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Vector Informática Brasil Ltda.

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Vector Informática Brasil Ltda.

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Development software testing
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Vector North America

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Vector North America

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France

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Vector France S.A.S.

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Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

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Téléphone: +91 20 6634 6600

E-mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

Inde

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E-mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
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Shivaji Nagar, Pune 411003

Inde

Téléphone: +91 20 6634 6634

E-mail:

Vector Informatik India Pvt. Ltd. – Bengaluru office

Kalyani Solitaire 2nd & 3rd Floor
No.165/2, Krishna Raju Layout
Doraisanipalya, Off Bannerghatta Road

Bengaluru 560076

Inde

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Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
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Shivaji Nagar, Pune 411003

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VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

Suède

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VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

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VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

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VecScan AB

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417 55 Gothenburg

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VecScan AB

Teknikringen 9

SE-583 30 Linköping

Suède

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Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Allemagne

Téléphone: +49 711 80670-0

E-mail:

Address for Deliveries:
Motorstr. 56
70499 Stuttgart
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Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Allemagne

Téléphone: +49 711 80670 200

E-mail:

Business hours: Monday to Friday from 8:30 am to 5:00 pm (CET/CEST).

Online: https://portal.vector.com

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Allemagne

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Charging Interfaces

Innovative solutions are becoming increasingly available to make electric mobility mass-market-capable. An important part of this is the charging technology. In this context, the term smart charging is used for charging systems of electric or hybrid vehicles according to standards like ISO 15118 and DIN SPEC 70121.

In this know-how section essential knowledge about charging interfaces is presented.

Vector Solutions for Smart Charging

Vector supports developers of on-board charging ECUs in the vehicle, charging stations and induction charging systems with extensive test systems, hardware and bespoke ECU software. This helps you to develop quickly and cost effectively.

CCS Pinout

CPControl PilotThe CP is used for communication (exchange of control signals) between the EVSE and the EV. Using a 1 kHz square wave at ±12 V between the CP and PE line, the amplitude can be manipulated by the EV to control charging (PWM communication).
PPProximity Pin / Plug PresentThe PP can prevent movement while the EV is connected to the EVSE. The electric vehicle can only drive away when the charging plug is unplugged. In the Type-2 connector the PP is used for a detection of the charging cable load capacity. Both the charging station and the electric car can use the PP contact to see how much the connected charging cable may be loaded. In the Type-1 connector this pin is used for manually unlocking the plug.
CSConnection SignalIn older standard versions the PP of the Type-1 AC plug is called Connection Signal (CS) in IEC 62196 and Proximity Detection (PD) in SAE J1772.
PDProximity Detection
PEProtective EarthThe PE is a line that is earth grounded on the EVSE side. It is a way to deliver current to the earth in order to prevent electric shocks and it is used as reference pin for CP and PP.

AC Charging

It’s possible to charge EVs with alternating current (AC) and direct current (DC). Since the power that comes from the grid is always AC, it is necessary to convert AC to DC, because EVs can only store power as DC. For AC charging, the converter is built inside the EV. With the "on-board charger", the current is converted to DC inside the EV and then fed into the car’s battery. It is currently the most common charging method for electric vehicles.

  • Conductive AC charging capacity: up to 44 kW with a Type-2 connector

 

EVSE Connector Faces for AC Charging
AC Type-1 and Type-2The IEC 62196-2 Type-1 connector is based on the SAE J1772 standard, designed for single-phase alternating current from 6 to 32 A and thus allows charging capacities of up to 7.4 kW. The IEC 62196-2 Type-2 connector was developed for three-phase alternating current up to 63 A, i.e. charging capacities up to 44 kW. A single-phase charging process can also be carried out via the Type-2 connector, in this case the contact pins L2 and L3 are not used. Therefore, it is easy to adapt between Type-1 and Type-2 plugs.
AC GB/TThe AC GB/T 20234.2 standard enables both single- and three-phase charging in charging mode 3. It is built up analogous to the AC Type-2 plug.
TeslaA Tesla is charged with AC and DC superchargers, but in the EU, it is also possible to charge the EV with a three-phase AC Type-2 charger.

 

DC Charging

Unlike AC chargers, the converter for DC chargers is located "off-board", e.g. inside the charging station itself. That means it can feed power directly to the car's battery. This method enables very fast charging, which is why it will play a major role for EV fleet vehicles, such as electric buses, pool cars, logistic and transport vehicles.

  • Conductive DC charging capacity: up to 400 kW with a CCS Type-2 connector (CharIN is currently developing a megawatt charger with up to 3 MW)

 

EVSE Connector Faces for DC Charging
DC GB/TAC and DC charging plugs have different pins, which is why separate AC and DC inlets are required in the vehicle. For DC charging, the communication protocol is defined by GB/T 27930. It is used exclusively in China.
CHAdeMOSimilar to GB/T, CHAdeMO 2.0 uses CAN for the DC charging communication. It is used in Japan and mainly by Japanese OEMs outside of Japan.
ChaoJiThe new CHAdeMO specification 3.0, the so-called ChaoJi (a harmonization of GB/T and CHAdeMO), was published in 2020. This version additionally offers up to 500 kW and a GB/T compatibility, as the plug was developed together with the GB/T charging standard.
TeslaThe Tesla Supercharger uses a proprietary communication protocol which enables the charging process. In the EU, Tesla has switched to the CCS Type-2 connector face, because of the 2014/94 EU standard.

 

Combined Charging System

CCS Type-1 & CCS Type-2The Combined Charging System (CCS) is the extension for the AC Type-1 and Type-2 plug for high DC charging capacities, which additionally has two large power contacts. Compared to the AC versions, the CP, PP and PE pins are also used, and the plug is expanded by positive and negative contacts. For a high-level communication for smart charging, a powerline communication (PLC) is overlaid on the CP.

CCS Authorization

External Identification Means (EIM)

EIM is an identification method that requires additional user interaction or other identification operations. This can be a smartphone app, credit card, RFID card or a license plate scanning at a charging station.

 

Autocharge

With this user-friendly authorization method, the EV is authorized using its vehicle ID. When the EV is connected to the charging station with the charging cable, the EV sends its media access control (MAC) address to the charging station. The charging station uses an open charge point protocol (OCPP) request to send the data to the charging station management system (CSMS) where the address is matched with an address list. A successful match sends an authorization response back to the charging station and an unsuccessful match sends an error state. Autocharge is mostly used in closed charging depots rather than at public charging stations, due to security concerns.

 

Plug and Charge (PnC)

The Plug and Charge authorization technique only requires the driver to plug the charging cable into the EV and the EV will be automatically identified and authorized to charge. The method works with an asymmetric key algorithm, that uses a key pair with a private and a public key. Both keys are linked in such a way that an encrypted message can only be decrypted with the corresponding key. The implementation of the public key infrastructure (PKI) and the certificate handling is required.

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Electric Vehicle Charging Communication Know-How Chart in DIN A1 format, folded to DIN A4

Order the Vector Electric Vehicle Chart. The clearly structured Poster in DIN A1 format gives you important technical details on Charging Communication. Among other things, the unique poster illustrates the following topics:

  • Electric Charging Use Cases
  • Charging Methods
  • Charging Interfaces
  • Standards and Protocols
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Related Pages

More Smart Charging Know-How

Charging Types and Methods
Introduction to different types of charging like AC, DC and inductive charging as well as various charging methods.
Communication Protocols
The communication between the EV and the EVSE is divided into low-level communication, high-level communication and value added services.
Charging Standards
Overview of both international and national charging standards, such as IEC 62196, ISO 15118, GB/T 27930, CHAdeMO and OCPP.