Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 2: System aspects

IEC 62689-2:2016 describes electric phenomena and electric system behaviour during faults, according to the most widely diffused distribution system architecture and to fault typologies, to define the functional requirements for fault passage indicators (FPI) and distribution substation units (DSU) (including their current and/or voltage sensors), which are, respectively, a device or a device/combination of devices and/or of functions able to detect faults and provide indications about their localization. By localization of the fault is meant the fault position with respect to the FPI/DSU installation point on the network (upstream or downstream from the FPI/DSU's location) or the direction of the fault current flowing through the FPI itself. The fault localization may be obtained - directly from the FPI/DSU, or - from a central system using information from more FPIs or DSUs, considering the features and the operating conditions of the electric system where the FPIs/DSUs are installed. This part of IEC 62689 is therefore aimed at helping users in the appropriate choice of FPIs/DSUs (or of a system based on FPI/DSU information) properly operating in their networks, considering adopted solutions and operation rules (defined by tradition and/or depending on possible constraints concerning continuity and quality of voltage supply defined by a national regulator), and also taking into account complexity of the apparatus and consequent cost. This part of IEC 62689 is mainly focused on system behaviour during faults, which is the "core" of FPI/DSU fault detection capability classes described in IEC 62689-1, where all requirements are specified in detail.

Strom- und Spannungs-Sensoren oder Anzeigegeräte zur Erkennung von Kurz- und Erdschlüssen - Teil 2: Systemaspekte

Capteurs ou détecteurs de courant et de tension, à utiliser pour indiquer le passage d'un courant de défaut - Partie 2: Aspects systèmes

L'IEC 62689-2:2016 décrit les phénomènes électriques et le comportement de réseaux électriques en présence de défauts, selon l'architecture de système de distribution la plus diffusée et les typologies de défauts. Il définit les exigences fonctionnelles pour les indicateurs de passage de courant de défaut (FPI) et les unités de poste de distribution (DSU) (y compris pour leurs capteurs de courant et/ou de tension) qui sont respectivement matérialisés par un dispositif ou un dispositif/une combinaison de dispositifs et/ou de fonctions pouvant détecter des défauts et les localiser. La localisation d'un défaut est définie par la position du défaut par rapport au point d'installation des FPI/DSU sur le réseau (en amont ou en aval de l'emplacement des FPI/DSU) ou la direction du courant de défaut qui traverse le FPI. La localisation du défaut peut être obtenue: - directement depuis le FPI/la DSU, ou - depuis un système central, à l'aide des informations d'autres FPI ou DSU, en tenant compte des fonctionnalités et des conditions d'exploitation du réseau électrique sur lequel les FPI/DSU sont installés. Par conséquent, l'objectif de la présente partie de l'IEC 62689 est d'aider les utilisateurs à bien choisir leur FPI/DSU (ou un système utilisant des informations de FPI/DSU) pour une exploitation optimale sur leurs réseaux, en prenant en considération les solutions adoptées et les règles d'exploitation (définies par la coutume et/ou en fonction des éventuelles contraintes relatives à la continuité et la qualité de la tension d'alimentation définies par l'organisme national de règlementation), sans oublier la complexité et le coût de l'appareil. Dans la présente partie de l'IEC 62689, le premier "niveau" de classification FPI/DSU est défini, d'après le comportement du réseau en présence de défauts. La classification FPI/DSU est développée de manière exhaustive dans l'IEC 62689-1, dans laquelle toutes les exigences sont définies.

Tokovna in napetostna zaznavala in detektorji, ki se uporabljajo za javljanje mesta okvare - 2. del: Sistemski vidiki (IEC 62689-2:2016)

Ta del standarda IEC 62689 opisuje električne pojave in obnašanje električnega sistema med okvarami skladno z najbolj razširjeno arhitekturo distribucijskega sistema in tipologijami okvar za namene opredelitve funkcionalnih zahtev za javljalnike mesta okvare (FPI) in distribucijske postaje (DSU) (vključno z njihovimi zaznavali za tok in/ali napetost), ki so naprava ali naprava/skupek naprav in/ali funkcij, ki lahko zaznajo okvare in podajo indikacije glede njihove lokalizacije.
Lokalizacija okvare pomeni mesto okvare glede na mesto namestitve javljalnika mesta okvare/distribucijske postaje v omrežju (na visoko- ali nizkonapetostni strani glede na javljalnik mesta okvare/distribucijsko postajo) ali smer okvarnega toka, ki teče skozi javljalnik mesta okvare. Lokalizacija okvare se lahko pridobi
• neposredno iz javljalnika mesta okvare/distribucijske postaje ali
• pri centralnem sistemu z uporabo informacij več javljalnikov mesta okvare ali distribucijskih postaj,
ob upoštevanju lastnosti in obratovalnih pogojev električnega sistema, v katerem so nameščeni javljalniki mesta okvare/distribucijske postaje.
Ta del standarda IEC 62689 je tako namenjen pomoči uporabnikom pri izbiri ustreznih javljalnikov mesta okvare/distribucijskih postaj (ali sistema, ki temelji na informacijah javljalnika mesta okvare/distribucijske postaje), ki pravilno delujejo v njihovih omrežjih glede na sprejete rešitve in pravila delovanja (opredeljena skladno z običaji in/ali glede na možne omejitve glede neprekinjenosti in kakovosti napajanja, ki jih opredeli nacionalni organ), pri čemer se upoštevajo tudi kompleksnost naprave in posledični stroški.
Ta del standarda IEC 62689 se osredotoča predvsem na obnašanje sistema med okvarami, kar predstavlja »jedro« razredov zmogljivosti zaznavanja okvar javljalnikov mesta okvare/distribucijskih postaj, opisanih v standardu IEC 62689-1, ki vsebuje podrobne opise vseh zahtev.

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SIST EN 62689-2:2017
Tokovna in napetostna zaznavala in detektorji, ki se uporabljajo za javljanje mesta
okvare - 2. del: Sistemski vidiki (IEC 62689-2:2016)
Current and voltage sensors or detectors, to be used for fault passage indication
purposes - Part 2: System aspects (IEC 62689-2:2016)
Ta slovenski standard je istoveten z: EN 62689-2:2017
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
SIST EN 62689-2:2017 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62689-2:2017

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SIST EN 62689-2:2017



September 2017
ICS 17.220.20

English Version
Current and voltage sensors or detectors, to be used for fault
passage indication purposes - Part 2: System aspects
(IEC 62689-2:2016)
Capteurs ou détecteurs de courant et de tension, à utiliser Strom- und Spannungs-Sensoren oder Anzeigegeräte zur
pour indiquer le passage d'un courant de défaut - Erkennung von Kurz- und Erdschlüssen -
Partie 2: Aspects systèmes Teil 2: Systemaspekte
(IEC 62689-2:2016) (IEC 62689-2:2016)
This European Standard was approved by CENELEC on 2017-06-17. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62689-2:2017 E

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SIST EN 62689-2:2017
EN 62689-2:2017
European foreword
The text of document 38/504/FDIS, future edition 1 of IEC 62689-2, prepared by IEC/TC 38
"Instrument transformers" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 62689-2:2017.

The following dates are fixed:
(dop) 2018-03-22
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-09-22
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62689-2:2016 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60044-7 NOTE Harmonized as EN 60044-7.
IEC 60044-8 NOTE Harmonized as EN 60044-8.
IEC 60721-3-4 NOTE Harmonized as EN 60721-3-4.
IEC 60870-5-101 NOTE Harmonized as EN 60870-5-101.
IEC 60870-5-104 NOTE Harmonized as EN 60870-5-104.
IEC 61850-7-2 NOTE Harmonized as EN 61850-7-2.
IEC 61850-7-3 NOTE Harmonized as EN 61850-7-3.
IEC 61869-1 NOTE Harmonized as EN 61869-1.
IEC 61869-4 NOTE Harmonized as EN 61869-4.
IEC 61869-6 NOTE Harmonized as EN 61869-6.

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SIST EN 62689-2:2017
EN 62689-2:2017
Annex ZA

Normative references to international publications
with their corresponding European publications

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

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