What is EN 60335-2-52: 2003+A2: 2015 ?

EN 60255-1: 2003 is an essential international standard that outlines the requirements for testing and setting the performance parameters of measuring relays and protection equipment used in electrical power systems. The standard is designed to ensure the proper functioning, reliability, and accuracy of these devices when subjected to different operating conditions and disturbances.

Key Requirements and Parameters

EN 60255-1: 2003 specifies a wide range of parameters, including functionality, response time, accuracy, stability, and immunity to external disturbances. These parameters are crucial in ensuring that the measuring relays and protection equipment perform as expected under various electrical power system conditions.

Functionality:

The standard specifies the functionality of the measuring relays and protection equipment. It ensures that the devices are capable of detecting and responding to various electrical power system events, including overcurrents, overvoltages, and faults.

Response Time:

The standard sets guidelines for the response time of the measuring relays and protection equipment. It requires that the devices have a response time that is fast enough to detect and respond to electrical power system events in a timely manner.

Accuracy:

The standard defines the accuracy requirements for the measuring relays and protection equipment. It ensures that the devices are capable of accurately detecting and responding to various electrical power system events.

Stability:

The standard specifies the stability requirements for the measuring relays and protection equipment. It requires that the devices have a stable operation under various electrical power system conditions and disturbances.

Immunity to External Disturbances:

The standard outlines the immunity requirements for the measuring relays and protection equipment. It ensures that the devices are capable of operating without being affected by external disturbances, such as magnetic fields or radio waves.

Conclusion

In conclusion, EN 60255-1: 2003 is an essential international standard that outlines the requirements for testing and setting the performance parameters of measuring relays and protection equipment used in electrical power systems. By ensuring that these devices are properly designed, tested, and certified, the standard helps to improve the reliability and accuracy of electrical power systems.