IEC TR 61000-1-4:2005 PDF

Electromagnetic compatibility (EMC) - Part 1-4: General - Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz

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Название (английский):

IEC TR 61000-1-4:2005

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 41
Дата публикации:: 30 мая 2005 г.
Издание:: IEC TR 61000 edition 1 version 1
ICS:: 33.100.10

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Срок поставки:7 раб. дн. (перевод)

Цена:615 €

Описание (английский):

This part of IEC 61000, which is an IEC technical report, reviews the sources and effects of power frequency conducted harmonic current emissions in the frequency range up to 2 kHz on the public electricity supply, and gives an account of the reasoning and calculations leading to the existing emission limits for equipment in the editions of IEC 61000-3-2, up to and including the second edition (2000) and its first amendment (2001), and in the first edition of IEC 61000-3-12 (2004). The concepts in this technical report apply to all low voltage AC systems, but the numerical values apply specifically to the European 230 V/400 V 50 Hz system.

Технические детали

Технический комитет: SC 77A - EMC - Low frequency phenomena
SKU: IEC TR 61000-1-4:2005

Abstract

Overview

IEC TR 61000-1-4:2005 - Electromagnetic compatibility (EMC) - Part 1-4 - is a technical report that documents the historical rationale and engineering basis for limits on power-frequency conducted harmonic current emissions in the frequency range up to 2 kHz. It reviews sources and effects of conducted harmonics on the public electricity supply and explains the reasoning and calculations that led to the emission limits contained in earlier editions of IEC 61000-3-2 (up to the 2000 edition and 2001 amendment) and the first edition of IEC 61000-3-12 (2004). While the concepts are applicable to all low-voltage AC systems, numerical examples and values in the report specifically reference the European 230 V / 400 V, 50 Hz system.

Key topics

Sources and effects of conducted harmonic currents: analysis of equipment-generated harmonics and their impact on power quality and distribution networks.
Historical development of emission limits: timeline and rationale behind the evolution of IEC 61000-3-2 and IEC 61000-3-12.
Derivation of limits: compatibility levels, compensation factors and the mathematical reasoning used to convert network compatibility goals into per-equipment emission limits (see Annex G).
Compatibility and immunity concepts: interaction between disturbance levels, immunity levels and system compatibility.
Measurement and weighting concepts: explanations for using Total Harmonic Distortion (THD) and Partial Weighted Harmonic Distortion (PWHD) to assess harmonic impact (Annex H).
Practical examples and comparisons: annexes comparing class limits to typical harmonic spectra (dimmers, discharge lamps, rectifiers) and economic considerations in limit setting.
Economic and policy considerations: trade-offs and cost/benefit analysis that influenced historic limit choices.

Applications and users

IEC TR 61000-1-4 is a background and justification document intended for:

EMC engineers and product designers seeking to understand why harmonic limits exist and how they were derived.
Power quality and utility engineers evaluating the effect of aggregated non-linear loads on distribution networks.
Test laboratories and compliance teams needing context for harmonic emission standards (IEC 61000-3-2 / 3-12).
Regulators and standards committees reviewing or updating harmonic emission policy and limits.
Researchers and educators studying historical standardization and harmonic mitigation strategies.

Using the report helps stakeholders interpret harmonic limits, plan mitigation (filters, design changes), and assess compliance impact on system compatibility and power quality.

Related standards

IEC 61000-3-2 - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)
IEC 61000-3-12 - Limits for equipment with larger currents / special cases
IEC 61000-2-2 and IEC 61000-3-3 - Environment compatibility levels and flicker/voltage fluctuation limits

Keywords: IEC TR 61000-1-4:2005, EMC, harmonic current emissions, conducted harmonics, power-frequency, low voltage AC systems, 230 V / 400 V 50 Hz, IEC 61000-3-2, IEC 61000-3-12, THD, power quality.

Overview

Key topics

Sources and effects of conducted harmonic currents: analysis of equipment-generated harmonics and their impact on power quality and distribution networks.
Historical development of emission limits: timeline and rationale behind the evolution of IEC 61000-3-2 and IEC 61000-3-12.
Derivation of limits: compatibility levels, compensation factors and the mathematical reasoning used to convert network compatibility goals into per-equipment emission limits (see Annex G).
Compatibility and immunity concepts: interaction between disturbance levels, immunity levels and system compatibility.
Measurement and weighting concepts: explanations for using Total Harmonic Distortion (THD) and Partial Weighted Harmonic Distortion (PWHD) to assess harmonic impact (Annex H).
Practical examples and comparisons: annexes comparing class limits to typical harmonic spectra (dimmers, discharge lamps, rectifiers) and economic considerations in limit setting.
Economic and policy considerations: trade-offs and cost/benefit analysis that influenced historic limit choices.

Applications and users

IEC TR 61000-1-4 is a background and justification document intended for:

EMC engineers and product designers seeking to understand why harmonic limits exist and how they were derived.
Power quality and utility engineers evaluating the effect of aggregated non-linear loads on distribution networks.
Test laboratories and compliance teams needing context for harmonic emission standards (IEC 61000-3-2 / 3-12).
Regulators and standards committees reviewing or updating harmonic emission policy and limits.
Researchers and educators studying historical standardization and harmonic mitigation strategies.

Using the report helps stakeholders interpret harmonic limits, plan mitigation (filters, design changes), and assess compliance impact on system compatibility and power quality.

Related standards

IEC 61000-3-2 - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)
IEC 61000-3-12 - Limits for equipment with larger currents / special cases
IEC 61000-2-2 and IEC 61000-3-3 - Environment compatibility levels and flicker/voltage fluctuation limits

Keywords: IEC TR 61000-1-4:2005, EMC, harmonic current emissions, conducted harmonics, power-frequency, low voltage AC systems, 230 V / 400 V 50 Hz, IEC 61000-3-2, IEC 61000-3-12, THD, power quality.

IEC TR 61000-1-4:2005 PDF

Технические детали

Abstract

Overview

Key topics

Applications and users

Related standards

Похожие стандарты

Abstract

Overview

Key topics

Applications and users

Related standards

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