What is EN 60255-2020

EN60255-2020 is a professional technical standard that sets the requirements and guidelines for measuring relays and protection equipment used in electrical power systems. This standard, also known as IEC 60255-2020, applies to various types of protective relays such as electromechanical, solid-state, and numerical relays.

Importance of EN60255-2020

EN60255-2020 plays a crucial role in ensuring the reliable operation of electrical power systems and protecting them from abnormal operating conditions. It establishes uniform criteria for designing, manufacturing, testing, and evaluating relays and protection equipment, thereby allowing for interoperability and compatibility among different manufacturers' products.

This standard helps to improve the overall performance and safety of electrical power systems by setting the necessary requirements for reliability, accuracy, and functional performance of relays. It covers aspects such as response time, sensitivity, steady-state and dynamic performance, environmental conditions, electromagnetic compatibility, and immunity to interference.

Furthermore, compliance with EN60255-2020 facilitates international trade by providing a common technical language and ensuring consistency in relay specifications. It helps utilities, industries, and users to select and procure relays that meet the required performance levels, thus increasing system availability, minimizing downtime, and reducing the risk of equipment damage or failure.

Recent Updates to EN60255-2020

In 2020, the latest edition of EN60255 was published, incorporating several important updates to address emerging technologies and market trends. These updates aim to enhance the capabilities and reliability of protection systems in the face of evolving power system configurations and challenges.

Some key updates in the latest version of EN60255 include:

- New requirements for measuring functions, such as power quality monitoring and advanced fault analysis.

- Enhanced cybersecurity provisions to safeguard the operation of relays and protect against potential cyber threats.

- Updated guidelines for testing and performance verification to ensure accurate and consistent results.

- Inclusion of guidance on software applications used in protection systems and their associated performance requirements.

Overall, the recent updates to EN60255-2020 reflect the industry's commitment to continuously improving and adapting to the evolving needs of power system protection, while taking into account advancements in technology and changing operational requirements.