• IEC TS 62749:2015

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Assessment of power quality - Characteristics of electricity supplied by public networks

    Available format(s): 

    Superseded date:  31-12-2021

    Language(s): 

    Published date:  09-04-2015

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Recommended values for power quality indices
    5 Objectives and methods for power quality assessment
    Annex A (informative) - Examples of PROFILES for Power
            Quality Specification
    Annex B (informative) - Example on System Aspect Continuous
            Disturbance Evaluation
    Annex C (informative - Main Impact of Poor Power Quality
    Annex D (informative) - Power Quality Issues Related to
            Distributed Generation and Micro-grids
    Annex E (informative) - Methods to Maintain and Improve
            Power Quality
    Annex F (informative) - Relation between Power quality
            and EMC
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC TS 62749:2015(E) specifies the expected characteristics of electricity at the SUPPLY TERMINALS of public low, medium and high voltage, 50 Hz or 60 Hz, networks.

    General Product Information - (Show below) - (Hide below)

    Committee TC 8
    Development Note Stability date: 2017. (04/2015)
    Document Type Technical Specification
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEC TS 62786:2017 Distributed energy resources connection with the grid
    IEC 62933-1:2018 Electrical energy storage (EES) systems - Part 1: Vocabulary
    17/30356253 DC : 0 BS EN 62933-1 - ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 1: TERMINOLOGY
    PD IEC/TS 62898-1:2017 (published 2017-09) Microgrids Guidelines for microgrid projects planning and specification
    16/30349357 DC : 0 PD IEC/TS 62898-1 ED1.0 - MICROGRIDS - GUIDELINES FOR MICROGRID PROJECTS PLANNING AND SPECIFICATION
    BS PD IEC TS 62786 : 2017 DISTRIBUTED ENERGY RESOURCES CONNECTION WITH THE GRID
    PD IEC/TR 61850-90-17:2017 Communication networks and systems for power utility automation Using IEC 61850 to transmit power quality data
    IEC TS 62898-1:2017 Microgrids - Part 1: Guidelines for microgrid projects planning and specification
    I.S. EN IEC 62933-1:2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 1: VOCABULARY
    EN IEC 62933-1 : 2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 1: VOCABULARY (IEC 62933-1:2018)
    IEC TR 61850-90-17:2017 Communication networks and systems for power utility automation - Part 90-17: Using IEC 61850 to transmit power quality data

    Standards Referencing This Book - (Show below) - (Hide below)

    IEEE 519 : 2014 RECOMMENDED PRACTICES AND REQUIREMENTS FOR HARMONIC CONTROL IN ELECTRICAL POWER SYSTEMS
    EN 50160 : 2010 AMD 1 2015 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
    IEC TR 61000-3-14:2011 Electromagnetic compatibility (EMC) - Part 3-14: Assessment of emission limits for harmonics, interharmonics, voltage fluctuations and unbalance for the connection of disturbing installations to LV power systems
    IEC 60038:2009 IEC standard voltages
    IEC 61000-4-30 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
    IEC 61000-4-15 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-15: TESTING AND MEASUREMENT TECHNIQUES - FLICKERMETER - FUNCTIONAL AND DESIGN SPECIFICATIONS
    IEC 61000-3-11 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-11: LIMITS - LIMITATION OF VOLTAGE CHANGES, VOLTAGE FLUCTUATIONS AND FLICKER IN PUBLIC LOW-VOLTAGE SUPPLY SYSTEMS - EQUIPMENT WITH RATED CURRENT <= 75 A AND SUBJECT TO CONDITIONAL CONNECTION
    IEC 61000-2-4:2002 Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances
    IEC TR 62510:2008 Standardising the characteristics of electricity
    IEC 61000-2-12:2003 Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems
    IEC TR 60725:2012 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase
    IEC 62586-1:2017 Power quality measurement in power supply systems - Part 1: Power quality instruments (PQI)
    IEC 60364-5-53:2001+AMD1:2002+AMD2:2015 CSV Electrical installations of buildings - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control
    IEC TR 61000-3-13:2008 Electromagnetic compatibility (EMC) - Part 3-13: Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems
    IEC 61000-3-12:2011 Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase
    IEC TR 61000-2-5:2017 Electromagnetic compatibility (EMC) - Part 2-5: Environment - Description and classification of electromagnetic environments
    SAC GB/T 18481 : 2001 POWER QUALITY - TEMPORARY AND TRANSIENT OVERVOLTAGES
    IEC TR 61000-2-14:2006 Electromagnetic compatibility (EMC) - Part 2-14: Environment - Overvoltages on public electricity distribution networks
    CLC/TR 50555:2010/AC:2011 INTERRUPTION INDEXES
    IEC 60364-4-44:2007+AMD1:2015 CSV Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances
    IEC TR 61000-3-7:2008 Electromagnetic compatibility (EMC) - Part 3-7: Limits - Assessment of emission limits for the connection of fluctuating installations to MV, HV and EHV power systems
    CLC/TR 50422:2013 GUIDE FOR THE APPLICATION OF THE EUROPEAN STANDARD EN 50160
    IEC TR 61000-2-1:1990 Electromagnetic compatibility (EMC) - Part 2: Environment - Section 1: Description of the environment - Electromagnetic environment for low-frequency conducted disturbances and signalling in public power supply systems
    IEC 61000-2-2:2002+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
    IEEE 1564 : 2014 GUIDE FOR VOLTAGE SAG INDICES
    IEC 61000-4-7:2002+AMD1:2008 CSV Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
    IEC 61000-3-3 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-3: LIMITS - LIMITATION OF VOLTAGE CHANGES, VOLTAGE FLUCTUATIONS AND FLICKER IN PUBLIC LOW-VOLTAGE SUPPLY SYSTEMS, FOR EQUIPMENT WITH RATED CURRENT <= 16 A PER PHASE AND NOT SUBJECT TO CONDITIONAL CONNECTION
    AS 61000.3.100-2011 Electromagnetic compatibility (EMC) Limits - Steady state voltage limits in public electricity systems
    IEC TR 61000-3-6:2008 Electromagnetic compatibility (EMC) - Part 3-6: Limits - Assessment of emission limits for the connection of distorting installations to MV, HV and EHV power systems
    IEC TR 61000-2-8:2002 Electromagnetic compatibility (EMC) - Part 2-8: Environment - Voltage dips and short interruptions on public electric power supply systems with statistical measurement results
    IEC 61000-3-2 : 4.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
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