EV Charging Infrastructure and Station

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• Electrical Safety

  Charging solutions must be designed and manufactured to comply with the relevant electrical safety standards and guidelines. This includes the integration of safety features such as earth fault protection, overcurrent protection, and insulation systems to prevent electric shocks.

  The aim is to make the product safe for both the user and the environment. By implementing appropriate safety measures and adhering to regulations, manufacturers can ensure the safe and reliable operation of their products.  

   

   

• Interoperability

  Interoperability refers to the ability of EVs from different manufacturers to charge at different charging points, regardless of make or model. It promotes a seamless and hassle-free charging experience for EV drivers.

  Our interoperability service helps suppliers ensure their charging stations are fully compatible with a variety of EV models and charging standards.

• Bidirectional Charging / V2G

  Vehicle-to-grid (V2G) technology allows electric vehicles to not only charge from the grid, but also return their stored energy to the grid - creating a two-way flow of electricity.

  We offer a range of services to support in the implementation of Vehicle-to-Grid (V2G) and Bidirectional Charging systems. Our team of experts is equipped to assist with all aspects of these technologies, from initial design and testing to final deployment.

  By conducting comprehensive testing, we can help you to reduce development costs, improve product performance, meet regulatory requirements, and gain a competitive edge in the marketplace.

• Environmental testing

  Environmental testing is also an important consideration when it comes to EV charging infrastructure solutions. It needs to be designed and tested to ensure durability and resistance to environmental factors such as temperature, humidity, and vibration.

  Environmental testing can help identify potential weaknesses in design and materials that could lead to malfunction or failure. For example, extreme temperatures or humidity can affect the integrity of electrical components and wiring, leading to safety hazards and potential damage to electric vehicles.

• EMC Directive 2014/30/EU

  At TÜV SÜD, our experts are well-versed in the EU standards and guidelines governing EMC Directive 2014/30/EU.

  We provide comprehensive support to manufacturers to ensure that the product meets the required immunity and emission requirements and limit values.

  Our preliminary tests during the development phase help to integrate EMC measures early on and at a cost-effective rate. Our EMC services include immunity and emission tests, as well as electromagnetic field testing for personal protection, and evaluation of harmonics and other network disturbances.

• What are the challenges for EV charging station manufacturers and operators?

  One of the biggest challenges for EV charging infrastructure suppliers is navigating the complex certification and testing requirements across different jurisdictions, adding to their regulatory burden.

  • To meet the international standards and regulatory requirements for safety and quality
  • Achieving interoperability and conformity of technology and products with local electricity supplies, guaranteeing seamless integration and optimal functionality
  • Environmental factors/extreme weather like heavy rain or wind and extreme temperatures
  • Cybersecurity threats, due to hacker attacks
  • Managing the certification process
  • Costly and time-consuming processes to enter the market
• What is charging infrastructure testing?

  Charging infrastructure testing is the process of evaluating the performance, safety, compatibility and compliance of EV charging stations and connected elements. It contains various tests and inspections, as well as certifications to ensure that the charging infrastructure meets industry standards and regulatory requirements.

• Who should consider charging infrastructure testing services?

  Charging infrastructure testing services are essential for various stakeholders involved in the development, installation, operation, or regulation of EV charging stations.

  This includes EV charging station manufacturers, contractors, charge point operators, installers, utilities, regulators, and facility owners/operators who are seeking compliance, safety, and optimal charging infrastructure performance.

• What types of tests are performed during charging infrastructure testing?

  Testing of charging infrastructure includes a wide range of tests, such as:

  • Electrical safety
  • Charging performance testing
  • Compatibility testing
  • Communication protocols
  • Electromagnetic compatibility (EMC) testing
  • Insulation resistance
  • Leakage current
  • Grounding resistance

  These tests determine whether the charging infrastructure complies with the relevant standards and regulations. This includes, among other things, EV chargers testing and EV charging stations testing.  

   

   

   

• How long does charging infrastructure testing typically take?

  The time required to test a charging infrastructure depends on several factors.
  These factors are the complexity of the infrastructure, the number of tests needed and the specific requirements of the project.

  Depending on the scope and scale of the testing process, testing timelines can range from several weeks to several months. Based on the specific project requirements, we can provide a more accurate estimate.

• What are the relevant standards for EVSE?

  Testing of the charging station and components in accordance with the most relevant global standards, including but not limited to:

  Standard	Content
  Charging poles / stations / wallboxes
  IEC / EN 61851-1	AC charging station
  IEC / EN 61851-1 and -23	DC charging station
  GB / T 18487.1	AC and DC charging stations
  UL 2594	AC charging station
  UL 2202	DC charging station
  UL 2231-1 and -2	Personnel protection systems for EV supply circuits
  EN 17186	Identification of vehicles and infrastructures compatibility
  In-cable control protective devices & on-board charger
  IEC / EN 62752	ICCPD
  UL 2594	ICCPD
  EN 17186	Identification of vehicles and infrastructures     compatibility
  ISO 6469-3	Electrical safety of EV
  ISO 17409	Connection to an external electric power supply
  UL 2202	On-board charging equipment
  Wireless charging
  IEC 61980-1 + IEC TS 61980-3	Inductive wireless charging
  UL OOI 2750	Outline of investigation for inductive charging     systems
  SAE J 2594	Wireless power transfer and alignment     methodology
  GB / T 38775 series of standards	Wireless charging system requirements
  Communication
  DIN SPEC 70121	Digital communication for DC charging stations
  ISO 15118 series of standards	Vehicle to grid communication interface
  OCPP 1.5 / 1.6 / 2.0	Open charge point protocol
  GB / T 27930	Digital communication for DC charging stations
  Connectors and other components (examples)
  IEC / EN 62196 series of standards	Charging couplers
  SAE J 1772	Charging couplers
  UL 2251	Charging couplers
  GB / T 20234 series of standards	Charging couplers
  IEC 62955	RDC-DD for Mode 3 chargers
  IEC / EN 62477-1	Power electronic converter systems
  Grid connection guidelines
  EN 50549-1 and -2	European grid code standard
  VDE-AR-N 4100, 4105 and 4110	Grid connection guidelines for Germany
  CEI 0-16 and 0-21	Grid connection guidelines for Italy