Ev charging station

1. ARDUINO BASED
EV CHARGING STATION
Presented by:- AET students (48th batch)
AET,CTTC,BBSR

2. OUTLINES:-
1. Introduction
2. History of Electric Vehicle
3. Govt India Policy For EV Charging Station
4. Types of Charging System
5. EV Charging Protocols
6. Charging Mode
7. Hardware
8. Block diagram
9. Flowchart
10.Software
11.Advantages & Disadvantages
12.Conclusion
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3. INTRODUCTION
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 An electric vehicle charging station is equipment that connects an electric vehicle to a source of electricity to
recharge electric cars.
 Some charging stations have advanced features such as smart metering ,cellular capability and network
connectivity.
 Charging station are also called electric vehicle supply equipment (EVSE) .
 EVSE are provided in municipal parking location by electric utility company or at retail shopping centers by
private companies.
 These stations provided special charging connector for different vehicle.
 Fees for using EVSE vary from monthly or yearly flat rates to per k-Wh to hourly rate.
 Charging station can be free and subsidized by the local government.
 Different types of EVSE provided different speed of charging.

4. HISTORY OF EV CHARGING STATION
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 In 1910,introduced first 6 kW wattstation in US.
 The mercury rectifier was used to convert AC to DC at that time.
 In 1914, GM introduced the first DC charging station the “Electrant”.
 By the end 20th century, the united states introduced the 1772 plug and inductive coupler.
 In 21st century, five hole structure of AC/DC charging interface of CCS1 was gradually introduced.

5. GOVT.INDIA POLICY
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1.Tariff for supply of electricity for Public Charging Station (PCS) shall be a single part tariff and shall not exceed
“Average Cost of Supply” till 31st March, 2025.
2.DISCOMs may leverage on funding from the Revamped Distribution Sector Scheme (RDSS) under ‘Part A –
Distribution Infrastructure’ for the general upstream network augmentation necessitated due to the upcoming charging
infrastructure in various areas. The cost of such works carried out by the DISCOMs with the financial assistance from
Government of India under Revamped Scheme shall not be charged from the consumers for Public Charging Stations
for EVs.
3.Housing Societies, Malls, Office Complexes, Restaurants, Hotels, etc. are allowed to install PCS for charging of
vehicles including charging of visitor’s vehicles permitted to come in its premises.
4.Charging stations meant for 100% in-house/captive utilization are free to choose charging specifications as per
requirement.
5.DISCOMs have been directed to provide electricity connection to PCS in accordance with the timelines specified in
the “Electricity (Rights of Consumers) Rules 2020”.

6. AET,CTTC,BBSR
6.The connection for a PCS shall be provided within 7 days in metro cities, 15 days in other municipal areas and 30
days in rural areas. Appropriate Commission may specify a lesser time limit than the aforementioned limit.
7.Any PCS/chain of charging station may also obtain electricity from any generation company through open access.
Open access shall be provided within 15 days for this purpose. Only cross subsidy charges (not more than 20% as per
Tariff Policy Guidelines), transmission charges and wheeling charges shall be applicable.
8.Guidelines also include the details of requirements of Public Charging Infrastructure (PCI), PCI for long range EVs
and/or heavy duty EVs, Location of PCS, Database of Public EV charging stations, Tariff for supply of electricity to
EV PCS and service charge at PCS.
9.Due to high cost of rent for land and charges provision of land at promotional rates for PCS have been provided in
the Guidelines. Land available with Government/Public entities shall be provided to Government/Public entity on a
revenue sharing basis at a fixed rate of Re.1/kWh (used for charging) to be paid to the land owning agency, initially
for a period of 10 years
Continue…..

7. TYPES OF CHARGING SYSTEM
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Conductive charge Inductive charge Battery swap
 AC
 DC
 STATIC
 DYNAMIC

8. CONDUCTIVE CHARGE
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 EV uses a standard AC line
current or single-phase 230V
at 15 A .
 AC-DC power conversion takes
place in the vehicle .
 Similar technology as level 1 .
But can accept a more
powerful 1 phase line at 240
V 15-32 A & poly phase input
line 15-80 A .
 This reduces the charge lime
for a completely drained
battery to four hour .
 AC-DC power conversion
takes place in the charging
station , so it’s possible to
supply a high voltage DC line
to the battery to shorten
the charging time .
 They can supply anywhere
from 300-400 V at a
maximum of 400 A .
 The approximate charging
time will be around 30
minutes .
 Level 3 fast DC charging
stations are usually found in
public place.
LEVEL2 LEVEL 3
LEVEL 1

9. EV CHARGING PROTOCAL
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IEC 60309
Industrial Socket
used by Indian
e-Rickshaws,
Mahindra e2o,
Mahindra e2o Plus
P6
The Bharat EV
standard

10. CHARGING MODE
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LIMITED
CHARGING
• In limited charging mode we can select a limited amount for
charging . In this we have to enter the amount then it will start
charging . Then after reaching the enter amount it will stop
charging .
BATTERY
FULL
• In battery full mode we just put the charger in vehicle then it wii
be charge. Charging will stop after battery full charge. After that
it will generate a bill.

11. HARDWARE
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 Microcontroller –Atmega 2560
 Operating voltage – 5v
 I/P voltage -7-12 v
 Digital i/o pins – 54(15-PWM)
 Analog pins - 16
 DC current per i/o pins – 20 mA
 DC current for 3.3v pin -50mA
 Flash memory-256KB
 SRAM – 8KB
 EEPROM – 4KB
 Clock speed – 16 MHz
 Supply voltage – 3.75V to 6V
 Current when the relay is
active: ~70mA
 Relay maximum contact
voltage – 250VAC or 30VDC
 Relay maximum current – 10A
 Operating Voltage :4.7V-5.3V
 Current consumption :1mA w/b
 it can display alphabets and
numbers
 two rows can print 32
characters.
 Each character is build by a
5×8 pixel box
 Can work on both 8-bit and 4-
bit mode
 It can also display any custom
generated characters
 Available in Green and Blue
Backlight
 Operating Voltage:
5V DC
 I2C control using
PCF8574
 Can have 8 modules
on a single I2C bus
 I2C Address:
0X20~0X27

12. Continue….
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 Used to sense
Light
 Small, cheap and
easily available
 Available in PG5
,PG5-MP, PG12,
PG12-MP, PG20
and PG20-MP
series
 Single-phase
electricity
energy meter
 Resister
 Push
button
 Jumper wires

13. Continue….
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 Vero board
 Li-ion battery
 Buzzer
 Transformer
9-0-9 volt 1A
 Rectifier circuit

14. BLOCK DIAGRAM
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Arduino
mega
Energy
meter
Transfor
mer
Ldr
module
Relay
module
Load
Rectifier
circuit
Lcd
Switch

15. FLOWCHART
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start
EV CHARGING SYSTEM
1.LIMITED
2.BATTERY FUll
SHOW BATTERY STATUS
If 1
select
If 2
select
Display charging
Display enter
amount/time
Display final bill
stop
If
intrrupt
select

16. SOFTWARE
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17. 1. As India lack charging stations, it is good opportunity to young business aspirants to install charging station in
their locality.
2. Clean Air Commitment: As we know exhaust from gas diesel powered cars contain a mix of dangerous gases
which causes air pollution. Communities can take a decisive step towards cleaner air by shifting to zero
emission electric vehicles.
3. Increase in number of charging stations will boost the selling of EV’s as their will be reduced range anxiety.
4. Lower cost of driving for community which they will be delighted to pay.
5. As we know electricity rates are more stable than gasoline prices.
6. Cheaper to charge than to fill the tank.
7. Charging Stations for EV’s do not require any separate license for electricity transmission, distribution, or
trading as per provisions of Electricity Act 2003.
ADVANTAGE
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1. Its initial installation cost is high due to non-availability of equipment in India. But all investment get
recovered through charging station.
2. It derives large power from grid, which increase load regions with lack of power may not be able to handle
this load.
DISADVANTAGE

18. CONCLUSION
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 Arduino based EV charging stations are becoming increasingly popular due to their cost-
effectiveness and easy of use.
 Petrol or diesel vehicles are highly polluting and are being quickly replaced by fully electric
vehicles. Fully electric vehicles (EV) have zero tailpipe emissions and are much better for the
environment.
 Overall, Arduino based EV charging station are a great option for those who are looking for a
cost-effective transportations.

19. AET,CTTC,BBSR
Thank you