SIST EN 3475-307:2010
(Main)Aerospace series - Cables, electrical, aircraft use - Test methods - Part 307: Corona extinction voltage
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 307: Corona extinction voltage
This test standard defines methods to cover the detection and measurement of partial discharge (corona) under an applied test voltage, including the determination of partial discharges (corona) inception and extinction voltages as the test voltage is raised and lowered, of electrical cables for aircraft use. It shall be used together with EN 3475-100.
Luft- und Raumfahrt - Elektrische Leitungen für Luftfahrtverwendung - Prüfverfahren - Teil 307: Corona-Aussetzspannung
Diese Prüfnorm legt Verfahren fest, die den Nachweis und die Messung der Teilentladung (Corona) elektrischer
Leitungen für die Verwendung in Luftfahrzeugen unter einer angelegten Prüfspannung umfassen, einschließlich
der Bestimmung der Teilentladungs-(Corona-)einsetzspannung und -aussetzspannung, wenn die
Prüfspannung erhöht oder abgesenkt wird.
Sie muss in Verbindung mit EN 3475-100 angewendet werden.
Série aérospatiale - Câbles électriques à usage aéronautique - Méthodes d'essais - Partie 307: Tension d'extinction corona
Aeronavtika - Električni kabli za uporabo v zračnih plovilih - Preskusne metode - 307. del: Napetost koronske izgube
Ta preskusni standard definira metode, ki pokrivajo zaznavanje in merjenje delne razelektritve (korone) pod testno napetostjo, vključno z določevanjem delnih razelektritev (koron) začetka in ugasnitve napetosti, kadar je preskusna napetost dvignjena in spuščena, električnih kablov za uporabo v zračnih plovilih. Uporablja se skupaj z EN 3475-100.
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Elektrische Leitungen für Luftfahrtverwendung - Prüfverfahren - Teil 307: Corona-AussetzspannungSérie aérospatiale - Câbles électriques à usage aéronautique - Méthodes d'essais - Partie 307: Tension d'extinction coronaAerospace series - Cables, electrical, aircraft use - Test methods - Part 307: Corona extinction voltage49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 3475-307:2010SIST EN 3475-307:2010en01-september-2010SIST EN 3475-307:2010SLOVENSKI
STANDARDSIST EN 3475-307:20061DGRPHãþD
SIST EN 3475-307:2010
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 3475-307
July 2010 ICS 49.060 Supersedes EN 3475-307:2005English Version
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 307: Corona extinction voltage
Série aérospatiale - Câbles électriques à usage aéronautique - Méthodes d'essais - Partie 307 : Tension d'extinction corona
Luft- und Raumfahrt - Elektrische Leitungen für Luftfahrtverwendung - Prüfverfahren - Teil 307: Corona-Aussetzspannung This European Standard was approved by CEN on 20 February 2010.
CEN 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 Management Centre or to any CEN 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 CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3475-307:2010: ESIST EN 3475-307:2010
EN 3475-307:2010 (E) 2 Contents Page Foreword .3Introduction .41Scope .52Normative references .53Terms and definitions .54Applicability .55Apparatus .56Methods .66.1General .66.2Method A .66.3Method B .76.4Method C .87Procedure .98Requirement .9Bibliography . 10 SIST EN 3475-307:2010
EN 3475-307:2010 (E) 3 Foreword This document (EN 3475-307:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2011, and conflicting national standards shall be withdrawn at the latest by January 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 3475-307:2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 3475-307:2010
EN 3475-307:2010 (E) 4 Introduction For an electrical cable, the presence of partial discharges effects at operating voltage may result in a significant reduction of service life. Some insulation materials are more susceptible to such discharge damage than others. Evidence of partial discharges during operation signifies for example: the insulation thickness is insufficient for the applied voltage; the quality of the insulation is inadequate possibly due to excessive size of internal cavities or voids; an overstress is present, resulting in a local reduction of the cable insulation properties. Significant parameters may influence PDIV and PDEV such as pressure, temperature, humidity, previous electrification, rate of the voltage increase. Attention should be given to installation conditions, for example excessive bending or surface wrinkling of insulation should be avoided. Up to few tens of kHz frequency can be considered as non-significant parameter. SIST EN 3475-307:2010
EN 3475-307:2010 (E) 5 1 Scope This test standard defines methods to cover the detection and measurement of partial discharge (corona) under an applied test voltage, including the determination of partial discharges (corona) inception and extinction voltages as the test voltage is raised and lowered, of electrical cables for aircraft use. It shall be used together with EN 3475-100. 2 Normative references The following referenced documents are indispensable for the application 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. EN 3475-100, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 100: General EN 60270, High-voltage test techniques — Partial discharge measurements. ASTM D 1868, Standard test method for detection and measurement of partial discharge (Corona) pulses in evaluation of insulation systems 1) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply.
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