What is BS EN 61892-1: 2018 ?

Title: What is BS EN 61892-1: 2018? to Relay Technology

The advancement of electric vehicles (EVs) has created a growing demand for reliable and efficient charging infrastructure. To meet this demand, the development of international standards for EV charging equipment is essential. One such standard is the British Standard (BS) EN 61851-3: 2018, which provides for the design, construction, and performance of EV charging systems.

In this article, we will delve into the technical aspects of BS EN 61851-3: 2018 and explore its key requirements and guidelines. We will also discuss the purpose and benefits of this standard, as well as its relevance to the EV charging industry.

Understanding BS EN 61851-3: 2018

BS EN 61851-3: 2018 is an international standard that specifies the requirements and testing methods for AC electric vehicle charging equipment. It covers both conductive charging systems (Mode 3) and wireless power transfer (WPT) systems. The standard provides guidelines for the design, construction, performance, and security aspects of charging stations.

The primary objective of BS EN 61851-3: 2018 is to establish consistent requirements for different types of relays used in electrical equipment. By defining these requirements, the standard ensures that manufacturers produce reliable and compliant relay devices that meet specified performance levels.

Key Technical Requirements

BS EN 61851-3: 2018 provides several key technical requirements for EV charging equipment. These requirements are divided into four categories:

Electrical Safety

BS EN 61851-3: 2018 defines electrical safety requirements for EV charging equipment, which are essential for ensuring the safety and reliability of the charging systems. These requirements include:

a. Compatibility with IEC 61956-21, the international standard for electrical safety.

b. Compliance with EN 50325-1, the standard for electrical safety for low-voltage direct current (DCL) systems.

c. The use of fuses or circuit breakers for overcurrent protection.

d. The requirement for a separate fuse or circuit breaker for overcurrent protection in cases of multiple output devices.

Performance and Reliability

BS EN 61851-3: 2018 establishes performance and reliability requirements for EV charging equipment. These requirements include:

a. The performance of the charging equipment should meet the requirements of IEC 61851-3, which includes specifications for the output voltage, current, and power density.

b. The reliability of the charging equipment should be tested in accordance with IEC 61851-4, which specifies the testing methods for electrical equipment.

c. The charging equipment should have a user-friendly interface for controlling the charging process.

d. The charging equipment should have a built-in overcurrent protection mechanism to prevent overcurrent damage.

Construction and

BS EN 61851-3: 2018 outlines the construction requirements for EV charging equipment, including the use of appropriate materials. These requirements include:

a. The charging equipment should be made of fire-resistant materials to prevent electrical fires.

b. The charging equipment should have an appropriate number of outlets to accommodate multiple charging devices.

c. The charging equipment should have a grounding system to prevent electrical hazards.

d. The charging equipment should be designed to prevent interference with other electrical systems.

Testing and Certification

BS EN 61851-3: 2018 specifies the testing and certification requirements for EV charging equipment. These requirements include:

a. The charging equipment should be tested in accordance with IEC 61851-3, which includes specifications for the output voltage, current, and power density.

b. The charging equipment should be certified by a recognized testing organization (such as.