ASD-STAN PREN 2591-219-1995 Aerospace Series Elements of Electrical and Optical Connection Test Methods Part 219 Voltage Strength for Insulated Terminal Lugs and In-Line Splices (E.pdf

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1、 AECMA PREN*:2591- 219 95 1012311 000952b 261 = Edition approved for publication 1995-09-30 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 C2 Chairman Mr. Pezzetta B-1200 BRUXELLES prEN 2591 -21 9 Edition P 1 Septe

2、mber 1995 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs : Descriptors : Aircraft industry, aircraft equipment, electrical connection equipment, test ENGLISH VERSION Aerospace series Elements

3、of electrical and optical connection Test methods Part 219 : Voltage strength for insulated terminal lugs and in-line splices Srie arospatiale Luft- und Raumfahrt Mthodes dessais Verbindungselemente Organes de connexion lectrique et optique Partie 219 : Tenue en tension des cosses et des prolongateu

4、rs isols Elektrische und optische Prfverfahren Teil 21 9 : Spannungsfestigkeit fr Kabelschuhe und Stoverbinder mit Isolierhulse This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper f

5、or the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affecte

6、d, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for

7、 Standardization) for formal vote. aecma 1995 AECMA PREN*259L- 219 95 = LO123LL 0009528 034 Page 3 prEN 2591 -21 9 : 1995 1 Scope This standard specifies a method for checking the voltage strength of insulated terminal lugs and in- line splices. It shall be used together with EN 2591. 2 Normative re

8、ferences EN 2591 Aerospace series - Elements of electrical and optical connection - Test methods - General 3 Preparation of specimens The specimens shall be fitted with their normal accessories, and wired up in accordance with the technical specification. The following details shall be specified in

9、the technical specification : - number of specimens; - type of cable; - - voltage strength. installation and wiring of specimens; Terminal lugs To facilitate the test, the spade end may be cut flush with the insulator and this end is insulated by covering with beeswax or some other watertight materi

10、al, making sure that this covering does not cover the area of the barrel deformed by the crimping tool. In-line splices The shortest cable shall be cut flush with the insulator of the in-line splice. This end shall be insulated by coating in the same way as outlined above. 4 Method The crimped compo

11、nent shall be immersed in an aqueous solution containing 5% sodium chloride to a depth that allows the crimped area to be covered. Apply a voltage between the specimen and an immersed electrode situated a maximum of 50 mm from the specimen. This voltage shall be increased gradually, without exceeding 500 V/s, to 1 500 V, 50 Hz or to the voltage strength specified in the technical specification ; it is then kept at this value for a minimum of 60 s. 5 Requirement There shall be no burn-out of the insulation.