epic slides jing jdeng
TRANSCRIPT
energy, power & intelligent control
A platform for Integrated EV charging and discharging
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Dr Jing Deng
EPIC Research Cluster
energy, power & intelligent control
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energy, power & intelligent control
Lithium Ion Cells – format
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Voltage: 2.5V – 4.2VCapacity: 50mAH – 400AHTemperature:
Charging: 0 °C → +45°CDischarging: -20°C → +55°C
cylindrical cell pouch cell prismatic cell
energy, power & intelligent control
Lithium Ion Cells – Current EVs and their used batteries
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Nissian Leaf EV Chevrolet Volt Renault Fluence
Subaru G4e BYD E6
Tesla Model S Honda Fit EV
LMO
BMW i3
LMO LMO
LVPLFP
LCONMC
LFP
energy, power & intelligent control
Lithium Ion Cells – inside a battery
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energy, power & intelligent control
1. Structure of EV lab at QUB
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energy, power & intelligent control
1. Structure of EV lab at QUB
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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
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Vehicle: Speed, acceleration, GPS, driving distance, Battery: Voltage, current, temperatureCharging: Time, duration, currentEnvironment: Weather, Temperature, humidity
Charging: Time, duration, current, powerEnvironment: Weather, Temperature, humidity
Data server
energy, power & intelligent control
2. Wireless monitoring and control
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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.
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AC/DC converterDC/AC inverter
BatteryPack
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 ?
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Dr Jing Deng
EPIC Research Cluster