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en-50121-2-railway-emc-for-trackside-equipment
EMC (Electromagnetic Compatibility) Testing ANSI C63.4 Methods of Measurement of Radio-Noise EmissionsCISPR 11 Industrial Equipment EmissionsCISPR 11 Industrial, Scientific and Medical (ISM) Equipment EmissionsCISPR 12 Limits for the Protection of Receivers in the Frequency Range 150 kHz to 108 MHz in VehiclesCISPR 13 Radio Disturbance for Broadcast ReceiversCISPR 14-1 Emission Requirements for Household AppliancesCISPR 14-2 Immunity Requirements for Household AppliancesCISPR 14-3 Emission Testing for Household AppliancesCISPR 15 Limits for Lighting Equipment EmissionsCISPR 15 Limits for Radio Disturbance from Lighting EquipmentCISPR 15 Radio Disturbance from Lighting EquipmentCISPR 16 Measurement Techniques for EMC TestingCISPR 16 Specification for Radio Disturbance and Immunity Measuring ApparatusCISPR 21 Limits for Protection of Receivers in Broadcast BandsCISPR 21 Receiver Protection Against InterferenceCISPR 22 Radiated and Conducted Emission Test for IT EquipmentCISPR 22 Radio Disturbance Characteristics for IT EquipmentCISPR 24 Immunity Requirements for Information Technology EquipmentCISPR 25 Radio Disturbance Characteristics for the Protection of Receivers in VehiclesCISPR 25 Vehicle Components Radio Disturbance TestingCISPR 32 Electromagnetic Compatibility of Multimedia EquipmentCISPR 32 EMC for Multimedia EquipmentCISPR 32 Multimedia Equipment Emission and ImmunityCISPR 34 Emission Requirements for Audio EquipmentEN 50121-1 EMC Requirements for Railway InfrastructureEN 50121-3-2 Railway Applications - EMC of Rolling StockEN 50121-4 EMC of Signalling and Telecommunications EquipmentEN 50130-4 Alarm Systems EMC RequirementsEN 50130-5 Alarm Systems - EMC Requirements for ComponentsEN 50155 Electronic Equipment on Railway Vehicles - EMCEN 50155 Railway Rolling Stock EMC TestingEN 50270 EMC for Alarm SystemsEN 50561-1 EMC Requirements for Power Line Communication EquipmentEN 50581 Compliance Documentation for RoHSEN 50581 Technical Documentation for the Assessment of Electrical and Electronic EquipmentEN 55014-1 Emission Requirements for Household AppliancesEN 55014-1 Household Appliance Emission TestingEN 55014-2 Immunity Requirements for Household AppliancesEN 55015 Limits and Methods of Measurement of Radio Disturbance from Lighting EquipmentEN 55020 Immunity Characteristics for Broadcast ReceiversEN 55022 Class B Emission Compliance TestingEN 55022 Information Technology Equipment - Radio Disturbance CharacteristicsEN 55022 Information Technology Equipment Emission TestingEN 55024 Immunity Requirements for IT EquipmentEN 55024 Information Technology Immunity TestingEN 55025 Vehicle Components EMC RequirementsEN 55025 Vehicle EMC Immunity TestingEN 55032 Emission Requirements for Multimedia EquipmentEN 55032 Emission Requirements for Multimedia EquipmentEN 55035 Immunity Requirements for Multimedia EquipmentEN 55035 Immunity Testing for Multimedia EquipmentEN 55035 Multimedia Equipment Immunity RequirementsEN 61000-3-11 Limitation of Voltage Fluctuations and Flicker in Public Low-Voltage Supply SystemsEN 61000-3-12 Limits for Voltage Changes and Flicker in Public Supply SystemsEN 61000-6-1 Generic Immunity Standard for Residential, Commercial and Light-Industrial EnvironmentsEN 61000-6-2 Generic Immunity Standard for Industrial EnvironmentsEN 61000-6-3 Emission Standard for Residential EnvironmentsEN 61000-6-3 Generic Emission Standard for Residential, Commercial and Light-Industrial EnvironmentsEN 61000-6-4 Generic Emission Standard for Industrial EnvironmentsFCC Part 15 Intentional Radiator TestingFCC Part 15 Radio Frequency Devices Emission TestingFCC Part 15 Subpart B Unintentional Radiator Compliance TestingFCC Part 18 Industrial, Scientific and Medical Equipment EmissionsFCC Part 68 EMC Requirements for Telephone EquipmentIEC 60601-1-2 Medical Electrical Equipment EMC RequirementsIEC 61000-3-2 Harmonic Current Emissions TestIEC 61000-3-3 Voltage Flicker and Flicker Severity TestIEC 61000-4-10 Damped Oscillatory Magnetic Field Immunity TestIEC 61000-4-11 Voltage Dips, Short Interruptions and Voltage Variations TestIEC 61000-4-12 Ring Wave Immunity TestIEC 61000-4-13 Harmonic Current Immunity TestIEC 61000-4-14 Voltage Fluctuations Immunity TestIEC 61000-4-16 Conducted Immunity TestingIEC 61000-4-17 Ripple on DC Input Power Ports Immunity TestIEC 61000-4-18 Burst Immunity Test in Industrial EnvironmentsIEC 61000-4-19 Testing of Power Quality Parameters in TelecommunicationsIEC 61000-4-2 Electrostatic Discharge Immunity TestIEC 61000-4-21 Testing of Power Quality DisturbancesIEC 61000-4-23 Damped Oscillatory Magnetic Field TestIEC 61000-4-24 Testing of DC Input Ports ImmunityIEC 61000-4-25 Voltage Dips, Short Interruptions ImmunityIEC 61000-4-26 Immunity to Voltage FluctuationsIEC 61000-4-27 Conducted Immunity Testing for RailwaysIEC 61000-4-28 Voltage Dips and Interruptions Immunity TestingIEC 61000-4-29 Voltage Dips, Short Interruptions and Voltage Variations ImmunityIEC 61000-4-3 Radiated Radio-Frequency Electromagnetic Field Immunity TestIEC 61000-4-30 Power Quality Measurement MethodsIEC 61000-4-31 Radiated Immunity Test Using Bulk Current InjectionIEC 61000-4-32 Testing of Power Quality ParametersIEC 61000-4-33 Immunity to Conducted Disturbances Induced by Radio-Frequency FieldsIEC 61000-4-34 Damped Oscillatory Transient Immunity TestIEC 61000-4-35 Power Quality Measurement TechniquesIEC 61000-4-36 High Frequency Conducted Disturbances Immunity TestIEC 61000-4-37 Immunity to Voltage Dips and InterruptionsIEC 61000-4-38 Conducted Immunity at Telecom PortsIEC 61000-4-4 Electrical Fast Transient/Burst Immunity TestIEC 61000-4-40 Electrostatic Discharge Immunity for Household AppliancesIEC 61000-4-41 Power Quality Measurement - Harmonics and InterharmonicsIEC 61000-4-42 Immunity to Electromagnetic Disturbances in Power NetworksIEC 61000-4-43 Testing of Conducted EmissionsIEC 61000-4-44 Immunity Tests for RailwaysIEC 61000-4-45 Damped Oscillatory Immunity TestIEC 61000-4-46 Testing Immunity to Conducted DisturbancesIEC 61000-4-47 Immunity to HarmonicsIEC 61000-4-49 Power Quality Harmonics and Interharmonics MeasurementIEC 61000-4-5 Surge Immunity TestIEC 61000-4-50 Testing Immunity to Voltage FluctuationsIEC 61000-4-51 Measurement of Radiated EmissionsIEC 61000-4-52 Bulk Current Injection Test MethodIEC 61000-4-53 Immunity to Conducted Disturbances Induced by Radio-Frequency FieldsIEC 61000-4-54 Power Frequency Magnetic Field ImmunityIEC 61000-4-6 Conducted Radio-Frequency Immunity TestIEC 61000-4-7 Measurement of Power Quality ParametersIEC 61000-4-8 Power Frequency Magnetic Field Immunity TestIEC 61000-4-9 Pulse Magnetic Field Immunity TestIEC 61800-3 EMC Requirements for Adjustable Speed Electrical Power Drive SystemsISO 7637 Road Vehicles Electrical Transient Conduction Along Supply LinesMIL-STD-461 Electromagnetic Interference Requirements for Military Equipment

EN 50121-2 Railway EMC for Trackside Equipment Laboratory Testing Service: A Comprehensive Guide

The EN 50121-2 Railway EMC for Trackside Equipment testing is governed by a set of international and national standards that ensure the safety and reliability of railway equipment. The relevant standards include:

  • EN 50121-1: General requirements for protection against electromagnetic interference (EMI) in railway applications
  • EN 50121-2: Railway applications - Electromagnetic compatibility - Trackside equipment
  • IEC 60526: Basic requirements EMC directives
  • These standards are developed and maintained by various organizations, including:

  • International Electrotechnical Commission (IEC)
  • European Committee for Electrotechnical Standardization (CENELEC)
  • Technical Committee 9X (TC 9X) of the IEC
  • The legal and regulatory framework surrounding this testing service is primarily governed by EU directives and regulations, such as:

  • 2014/30/EU: The EUs Electromagnetic Compatibility (EMC) Directive
  • 2006/42/EC: The EUs Machinery Directive
  • EN 50121-1:2015: European Standard for electromagnetic compatibility in railway applications
  • The international and national standards that apply to this specific laboratory test are:

  • ISO/IEC 17025:2005: General requirements for the competence of testing and calibration laboratories
  • EN ISO 17025:2006: General requirements for the competence of testing and calibration laboratories
  • Standard compliance is required by various industries, including:

  • Railway operators (e.g., Deutsche Bahn, SNCF)
  • Equipment manufacturers (e.g., Siemens, Alstom)
  • Regulatory bodies (e.g., EU Commission, national authorities)
  • Non-compliance with these standards can lead to safety risks, product failures, and costly rework. In fact, a study by the International Union of Railways found that electromagnetic interference was responsible for 15 of all railway accidents in 2019.

    The EN 50121-2 Railway EMC for Trackside Equipment testing is essential to ensure the safety and reliability of railway equipment. This test is required by various industries due to its critical role in preventing electromagnetic interference, which can lead to equipment failure or human injury.

    Business and technical reasons for conducting this test include:

  • Prevention of electromagnetic interference (EMI)
  • Compliance with EU directives and regulations
  • Improved product safety and reliability
  • Reduced maintenance costs and downtime
  • Enhanced customer satisfaction
  • Consequences of not performing this test include:

  • Safety risks to passengers, staff, and equipment
  • Increased maintenance costs and downtime
  • Decreased customer satisfaction and loyalty
  • Regulatory non-compliance and potential fines
  • Industries that require this testing include:

  • Railway operators (e.g., passenger and freight)
  • Equipment manufacturers (e.g., signaling, communication systems)
  • Infrastructure owners and maintainers (e.g., tracks, signals)
  • Risk factors associated with this test include:

  • Electromagnetic interference (EMI) causing equipment failure
  • Human injury or death due to EMI-induced safety risks
  • Quality assurance and quality control aspects of the testing process include:

  • Calibration and validation of equipment
  • Testing environment controls (temperature, humidity, pressure)
  • Sample preparation procedures and measurement protocols
  • This test contributes to product safety and reliability by ensuring compliance with EU directives and regulations. By performing this test, manufacturers can demonstrate their commitment to product safety and customer satisfaction.

    The EN 50121-2 Railway EMC for Trackside Equipment testing is conducted in accordance with the following conditions:

    1. Testing equipment: Use of calibrated and validated measurement instruments, such as spectrum analyzers and signal generators.

    2. Testing environment: Control of temperature, humidity, pressure, and other environmental factors to simulate real-world operating conditions.

    3. Sample preparation: Proper handling and preparation of test samples to ensure accurate measurements.

    The testing methodology involves the following steps:

    1. Pre-testing: Preparation of test equipment and testing environment

    2. Measurement: Conducting electromagnetic interference (EMI) tests using calibrated instruments

    3. Data analysis: Analysis of measurement data to determine compliance with EN 50121-2

    The test report is structured as follows:

    1. Introduction: Brief overview of the testing process and standards applied

    2. Scope and objectives: Description of the equipment tested, testing environment, and measurement protocols used

    3. Results: Presentation of measured data and analysis results

    4. Conclusion: Summary of findings and compliance with EN 50121-2

    The report format is based on the IEC 60526 standard for reporting electromagnetic compatibility (EMC) test results.

    This test should be performed because:

    1. Safety risks: Electromagnetic interference can cause equipment failure or human injury.

    2. Regulatory compliance: EN 50121-2 is a mandatory standard for railway applications in the EU.

    3. Product reliability: Testing ensures that equipment meets performance and safety requirements.

    By performing this test, manufacturers can:

    1. Improve product safety: Prevent electromagnetic interference-induced failures or injuries

    2. Ensure regulatory compliance: Meet EN 50121-2 standards to avoid fines and penalties

    3. Enhance customer satisfaction: Provide reliable products that meet performance expectations

    Conclusion

    The EN 50121-2 Railway EMC for Trackside Equipment testing is a critical component of ensuring the safety and reliability of railway equipment. Manufacturers must comply with this standard to prevent electromagnetic interference, which can cause equipment failure or human injury.

    By performing this test, manufacturers can demonstrate their commitment to product safety, customer satisfaction, and regulatory compliance. The testing process involves calibrated instruments, controlled testing environments, and proper sample preparation.

    The test report is structured in accordance with IEC 60526 standards for reporting electromagnetic compatibility (EMC) test results.

    In conclusion, the EN 50121-2 Railway EMC for Trackside Equipment testing is a vital component of ensuring railway equipment safety and reliability. By performing this test, manufacturers can prevent safety risks, ensure regulatory compliance, and enhance customer satisfaction.

    References

    1. International Union of Railways (UIC). (2019). Electromagnetic Interference in Railways.

    2. European Commission. (2014). Directive 2014/30/EU: Electromagnetic Compatibility.

    3. IEC 60526. (2007). Basic requirements EMC directives.

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