Power quality measurement in power supply systems - Part 1: Power quality instruments (PQI)

IEC 62586-1:2017 specifies product and performance requirements for instruments whose functions include measuring, recording and possibly monitoring power quality parameters in power supply systems, and whose measuring methods (class A or class S) are defined in IEC 61000-4-30.
These requirements are applicable in single, dual- (split phase) and 3-phase AC power supply systems at 50 Hz or 60 Hz.
This edition includes the following significant technical changes with respect to the previous edition:
a) integration of the new measurement functions of IEC 61000-4-30:2015 (e.g. RVC and current functions);
b) integration of the new requirements of IEC/TS 61000-6-5:2015, update of definitions of environment G and H, update of applicable EMC performance criteria;
c) correction of minor mistakes, improvement in specification.
It has the status of a basic EMC publication in accordance with IEC Guide 107.

Mesure de la qualité de l'alimentation dans les réseaux d'alimentation - Partie 1: Instruments de qualité de l'alimentation (PQI)

L'IEC 62586-1:2017 spécifie les exigences produits et les exigences de performances pour les instruments dont les fonctions incluent la mesure, l'enregistrement et, éventuellement, la surveillance des paramètres de qualité des réseaux d'alimentation, dont les méthodes de mesure (classe A ou classe S) sont définies dans l'IEC 61000-4-30.
Ces exigences sont applicables aux réseaux d'alimentation en courant alternatif monophasés, biphasés (phase divisée) et triphasés à 50 Hz ou 60 Hz.
Cette deuxième édition annule et remplace la première édition parue en 2013. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) intégration des nouvelles fonctions de mesure de l'IEC 61000-4-30:2015 (par exemple, fonctions liées aux RVC et au courant);
b) intégration des nouvelles exigences de l'IEC/TS 61000-6-5:2015, mise à jour des définitions des environnements G et H, mise à jour des critères de performance CEM applicables;
c) correction d'erreurs mineures, amélioration des spécifications.
Elle a le statut d'une publication fondamentale en CEM conformément au Guide IEC 107.

General Information

Status
Published
Publication Date
22-May-2017
Current Stage
PPUB - Publication issued
Start Date
23-May-2017
Completion Date
23-May-2017
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IEC 62586-1
Edition 2.0 2017-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM
Power quality measurement in power supply systems –
Part 1: Power quality instruments (PQI)
Mesure de la qualité de l'alimentation dans les réseaux d'alimentation –
Partie 1: Instruments de qualité de l'alimentation (PQI)
IEC 62586-1:2017-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 62586-1
Edition 2.0 2017-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM
Power quality measurement in power supply systems –
Part 1: Power quality instruments (PQI)
Mesure de la qualité de l'alimentation dans les réseaux d'alimentation –
Partie 1: Instruments de qualité de l'alimentation (PQI)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20 ISBN 978-2-8322-4358-9

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 62586-1:2017 © IEC 2017
CONTENTS

FOREWORD ........................................................................................................................... 5

INTRODUCTION ..................................................................................................................... 7

1 Scope .............................................................................................................................. 8

2 Normative references ...................................................................................................... 8

3 Terms, definitions, symbols and abbreviated terms ........................................................ 10

3.1 General definitions ................................................................................................ 10

3.2 Terms and definitions related to environments ...................................................... 11

3.3 Definitions related to uncertainty ........................................................................... 11

3.4 Notations .............................................................................................................. 12

3.4.1 Functions ....................................................................................................... 12

3.4.2 Symbols and abbreviated terms ..................................................................... 12

3.4.3 Indices ........................................................................................................... 12

4 Environmental conditions ............................................................................................... 13

4.1 General ................................................................................................................. 13

4.2 Environments FI1, FI2, FI1-H, FI2-H, FO and FO-H .............................................. 14

4.3 Environments PI, PI-H, PO and PO-H ................................................................... 15

4.4 Relationship between ambient air temperature and relative humidity ..................... 16

5 Ratings .......................................................................................................................... 17

5.1 Rated input energising voltages ............................................................................ 17

5.2 Rated frequencies ................................................................................................. 17

6 Design and construction ................................................................................................ 17

6.1 General ................................................................................................................. 17

6.2 General architecture ............................................................................................. 17

6.3 Functions embedded in PQI-A and PQI-S ............................................................. 18

6.3.1 PQI-A minimum functions definition ............................................................... 18

6.3.2 PQI-S minimum functions definition ............................................................... 19

6.3.3 Summary of IEC 61000-4-30 requirements for functions ................................ 20

6.4 Additional requirements complementary to IEC 61000-4-30 .................................. 21

6.4.1 Data to be provided for testing reasons ......................................................... 21

6.4.2 Resolution of the presented data ................................................................... 23

6.4.3 Clarification about “data flagging” .................................................................. 23

6.4.4 Temperature drift requirement within the rated range of operation for

ambient air temperature ................................................................................. 23

6.5 Safety requirements .............................................................................................. 25

6.6 EMC requirements ................................................................................................ 25

6.6.1 Emissions ...................................................................................................... 25

6.6.2 Immunity ........................................................................................................ 25

6.7 Climatic requirements of PQI ................................................................................ 25

6.8 Mechanical requirements ...................................................................................... 25

6.8.1 Product mechanical robustness ..................................................................... 25

6.8.2 Enclosure robustness .................................................................................... 25

6.9 Degree of protection by enclosures ....................................................................... 26

6.10 Start-up requirements ........................................................................................... 26

---------------------- Page: 4 ----------------------
IEC 62586-1:2017 © IEC 2017 – 3 –

7 Marking and operating instructions ................................................................................ 27

7.1 General ................................................................................................................. 27

7.2 Marking ................................................................................................................. 27

7.3 Operating instructions ........................................................................................... 27

8 Functional, environmental and safety type tests............................................................. 27

8.1 General ................................................................................................................. 27

8.2 Reference conditions for type tests ....................................................................... 28

8.3 Safety tests ........................................................................................................... 28

8.4 EMC tests ............................................................................................................. 28

8.4.1 Emissions ...................................................................................................... 28

8.4.2 Immunity ........................................................................................................ 28

8.5 Climatic tests ........................................................................................................ 29

8.6 Mechanical tests ................................................................................................... 30

8.6.1 Product mechanical robustness ..................................................................... 30

8.6.2 Degree of protection provide by enclosures for electrical equipment

against external mechanical impacts (IK code) .............................................. 31

8.6.3 Degree of protection by enclosure (IP code) .................................................. 31

8.7 Functional and uncertainty tests ............................................................................ 31

9 Routine tests ................................................................................................................. 32

9.1 General ................................................................................................................. 32

9.2 Protective bonding test ......................................................................................... 32

9.3 Dielectric strength test .......................................................................................... 32

9.4 Intrinsic uncertainty test ........................................................................................ 32

10 Declarations .................................................................................................................. 32

11 Re-calibration and re-verification ................................................................................... 32

Annex A (informative) Information about environment “EMC environment G” and

environment “EMC environment H” ....................................................................................... 33

Bibliography .......................................................................................................................... 34

Figure 1 – Instrument generic measurement chain ................................................................ 18

Figure 2 – Uncertainty requirement as a function of temperature .......................................... 24

Figure A.1 – Example for the situation inside a power station ............................................... 33

Table 1 – Products coding table ............................................................................................ 13

Table 2 – Definition of class A products ................................................................................ 13

Table 3 – Definition of class S products ................................................................................ 13

Table 4 – Description of FI1, FI2, FI1-H, FI2-H, FO, FO-H environments .............................. 15

Table 5 – Description of PI, PI-H, PO and PO-H environments .............................................. 16

Table 6 – PQI-A functions ..................................................................................................... 19

Table 7 – PQI-S minimum functions ...................................................................................... 20

Table 8 – Summary of measurements requested for testing .................................................. 22

Table 9 – Uncertainty multipliers for different temperature ranges ......................................... 24

Table 10 – Enclosure mechanical requirements .................................................................... 26

Table 11 – Minimum IP requirements .................................................................................... 26

---------------------- Page: 5 ----------------------
– 4 – IEC 62586-1:2017 © IEC 2017

Table 12 – Characteristics specification template .................................................................. 27

Table 13 – Reference conditions for testing .......................................................................... 28

Table 14 – Performance criteria applicable for EMC testing .................................................. 29

Table 15 – Climatic requirements .......................................................................................... 30

Table 16 – Product mechanical requirements ........................................................................ 31

---------------------- Page: 6 ----------------------
IEC 62586-1:2017 © IEC 2017 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
POWER QUALITY MEASUREMENT IN POWER
SUPPLY SYSTEMS –
Part 1: Power quality instruments (PQI)
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 62586-1 has been prepared by IEC technical committee 85:

Measuring equipment for electrical and electromagnetic quantities.

This second edition cancels and replaces the first edition published in 2013. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:

a) integration of the new measurement functions of IEC 61000-4-30:2015 (e.g. RVC and

current functions);

b) integration of the new requirements of IEC/TS 61000-6-5:2015, update of definitions of

environment G and H, update of applicable EMC performance criteria;
c) correction of minor mistakes, improvement in specification.
---------------------- Page: 7 ----------------------
– 6 – IEC 62586-1:2017 © IEC 2017
The text of this International Standard is based on the following documents:
FDIS Report on voting
85/586/FDIS 85/590/RVD

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

It has the status of a basic EMC publication in accordance with IEC Guide 107.

A list of all parts of the IEC 62586 series, published under the general title Power quality

measurement in power supply systems, can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct

understanding of its contents. Users should therefore print this document using a

colour printer.
---------------------- Page: 8 ----------------------
IEC 62586-1:2017 © IEC 2017 – 7 –
INTRODUCTION

Electricity as delivered to the customers has several characteristics that are variable and that

affect its usefulness to the customers.

Power quality instruments on the market have different characteristics. This document

provides a common system of references in order to facilitate their selection, comparison and

evaluation. This document specifies a classification based on product performance,

environment and safety.

It is acknowledged that IEC 61000-4-30 is a basic EMC publication. Detailed guidance on

instrument performance, performance verification methods, additional influence quantities and

other similar information should, in general, be found in a product standard.

IEC 62586-1 is a product standard that refers to IEC 61000-4-30, IEC 61000-4-7 and

IEC 61000-4-15 for measuring methods. IEC 62586-2 specifies functional tests and
uncertainty requirements for instruments in the scope of IEC 62586-1.

IEC 62586-1 is therefore complementing basic EMC standards with environmental, safety and

performance requirements.
---------------------- Page: 9 ----------------------
– 8 – IEC 62586-1:2017 © IEC 2017
POWER QUALITY MEASUREMENT IN POWER
SUPPLY SYSTEMS –
Part 1: Power quality instruments (PQI)
1 Scope

This part of IEC 62586 specifies product and performance requirements for instruments

whose functions include measuring, recording and possibly monitoring power quality

parameters in power supply systems, and whose measuring methods (class A or class S) are

defined in IEC 61000-4-30.

These requirements are applicable in single, dual- (split phase) and 3-phase AC power supply

systems at 50 Hz or 60 Hz.
These instruments can be used:

• in the generation, transmission and distribution of electricity, for example inside a power

station, substation or a distributed generator connection;

• at the interface point between the installation and the network, e.g. in order to check the

compliance of the connection agreement between a network operator and the customer.

NOTE These instruments can also be used for other applications, e.g. inside commercial / industrial installations

especially where comparable measurements are needed (i.e. data centres or petrochemical plants).

These instruments are fixed-installed or portable. They are intended to be used both indoors

and/or outdoors.

Devices such as digital fault recorders, energy/power meters, protection relays or circuit

breakers can include power quality functions of class A or class S defined in IEC 61000-4-30.

If such devices are specified according to this document, then this document fully applies and

applies in addition to the relevant product standard. This document does not replace the

relevant product standard.

This document does not address the user interface or topics unrelated to measurement

performance of device.

This document does not cover post-processing and interpretation of the data with, for example,

dedicated software.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their

content constitutes requirements of this document. For dated references, only the edition

cited applies. For undated references, the latest edition of the referenced document (including

any amendments) applies.
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 60068-2-1, Environmental testing – Part 2-1: Tests – Tests A: Cold
IEC 60068-2-2, Environmental testing – Part 2-2: Tests – Tests B: Dry heat
---------------------- Page: 10 ----------------------
IEC 62586-1:2017 © IEC 2017 – 9 –

IEC 60068-2-6, Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal)

IEC 60068-2-14, Environmental testing – Part 2-14 Tests – Test N: Change of temperature

IEC 60068-2-27, Environmental testing – Part 2-27: Tests – Test Ea and guidance: Shock

IEC 60068-2-31, Environmental testing – Part 2-31: Tests – Test Ec: Rough handling shocks,

primarily for equipment-type specimens

IEC 60068-2-52, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic (sodium

chloride solution)

IEC 60068-2-57, Environmental testing – Part 2-57: Tests – Test Ff: Vibration – Time-history

and sine-beat method

IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady

state
IEC 60529, Degrees of protection provided by enclosures (IP Code)

IEC 60654-1, Industrial-process measurement and control equipment – Operating conditions –

Part 1: Climatic conditions

IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:

Principles, requirements and tests

IEC 60721-3-1, Classification of environmental conditions – Part 3: Classification of groups of

environmental parameters and their severities – Section 1: Storage

IEC 60721-3-2, Classification of environmental conditions – Part 3: Classification of groups of

environmental parameters and their severities – Section 2: Transportation

IEC 60721-3-3, Classification of environmental conditions – Part 3: Classification of groups of

environmental parameters and their severities – Section 3: Stationary use at weatherprotected

locations
IEC 61000-4-7:2002, 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
Amendment 1:2008

IEC 61000-4-15, Electromagnetic compatibility (EMC) – Part 4-15: Testing and measurement

techniques – Flickermeter – Functional and design specifications

IEC 61000-4-30:2015, Electromagnetic compatibility (EMC) – Part 4-30: Testing and

measurement techniques – Power quality measurement methods

IEC 61000-6-5, Electromagnetic compatibility (EMC) – Part 6-5: Generic standards –

Immunity for power station and substation environments

IEC 61010-1:2010, Safety requirements for electrical equipment for measurement, control,

and laboratory use – Part 1: General requirements

IEC 61010-2-030, Safety requirements for electrical equipment for measurement, control, and

laboratory use – Part 2-030: Particular requirements for testing and measuring circuits

---------------------- Page: 11 ----------------------
– 10 – IEC 62586-1:2017 © IEC 2017

IEC 62262, Degrees of protection provided by enclosures for electrical equipment against

external mechanical impacts (IK code)

IEC 62586-2, Power quality measurement in power supply systems – Part 2: Functional tests

and un
...

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