This document presents measurement procedures that enable noise emissions of a wind turbine to be characterised. This involves using measurement methods appropriate to noise emission assessment at locations close to the machine, in order to avoid errors due to sound propagation, but far away enough to allow for the finite source size. The procedures described are different in some respects from those that would be adopted for noise assessment in community noise studies. They are intended to faci...view more

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    • Corrigendum
      3 pages
      English and French language
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This part of IEC 61400 deals with safety philosophy, quality assurance, and engineering
integrity and specifies requirements for the safety of small wind turbines (SWTs) including
design, installation, maintenance and operation under specified external conditions. Its
purpose is to provide the appropriate level of protection against damage from hazards from
these systems during their planned lifetime.
This standard is concerned with all subsystems of SWTs such as protection mechanisms,
int...
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    • Corrigendum
      3 pages
      English and French language
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This part of IEC 61400 specifies essential design requirements to ensure the structural
integrity of wind turbines. Its purpose is to provide an appropriate level of protection against
damage from all hazards during the planned lifetime.
This document is concerned with all subsystems of wind turbines such as control and
protection functions, internal electrical systems, mechanical systems and support structures.
This document applies to wind turbines of all sizes. For small wind turbines, I...
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    • Corrigendum
      3 pages
      English language
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This part of IEC 61400 specifies additional requirements for assessment of the external conditions at an offshore wind turbine site and specifies essential design requirements to ensure the engineering integrity of fixed offshore wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document focuses on the engineering integrity of the structural components of an offshore wind turbine but is also concerned wit...view more

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    • Standard
      151 pages
      English language
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IEC 61400-24:2019 applies to lightning protection of wind turbine generators and wind power systems. Refer to guidelines for small wind turbines in annex. This document defines the lightning environment for wind turbines and risk assessment for wind turbines in that environment. It defines requirements for protection of blades, other structural components and electrical and control systems against both direct and indirect effects of lightning. Test methods to validate compliance are included. Gu...view more

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    • Standard
      196 pages
      English language
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IEC 61400-26-1:2019 defines an information model from which time-based, and production-based availability indicators for services can be derived and reported. The purpose is to provide standardised metrics that can be used to create and organise methods for availability calculation and reporting according to the user’s needs. The document provides information categories, which unambiguously describe how data is used to characterise and categorise the operation. The information model specifies ca...view more

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    • Standard
      101 pages
      English language
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IEC 61400-21-1:2019 includes: · definition and specification of the quantities to be determined for characterizing the electrical characteristics of a grid-connected wind turbine; · measurement procedures for quantifying the electrical characteristics; · procedures for assessing compliance with electrical connection requirements, including estimation of the power quality expected from the wind turbine type when deployed at a specific site. The measurement procedures are valid for single wind tur...view more

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    • Standard
      147 pages
      English language
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IEC 61400-1:2019 is available as IEC 61400-1:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document is concerned with all subsystems of wind turbines suc...
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    • Standard
      173 pages
      English language
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The contents of the corrigendum of October 2019 have been included in this copy.

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    • Standard
      10 pages
      English language
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IEC 61400-25-5:2017 specifies standard techniques for testing of compliance of implementations, as well as specific measurement techniques to be applied when declaring performance parameters. The use of these techniques will enhance the ability of users to purchase systems that integrate easily, operate correctly, and support the applications as intended. This part of IEC 61400-25 defines: the methods and abstract test cases for compliance testing of server and client devices used in wind power ...view more

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    • Standard
      60 pages
      English language
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NEW!IEC 61400-25-1:2017 is available as IEC 61400-25-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61400-25-1:2017 gives an overall description of the principles and models used in the IEC 61400­25 series, which is designed for a communication environment supported by a client-server model. Three areas are defined, that are modelled separately to ensure the scalability of implementat...view more

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    • Standard
      39 pages
      English language
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Gives guidelines for declaring the apparent sound power level and tonality of a batch of wind turbines. Is to be used in conjunction with IEC 61400-11 which gives measurement procedures for apparent sound power level and tonality. This publication is of high relevance for Smart Grid.

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    • Technical specification
      14 pages
      English language
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IEC TS 61400-26-2:2014 provides a framework from which production-based performance indicators of a wind turbine generator system can be derived. It unambiguously describes how data is categorised and provides examples of how the data can be used to derive performance indicators. The approach of this part of IEC 61400 is to expand the time allocation model, introduced in IEC TS 61400-26-1, with two additional layers for recording of the actual energy production and potential energy production as...view more

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    • Technical specification
      50 pages
      English language
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IEC 61400-26-1:2011(E) defines generic information categories to which fractions of time can be assigned for a wind turbine generating system (WTGS) considering internal and external conditions based on fraction of time and specifying the following: - generic information categories of a WTGS considering availability and other performance indicators; - information category priority in order to discriminate between concurrent categories; - entry and exit point for each information category in orde...view more

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    • Technical specification
      56 pages
      English language
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IEC TS 61400-26-3:2016(E) provides a framework from which time-based and production-based availability indicators of a wind power station can be derived. It unambiguously describes how data is categorised and provides examples of how the data can be used to derive availability indicators. The approach is to apply the terms and definitions for the applied information models introduced in IEC TS 61400-26-1 and IEC TS 61400-26-2 to a wind power station.

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    • Technical specification
      121 pages
      English language
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NEW!IEC 61400-12-1:2017 is available as IEC 61400-12-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61400-12-1:2017 specifies a procedure for measuring the power performance characteristics of a single wind turbine and applies to the testing of wind turbines of all types and sizes connected to the electrical power network. In addition, this standard describes a procedure to be used to...view more

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    • Standard
      264 pages
      English language
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IEC 61400-25-6:2016(E) specifies the information models related to condition monitoring for wind power plants and the information exchange of data values related to these models. This standard is to be used with other standards of the IEC 61400-25 series. This new edition includes the following significant technical changes with respect to the previous edition: - major restructuring of the data model to accommodate flexibility; removal of UFF58 format; - access to data using the standard reporti...view more

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    • Standard
      53 pages
      English language
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IEC 61400-25-4:2008(E) specifies the specific mappings to protocol stacks encoding the messages required for the information exchange between a client and a remote server for data access and retrieval, device control, event reporting and logging, publisher/subscriber, self-description of devices (device data dictionary), data typing and discovery of data types. Covers several mappings, one of which shall be selected in order to be compliant with this part of IEC 61400-25. The IEC 61400-25 series...view more

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    • Standard
      246 pages
      English language
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IEC 61400-13:2015(B) describes the measurement of fundamental structural loads on wind turbines for the purpose of the load simulation model validation. The standard prescribes the requirements and recommendations for site selection, signal selection, data acquisition, calibration, data verification, measurement load cases, capture matrix, post-processing, uncertainty determination and reporting. Informative annexes are also provided to improve understanding of testing methods. This standard rep...view more

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    • Standard
      108 pages
      English language
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IEC 61400-25-2:2015 specifies the information model of devices and functions related to wind power plant applications. In particular, it specifies the compatible logical node names, and data names for communication between wind power plant components. This includes the relationship between logical devices, logical nodes and data. The names defined in the IEC 61400-25 series are used to build the hierarchical object references applied for communicating with components in wind power plants. Main c...view more

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    • Standard
      105 pages
      English language
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IEC 61400-25-3:2015 is available as IEC 61400-25-3:2015 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61400-25-3:2015 specifies an abstract communication service interface describing the information exchange between a client and a server for: - data access and retrieval, - device control, - event reporting and logging, - self-description of devices (device data dictionary), - data typing a...view more

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    • Standard
      35 pages
      English language
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IEC 61400-27-1:2015 specifies dynamic simulation models for generic wind turbine topologies/concepts/configurations on the market. It defines the generic terms and parameters with the purpose of specifying the electrical characteristics of a wind turbine at the connection terminals. The models are described in a modular way which can be applied for future wind turbine concepts. The dynamic simulation models refer to the wind turbine terminals. The validation procedure specified in IEC 61400-27-1...view more

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    • Standard
      97 pages
      English language
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      1 day

IEC 61400-2:2013 deals with safety philosophy, quality assurance, and engineering integrity and specifies requirements for the safety of small wind turbines (SWTs) including design, installation, maintenance and operation under specified external conditions. It provides the appropriate level of protection against damage from hazards from these systems during their planned lifetime. This standard is concerned with all subsystems of SWTs such as protection mechanisms, internal electrical systems, ...view more

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    • Standard
      137 pages
      English language
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      1 day

Is a technical specification providing guidelines for the full-scale structural testing of wind turbine blades and for the interpretation or evaluation of results, as a possible part of a design verification of the integrity of the blade. Includes static strength tests, fatigue tests, and other tests determining blade properties. This publication is of high relevance for Smart Grid.

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    • Standard
      46 pages
      English language
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IEC 61400-12-2:2013 specifies a procedure for verifying the power performance characteristics of a single electricity-producing, horizontal axis wind turbine, which is not considered to be a small wind turbine per IEC 61400-2. This standard is intended to be used when the specific operational or contractual specifications may not comply with the requirements set forth in IEC 61400-12-1:2005. The procedure can be used for power performance evaluation of specific turbines at specific locations, bu...view more

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    • Standard
      104 pages
      English language
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IEC 61400-4:2012(E) is applicable to enclosed speed increasing gearboxes for horizontal axis wind turbine drivetrains with a power rating in excess of 500 kW. This standard applies to wind turbines installed onshore or offshore. It Standard provides guidance on the analysis of the wind turbine loads in relation to the design of the gear and gearbox elements. The gearing elements covered by this standard include such gears as spur, helical or double helical and their combinations in parallel and ...view more

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    • Standard
      160 pages
      English language
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      1 day

IEC 61400-11:2012(E) presents measurement procedures that enable noise emissions of a wind turbine to be characterised. This involves using measurement methods appropriate to noise emission assessment at locations close to the machine, in order to avoid errors due to sound propagation, but far away enough to allow for the finite source size. The procedures described are different in some respects from those that would be adopted for noise assessment in community noise studies. They are intended ...view more

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    • Standard
      61 pages
      English language
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      1 day

IEC 61400-22:2010 defines rules and procedures for a certification system for wind turbines (WT) that comprises both type certification and certification of wind turbine projects installed on land or off-shore. This system specifies rules for procedures and management for carrying out conformity evaluation of WT and wind farms, with respect to specific standards and other technical requirements, relating to safety, reliability, performance, testing and interaction with electrical power networks.

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    • Standard
      82 pages
      English language
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      1 day

Amandma A1:2011 je dodatek k standardu SIST EN 61400-1:2006
This part of IEC 61400 specifies essential design requirements to ensure the engineering integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This standard is concerned with all subsystems of wind turbines such as control and protection mechanisms, internal electrical systems, mechanical systems and support structures. This standard applies...
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    • Amendment
      30 pages
      English language
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Identifies the generic problems involved in lightning protection of wind turbines; describes appropriate methods for evaluating the risk of lightning damage to wind turbines; describes and outlines suitable methods for lightning protection of wind turbine components.

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    • Standard
      158 pages
      English language
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IEC 61400-3:2009 specifies additional requirements for assessment of the external conditions at an offshore wind turbine site and specifies essential design requirements to ensure the engineering integrity of offshore wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. Focuses on the engineering integrity of the structural components of an offshore wind turbine but is also concerned with subsystems such as contr...view more

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    • Standard
      131 pages
      English language
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      1 day

IEC 61400-21:2008 covers the definition and specification of the quantities to be determined for characterizing the power quality of a grid connected wind turbine; measurement procedures for quantifying the characteristics; and procedures for assessing compliance with power quality requirements, including estimation of the power quality expected from the wind turbine type. The main changes with respect to the previous edition deal with interharmonics and current distortions (<9 kHz); response to...view more

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    • Standard
      61 pages
      English language
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IEC 61400-27-1:2020 defines standard electrical simulation models for wind turbines and wind power plants. The specified models are time domain positive sequence simulation models, intended to be used in power system and grid stability analyses. The models are applicable for dynamic simulations of short term stability in power systems. This document defines the generic terms and parameters for the electrical simulation models. This document specifies electrical simulation models for the generic ...view more

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    • Standard
      97 pages
      English language
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TC - 2020-03-23: corrigendum created to confirm EN 61400-22:2011 and is not the result of a mistake (see BT decision D165/C016)

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    • Corrigendum
      1 page
      English language
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2020-05-07: When amdt is published, add supersession link between PR=64419 and PR=21139

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    • Amendment
      3 pages
      English language
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IEC 61400-27-2:2020 specifies procedures for validation of electrical simulation models for wind turbines and wind power plants, intended to be used in power system and grid stability analyses. The validation procedures are based on the tests specified in IEC 61400-21 (all parts). The validation procedures are applicable to the generic models specified in IEC 61400-27-1 and to other fundamental frequency wind power plant models and wind turbine models. The validation procedures for wind turbine ...view more

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    • Standard
      64 pages
      English language
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2020-05-07: When amdt is published, add supersession link between PR=65214 and PR=21445

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    • Amendment
      3 pages
      English language
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IEC 61400-6:2020 specifies requirements and general principles to be used in assessing the structural integrity of onshore wind turbine support structures (including foundations). The scope includes the geotechnical assessment of the soil for generic or site specific purposes. The strength of any flange and connection system connected to the rotor nacelle assembly (including connection to the yaw bearing) are designed and documented according to this document or according to IEC 61400-1. The sco...view more

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    • Standard
      126 pages
      English language
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IEC 61400-5:2020 specifies requirements to ensure the engineering integrity of wind turbine blades as well as an appropriate level of operational safety throughout the design lifetime. It includes requirements for:  aerodynamic and structural design, material selection, evaluation and testing, manufacture (including associated quality management), transportation, installation, operation and maintenance of the blades.  The purpose of this document is to provide a technical reference for designers...view more

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    • Standard
      67 pages
      English language
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Deals with safety aspects, quality assurance and engineering integrity, and specifies safety requirements for design, installation and operation of wind turbine generator systems.

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    • Standard
      90 pages
      English language
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This Technical Report provides guidance on requirements for the electromagnetic compatibility of wind turbines of all sizes, to assist with achieving compliance with EMC standards. This Technical Report includes guidance on emissions, and for immunity to external disturbances. Safety related aspects are not included in this Technical Report. They are the subject of relevant parts of EN 61400. This Technical Report is applicable to electromagnetic emissions and immunity, both conducted and radiat...view more

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    • Technical report
      12 pages
      English language
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This European Standard specifies requirements for protective measures relating to the health and safety of personnel, relevant to commissioning, operation and maintenance of wind turbines. It does not describe instructions and provisions for safe working during manufacture, transport, assembly and installation of the wind turbine. Requirements are specified regarding – hardware provisions being a part of the turbine such as platforms, ladders, lighting, – manuals and warning signs to accommodate...view more

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    • Standard
      25 pages
      English language
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88/286/RVC established on 2006-12-01: Reinitiated at IEC level as 88/287/NP & 88/288/CDV (simultaneous circulation) - see pr=21010 * Standstill maintained

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    • Draft
      151 pages
      English language
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D125/112: Project stopped because ISO/IEC CDV published as ISO 81400-4:2005 - Standstill maintainted

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    • Draft
      104 pages
      English language
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IEC 61400-25-6:2010(E) specifies the information models related to condition monitoring for wind power plants and the information exchange of data values related to these models. The purpose is to model condition monitoring information by using the information modelling approach as described in IEC 61400-25-1 and by extending the existing information model as specified in IEC 61400-25-2, the information exchange models specified in IEC 61400-25-3 and the mapping to communication profiles as spec...view more

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    • Standard
      34 pages
      English language
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IEC 61400-25-4:2008(E) specifies the specific mappings to protocol stacks encoding the messages required for the information exchange between a client and a remote server for data access and retrieval, device control, event reporting and logging, publisher/subscriber, self-description of devices (device data dictionary), data typing and discovery of data types. Covers several mappings, one of which shall be selected in order to be compliant with this part of IEC 61400-25. The IEC 61400-25 series...view more

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    • Standard
      241 pages
      English language
    • e-Library read for
      1 day