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Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is EV Charger?
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger• EV Charger is charging device for electrical vehicles, it is similar to
the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• EV Charger is charging device for electrical vehicles, it is similar to the fuel dispenser in the gas station, it can be fixed on the floor or wall, installed in public building and residential communities or charging station, can be used for charging different type EV according to different voltage classes.
What is the EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• By installation method• Wall-mounted• Floor-standing
Classification of EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• By installation method• Wall-mounted• Floor-standing
• By installation site• Public• Special
Classification of EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• By installation method• Wall-mounted• Floor-standing
• By installation site• Public• Special
• By the number of charging interface• Single• Multiple
Classification of EV charger
Kehua Tech- Power Conversion Specialist
Basic of EV charger
• By installation method• Wall-mounted• Floor-standing
• By installation site• Public• Special
• By the number of charging interface• Single• Multiple
• By charging mode• DC charger• AC charger
Classification of EV charger
Why? DC or AC?
Kehua Tech- Power Conversion Specialist
Basic of EV chargerThe main parts of EV
High Voltage
Electrical BoxChargin
g Interfac
e
ChargerAC/DC
Power Batterie
s
BMS
Motor Controlle
r
Driving Moter
DC AC
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principle
High Voltage
Electrical BoxChargin
g Interfac
e
ChargerAC/DC
Power Batterie
s
BMS
Motor Controlle
r
Driving Moter
DC AC
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principle
High Voltage
Electrical BoxChargin
g Interfac
e
ChargerAC/DC
Power Batterie
s
BMS
DC AC
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principle
High Voltage
Electrical Box
ChargerAC/DC
Power Batterie
s
BMS
DC AC
DC AC
System Diagram
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principle
High Voltage
Electrical Box
ChargerAC/DC
Power Batterie
s
BMS
DC AC
DC
DC Charging
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principle
High Voltage
Electrical Box
ChargerAC/DC
Power Batterie
s
BMS
DC AC
AC
AC Charging
Kehua Tech- Power Conversion Specialist
Basic of EV chargerEV charging principleDC Charging block diagram
Charging Time normally 1-2hours
DCSource
DCChargingInterface
High VoltageElectrical Box
PowerBatteries
BMS
DC Charging block diagram
Charging Time normally 7-10hours
ACSource
ACChargingInterface
High VoltageElectrical Box
PowerBatteries
BMS
Charger
Fast charging
Slow charging
Kehua Tech- Power Conversion Specialist
EV charging products
• Wall-mounted AC charger– Single Port
• Floor-standing AC charger– Single Port– Double Port
AC Charging products
Kehua Tech- Power Conversion Specialist
EV charging productsWall-mounted AC chargerSpecification Parameter
Input Voltage AC 220V±15%Input frequency 50Hz±1HzOutput voltage AC 220V±15%Output current 16/32A
Displayer 7‘ TFT LED touch screenCharging Interface 1
Com. interface RS232/RS485/CAN/Ethernet optional
Fee charging interface
RFID Card 、 IC card 、 CPU card, etc.
IP level IP54Working Temp. -20℃ ~ +50℃Storage Temp. -20℃ ~ +70℃
Relative Humidity 5%~95%Dimension 400×200×650mm
Kehua Tech- Power Conversion Specialist
EV charging productsFloor-standing AC charger
Specification Single port Double ports
Input VoltageAC 380V±15% ( 3phase 4
wire ) AC
220/380V±15%( 3phase 4 wire )
Input frequency 50Hz±1Hz
Output voltageAC 380V±15% ( 3phase 4
wire ) AC
220/380V±15%( 3phase 4 wire )
Output current 16/32ADisplayer 7‘ TFT LED touch screen
Charging Interface 1 2
Com. interface RS232/RS485/CAN/Ethernet optional
Fee charging interface
RFID Card 、 IC card 、 CPU card, etc.
IP level IP54Working Temp. -20℃ ~ +50℃Storage Temp. -20℃ ~ +70℃
Relative Humidity 5%~95%Dimension 400×270×1460mm
Kehua Tech- Power Conversion Specialist
EV charging products
• Split DC charger
• Integrate DC charger
• Integrate DC/AC charger
DC charging products• DC charging cabinet
Kehua Tech- Power Conversion Specialist
EV charging products
• Split DC charger
• 一体式直流 充电机
• 交直流充电一体机
DC charging products• DC charging cabinet
Kehua Tech- Power Conversion Specialist
EV charging products
• Split DC charger– DC single port– DC double ports
• Integrate DC charger– DC single port– DC double ports
• Integrate DC/AC Charger
DC charging products• DC charging cabinet
Kehua Tech- Power Conversion Specialist
EV charging productsSplit DC charger
Specification Single port Double Ports
Remark
Aux. powerInput voltage AC 220V±15%
Aux. powerInput frequency 50Hz±1Hz
Output voltage DC 750V max *Output current 250A max/Port *
Displayer 7‘ TFT LED touch screenCharging Interface 1 2
Com. interface RS232/RS485/CAN/Ethernet optional
IP level IP54Working Temp. -20℃ ~ +50℃Storage Temp. -20℃ ~ +70℃
Relative Humidity 5%~95%
Dimension 450×300×1560mm
500×300×1560mm
Kehua Tech- Power Conversion Specialist
EV charging products
Specification ZL502-M25
ZL602-M20
ZL702-M20
Rated output current 25A 20A 20APower 12.5kW 14kW 14kwCooling Mode Forced air coolingInput voltage 260VAC~530VACOutput voltage (Setting) 250~450
VDC450~750
VDC250~750
VDCRegulation accuracy ≤±0.5%Output voltage error ≤±0.5%Efficiency 94.5%Working Temp. -20℃ ~ +50℃Storage Temp. -40℃ ~ +60℃Relative Humidity 0%~90%Charging module dimension 493×464×88mm Charging cabinet dimension 600×800×2000mmCabinet Max capacity 12 Charging modules /150kW
DC charging cabinet and its module
······
Kehua Tech- Power Conversion Specialist
EV charging productsIntegrate DC charger
Specification Single port Double ports
Input voltage AC 380V±15% ( 3phase 4 wire ) Input frequency 50Hz±1Hz
Output voltageDC 200V~450V/DC
450V~750V/DC 250V~750V (optional)
Rated output Power 60kW/100kW (optional)Charging Interface 1 2
Com. interface CAN, reserve GPRS, Ethernet interface, extensible
IP level IP54Working Temp. -20℃ ~ +50℃Storage Temp. -20℃ ~ +70℃
Relative Humidity 5%~95%
Dimension700×600×190
0mm
900×800×1900mm
Kehua Tech- Power Conversion Specialist
EV charging productsIntegrate DC/AC Charger
Specification DC side AC sideInput Voltage AC 380V±15% ( 3phase 4 wire )
Input frequency 50Hz±1Hz
Output voltage 750VDC max ( DC ) AC 380V±15% ( AC )
Output current 250A max ( DC ) 32A ( AC )Voltage Regulation ≤±0.5%Current Regulation ≤±1%
Ripple ≤0.5%PF ≥0.99 ( Full load )
Efficiency > 94% ( Full load )
Working Temp. -20℃ ~ +50℃Storage Temp. -20℃ ~ +70℃
Relative Humidity 5%~95%IP level IP54
Protection Leakage protection, short-circuit protection, over current, over / low voltage protection, etc
Dimension 400×200×650mm
Kehua Tech- Power Conversion Specialist
CONTENTS
Basic of EV charger
EV Charging products
EV charging solutions
Kehua Tech- Power Conversion Specialist
EV charging solutions
Five charging solutions
• City station
• Hotel and car park EV charging station
• Highway electric vehicle charging station
• Household electric vehicle charging pile
• Hybrid streetlights charging station
Kehua Tech- Power Conversion Specialist
EV charging solutionsHighway electric vehicle charging
station
Kehua Tech- Power Conversion Specialist
EV charging solutionsHousehold electric vehicle charging
pile
Kehua Tech- Power Conversion Specialist
EV charging solutions
Monitoring Solution• Monitoring system architecture
– Network-level monitoring– Station-level monitoring– Device-level monitoring
• Monitoring system function– Dynamic environment
monitoring– Accounting function– Cellphone application
Kehua Tech- Power Conversion Specialist
EV charging solutions
Monitoring Solution• Monitoring system architecture
– Network-level monitoring– Station-level monitoring– Device-level monitoring
• Monitoring system function– Dynamic environment monitoring– Accounting function– Cellphone application
Kehua Tech- Power Conversion Specialist
EV charging solutionsCellphone application• Position and navigation
Kehua Tech- Power Conversion Specialist
EV charging solutionsCellphone application• Position and navigation• Free devices
Kehua Tech- Power Conversion Specialist
EV charging solutionsCell phone application• Position and navigation• Free devices• Charging page
Kehua Tech- Power Conversion Specialist
EV charging solutionsSystem solutions
City station Hotel and car park
EV charging station
Highway EV
charging station
Household EV
charging pile
Hybrid streetligh
ts charging station
Monitoring solution
Kehua Tech- Power Conversion Specialist
CONTENTS
Basic of EV charger
EV Charging products
EV charging solutions
Face to overseas market
Kehua Tech- Power Conversion Specialist
Face to overseas marketCharging Station construction
procedure
Kehua Tech- Power Conversion Specialist
Face to overseas market
• Different operating interface language is different• Different voltage grade and frequency • Different charging standard
– Different Charging Interface shapes– Different Charging current standard– Different Charging Interface port definition– Different DC charging communication protocol
Face problem in overseas market
Kehua Tech- Power Conversion Specialist
Face to overseas market
Type1 Type2 JP GBUS EU JP CN
AC
SAE J1772 / IEC 62196-2 ICE62196-2 IEC62196-2 GBT 20234.2-2011
DC
IEC 62196-3 IEC 62196-3 CHAdeMO / IEC 62196-3 GBT 20234.3-2011
Com
SAE J1772 / IEC 62196-3 IEC 62196-3
Charging Interface shapes
お茶でも飲んでる 間に充電……
COMBO1 COMBO2
Kehua Tech- Power Conversion Specialist
Face to overseas market
Charging Voltage and current standards• China GB/T 20234
– Max AC source : 250/440V 50Hz ; 16/32A– Max DC source : 750V ; 120A/250A
• US SAE J1772– Max AC source : 120V ; 80A– DC level one: 500V ; 80A– DC level two: 500V ; 200A
• International ICE 62196– AC TYPE1 :250V,32A ;– TYPE2 250V 70A single phase ; 480V 63A 3 phase
Kehua Tech- Power Conversion Specialist
Face to overseas market
Type1 Type2 JP GBUS EU JP CN
AC
SAE J1772 / IEC 62196-2 ICE62196-2 IEC62196-2 GBT 20234.2-2011
DC
IEC 62196-3 IEC 62196-3 CHAdeMO / IEC 62196-3 GBT 20234.3-2011
COM
SAE J1772 / IEC 62196-3 IEC 62196-3
DC charging communication protocol
Protocol: PLC Protocol : PLC Protocol : CAN Protocol : CAN
Kehua Tech- Power Conversion Specialist
Face to overseas market
• Develop new language interface for target market• Voltage classes and frequency in target market• EV Charging Interface standard in target market• The communication protocol between EV and EV charger • The climate conditions in the target market• The customer requirement at the range of charging voltage• Authentication requirement• Other requirement of EV charger
Important information requirement
Kehua Tech- Power Conversion Specialist
Our Goal
World Top-Class Integrated power protection and conservationsolutions provider
Kehua Tech- Power Conversion Specialist
• Xiamen Kehua Hengsheng Co., Ltd.
Phone: +86-592-5902700
Address: NO. 457, Malong road, Torch High-Tech
industrial Development Zone, Xiamen,
Fujian, China, 363000
• Zhangzhou Kehua Technology Co., Ltd.
Phone: +86-0596-2673217
Address: Beidou Industrial Zone, Jingfeng Industrial
District, Zhangzhou, Fujian, China, 361006
Contact
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