BS EN 3475-604-2010 航空航天系列.航空器用电缆.试验方法.第604部分:耐干弧光的传播性能

标准号：BS EN 3475-604-2010
中文标准名称：航空航天系列.航空器用电缆.试验方法.第604部分:耐干弧光的传播性能
英文标准名称：Aerospace series.Cables, electrical, aircraft use.Test methods. Part 604: Resistance to dry arc propagation
标准类型：V25
发布日期：2010/8/31 12:00:00
实施日期：2010/8/31 12:00:00
中国标准分类号：V25
国际标准分类号：49.060
适用范围：This standard specifies a method for appraising the behaviour of cable insulation when an electric arc isinitiated and maintained by two powered cables rubbing against a blade.This standard shall be used together with EN 3475-100.The primary aim of this test is:? to produce, in a controlled fashion, continuous failure effects which are representative of those which mayoccur in service when a typical cable bundle is damaged by abrasion such that electrical arcing occurs,both between cables and between cables and conductive structure; and? to examine the aptitude of the insulation to track, to propagate electric arc to the electrical origin.Originally defined for 115 Vac network, this test also proposes conditions for 230 Vac network. Unlessotherwise specified in product standard, only 115 Vac conditions shall be satisfied.Six levels of prospective fault current have been specified for concerned cable sizes (see Clause 7). It isgenerally agreed that larger sizes need not be assessed since the short-circuit phenomenon becomesdominant at low line impedances.Unless otherwise specified in the technical/product standard sizes 002, 006 and 020 cable shall be assessed.