubishi i-MiEV