energy, power
& intelligent control
A platform for Integrated EV charging and
discharging
1
Dr Jing Deng
EPIC Research Cluster
j.deng@qub.ac.uk
energy, power
& intelligent control
2
energy, power
& intelligent control
Lithium Ion Cells – format
3
Voltage: 2.5V – 4.2V
Capacity: 50mAH – 400AH
Temperature:
Charging: 0 °C → +45°C
Discharging: -20°C → +55°C
cylindrical cell pouch cell prismatic cell
energy, power
& intelligent control
Lithium Ion Cells –Current EVs and their used batteries
4
Nissian Leaf EV Chevrolet Volt Renault Fluence
Subaru G4e BYD E6
Tesla Model S Honda Fit EV
LMO
BMW i3
LMO LMO
LVP
LFP
LCO
NMC
LFP
energy, power
& intelligent control
Lithium Ion Cells – inside a battery
5
energy, power
& intelligent control
1. Structure of EV lab at QUB
6
energy, power
& intelligent control
1. Structure of EV lab at QUB
7
G-Wiz electric car
• DimensionsL 2.6m, W 1.3m, H 1.6m
• Motor power: 6kW continuous
• Weight: 400 kg excl batteries
• Battery: 200AH, 48V, Lead-acid
• Range: 48 miles
Modification: Li-ion battery, BMS, wireless communication, standard charging plug
energy, power
& intelligent control
2. Wireless monitoring and control
8
Vehicle: Speed,
acceleration, GPS, driving
distance,
Battery: Voltage, current,
temperature
Charging: Time, duration,
current
Environment: Weather,
Temperature, humidity
Charging: Time, duration,
current, power
Environment: Weather,
Temperature, humidity
Data server
energy, power
& intelligent control
2. Wireless monitoring and control
9
Analog input module Communication module Voltage and current module Relay signal module
Digital input/output module Temperature module BMS module Protocol converter module
Interface card for main controller
energy, power
& intelligent control
3. AC micro grid platform for research on inertial response.
10
AC/DC
converter
DC/AC
inverter
Battery
Pack
AC/DC converter
AC Load
DC Load
Control the charge
and discharge of li-ion
battery to provide
ancillary service of
inertial response
PMU
energy, power
& intelligent control
Questions ?
11
Dr Jing Deng
EPIC Research Cluster
j.deng@qub.ac.uk

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Epic slides jing jdeng

  • 1. energy, power & intelligent control A platform for Integrated EV charging and discharging 1 Dr Jing Deng EPIC Research Cluster j.deng@qub.ac.uk
  • 3. energy, power & intelligent control Lithium Ion Cells – format 3 Voltage: 2.5V – 4.2V Capacity: 50mAH – 400AH Temperature: Charging: 0 °C → +45°C Discharging: -20°C → +55°C cylindrical cell pouch cell prismatic cell
  • 4. energy, power & intelligent control Lithium Ion Cells –Current EVs and their used batteries 4 Nissian Leaf EV Chevrolet Volt Renault Fluence Subaru G4e BYD E6 Tesla Model S Honda Fit EV LMO BMW i3 LMO LMO LVP LFP LCO NMC LFP
  • 5. energy, power & intelligent control Lithium Ion Cells – inside a battery 5
  • 6. energy, power & intelligent control 1. Structure of EV lab at QUB 6
  • 7. energy, power & intelligent control 1. Structure of EV lab at QUB 7 G-Wiz electric car • DimensionsL 2.6m, W 1.3m, H 1.6m • Motor power: 6kW continuous • Weight: 400 kg excl batteries • Battery: 200AH, 48V, Lead-acid • Range: 48 miles Modification: Li-ion battery, BMS, wireless communication, standard charging plug
  • 8. energy, power & intelligent control 2. Wireless monitoring and control 8 Vehicle: Speed, acceleration, GPS, driving distance, Battery: Voltage, current, temperature Charging: Time, duration, current Environment: Weather, Temperature, humidity Charging: Time, duration, current, power Environment: Weather, Temperature, humidity Data server
  • 9. energy, power & intelligent control 2. Wireless monitoring and control 9 Analog input module Communication module Voltage and current module Relay signal module Digital input/output module Temperature module BMS module Protocol converter module Interface card for main controller
  • 10. energy, power & intelligent control 3. AC micro grid platform for research on inertial response. 10 AC/DC converter DC/AC inverter Battery Pack AC/DC converter AC Load DC Load Control the charge and discharge of li-ion battery to provide ancillary service of inertial response PMU
  • 11. energy, power & intelligent control Questions ? 11 Dr Jing Deng EPIC Research Cluster j.deng@qub.ac.uk