The IEC 61851-3 standard, also known as "Electric Vehicle Conductive Charging System - Part 3: DC chargers for electric vehicles," is a technical specification developed by the International Electrotechnical Commission (IEC). The third edition of this standard was released in 2017 and serves as a reference for the design and manufacturing of DC charging systems used for electric vehicles (EVs).
Main Features of IEC 61851-3rd Edition 2017
The primary objective of IEC 61851-3rd edition 2017 is to ensure compatibility and interoperability between EVs and their associated charging infrastructure. This standard defines the requirements for the charging equipment, ensuring the safety and reliability of the charging process.
Key features of the IEC 61851-3rd edition 2017 include:
Charging Modes: It specifies various charging modes such as Mode 1, Mode 2, Mode 3, and Mode 4, each with different safety and operational characteristics.
Connector Types: The standard provides details on the different connector types applicable for DC charging, including the physical characteristics and communication protocols.
Power Transfer: It sets requirements for the power transfer between the EV and the charging station, ensuring efficient energy transfer while considering factors like voltage, current, and power factor.
Safety Considerations: The standard outlines safety requirements regarding protection against electrical hazards, fire risks, electromagnetic compatibility, and fault conditions.
Communication Protocol: It defines the communication protocols between the EV and the charging station, ensuring reliable data exchange for charging control and monitoring.
Benefits and Impact of IEC 61851-3rd Edition 2017
The release of the third edition of IEC 61851-3 brings several benefits to the electric vehicle industry:
Compatibility: The standard promotes compatibility among different EV models and charging stations, enabling easy access to charging infrastructure regardless of the vehicle brand or manufacturer.
Safety: With safety considerations at its core, the standard ensures that charging systems meet stringent safety requirements, minimizing risks such as electrical hazards and fire incidents during the charging process.
Interoperability: By defining common communication protocols, the standard allows seamless interaction between the EV and the charging station, providing accurate monitoring and control of the charging process.
Market Growth: The standardized DC charging solutions foster market growth by creating an environment where EV drivers have a reliable and consistent charging experience across different networks and regions.
Overall, the IEC 61851-3rd edition 2017 plays a crucial role in establishing a sustainable and efficient electric vehicle charging infrastructure, paving the way for widespread adoption of EVs worldwide.
Nina She