DD ENV 50121-2:1996 - Railway applications. Electromagnetic compatibility - Emission of the whole railway system to the outside world
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The standard outlines the requirements and guidelines for controlling the electromagnetic emissions produced by the entire railway system. This includes emissions from various components and subsystems of the railway infrastructure.
Emission Limits: DD ENV 50121-2 likely specifies limits on the electromagnetic emissions allowed from the railway system. These limits are designed to prevent interference with other electronic and electrical systems outside the railway environment.
Frequency Ranges: The standard may define specific frequency ranges for which emission limits are applicable. Different electronic and electrical devices within the railway system may emit electromagnetic energy at various frequencies, and the standard would address these considerations.
Measurement Methods: Procedures for measuring and assessing the electromagnetic emissions from the entire railway system are likely outlined in the standard. This includes methodologies for conducting measurements and determining compliance with specified emission limits.
Documentation: Requirements for documenting the results of emission testing and ensuring that the railway system complies with the specified limits are typically covered. This documentation is important for regulatory compliance and interoperability.
Mitigation Measures: The standard may recommend or require the implementation of mitigation measures to control electromagnetic emissions. This could include the use of shielding, filtering, or other techniques to reduce emissions to acceptable levels.
Interference Prevention: The goal of this standard is to prevent electromagnetic interference with external systems. Ensuring that the railway system does not negatively impact nearby electronic and electrical equipment is a key aspect of electromagnetic compatibility.
