EUROLAB
iec-61000-4-26-immunity-to-voltage-fluctuations
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 50121-2 Railway EMC for Trackside EquipmentEN 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 61000-4-27 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

Comprehensive Guide to IEC 61000-4-26 Immunity to Voltage Fluctuations Laboratory Testing Service by Eurolab

Standard-Related Information

IEC 61000-4-26 is an international standard that specifies the requirements for testing the immunity of electrical and electronic equipment to voltage fluctuations. The standard is published by the International Electrotechnical Commission (IEC) and is widely adopted in various countries around the world.

The standard is part of the IEC 61000 series, which deals with electromagnetic compatibility (EMC). The 4-26 standard specifically addresses the immunity testing of electrical and electronic equipment to voltage fluctuations, which can be caused by various sources such as power supply systems, lighting systems, and other external influences.

Legal and Regulatory Framework

The legal and regulatory framework surrounding IEC 61000-4-26 Immunity to Voltage Fluctuations testing is governed by national and international standards. In the European Union, for example, the standard is incorporated into the Low Voltage Directive (LVD) and the Electromagnetic Compatibility Directive (EMCD).

In other regions, such as North America, the standard is adopted through various regulations, including the Underwriters Laboratories (UL) and the Canadian Standards Association (CSA). The standard is also referenced in many industry-specific standards, such as those for medical devices, aerospace, and automotive applications.

International and National Standards

The following are some of the international and national standards that apply to IEC 61000-4-26 Immunity to Voltage Fluctuations testing:

  • IEC 61000-4-26:2016

  • EN 61000-4-26:2016 (European Standard)

  • UL 1449:2015 (Underwriters Laboratories, USA)

  • CSA C22.2 No. 140-07 (Canadian Standards Association, Canada)

    • Standard Development Organizations

    The standard development organizations that govern the IEC 61000 series include:

  • International Electrotechnical Commission (IEC)

  • European Committee for Electrotechnical Standardization (CENELEC)

  • Underwriters Laboratories (UL)

  • Canadian Standards Association (CSA)

    • These organizations develop and maintain the standards through a collaborative process involving industry stakeholders, regulatory bodies, and other interested parties.

    How Standards Evolve and Get Updated

    Standards evolve and get updated in response to changes in technology, regulations, and market requirements. The IEC 61000-4-26 standard, for example, has undergone several revisions since its initial publication in 2006. Each revision incorporates new test methods, test levels, or other updates that reflect the latest developments in the field.

    Standard Compliance Requirements

    Compliance with IEC 61000-4-26 Immunity to Voltage Fluctuations testing is a requirement for many industries and sectors. For example:

  • Medical devices: EN 60601-1-2

  • Aerospace: DO-160G

  • Automotive: ISO/TS 16949

    • Conformity with the standard can be demonstrated through various means, including test reports, certification marks, or other documentation.

    Standard Requirements and Needs

    IEC 61000-4-26 Immunity to Voltage Fluctuations testing is required for a wide range of applications, including:

  • Electrical and electronic equipment

  • Medical devices

  • Aerospace and defense systems

  • Automotive components

  • Industrial control systems

    • The standard provides a framework for evaluating the immunity of electrical and electronic equipment to voltage fluctuations, which can be caused by various sources such as power supply systems, lighting systems, or other external influences.

    Consequences of Not Performing This Test

    Failure to conduct IEC 61000-4-26 Immunity to Voltage Fluctuations testing can result in:

  • Equipment malfunction or failure

  • Safety hazards for users and bystanders

  • Liability risks for manufacturers and suppliers

  • Regulatory non-compliance

    • The standard provides a framework for evaluating the immunity of electrical and electronic equipment to voltage fluctuations, which can be caused by various sources such as power supply systems, lighting systems, or other external influences.

    Risk Factors and Safety Implications

    Voltage fluctuations can cause various safety risks, including:

  • Electrical shock

  • Fire hazards

  • Equipment malfunction or failure

    • Conducting IEC 61000-4-26 Immunity to Voltage Fluctuations testing helps mitigate these risks by ensuring that electrical and electronic equipment is designed and constructed to withstand voltage fluctuations.

    Quality Assurance and Quality Control Aspects

    IEC 61000-4-26 Immunity to Voltage Fluctuations testing involves a range of quality assurance and quality control measures, including:

  • Equipment calibration

  • Test procedure validation

  • Sampling plans

  • Statistical analysis

    • These measures ensure that test results are accurate, reliable, and comparable across different laboratories.

    Competitive Advantages

    Conducting IEC 61000-4-26 Immunity to Voltage Fluctuations testing provides a range of competitive advantages, including:

  • Enhanced product safety and reliability

  • Compliance with regulatory requirements

  • Improved marketability and brand reputation

    • By demonstrating conformity with the standard, manufacturers can differentiate themselves from competitors and gain a competitive edge in the marketplace.

    How Eurolab Can Help

    Eurolab is a leading provider of EMC testing services, including IEC 61000-4-26 Immunity to Voltage Fluctuations testing. Our experienced engineers and technicians use state-of-the-art equipment and test procedures to ensure accurate and reliable results. We can help you:

  • Conduct IEC 61000-4-26 Immunity to Voltage Fluctuations testing

  • Develop a sampling plan and statistical analysis

  • Ensure compliance with regulatory requirements

  • Enhance product safety and reliability

    • Conclusion

    IEC 61000-4-26 Immunity to Voltage Fluctuations testing is an essential requirement for many industries and sectors. By conducting this test, manufacturers can demonstrate conformity with the standard, enhance product safety and reliability, and gain a competitive edge in the marketplace. Eurolab is committed to helping you navigate the complexities of IEC 61000-4-26 Immunity to Voltage Fluctuations testing and ensure compliance with regulatory requirements.

    References

  • IEC 61000-4-26:2016

  • EN 61000-4-26:2016 (European Standard)

  • UL 1449:2015 (Underwriters Laboratories, USA)

  • CSA C22.2 No. 140-07 (Canadian Standards Association, Canada)

    • Appendix

    The following is a list of equipment and materials that may be required for IEC 61000-4-26 Immunity to Voltage Fluctuations testing:

  • High-voltage power supply

  • Measuring instruments (e.g., oscilloscope)

  • Test software and hardware

  • Calibration tools and documentation

    • Please note that this is not an exhaustive list, and additional equipment and materials may be required depending on the specific requirements of your test.

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