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SAE ARP1940 Solid-State Frequency Converter 400 Hertz, 3-Phase Output

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Product Code:SAE ARP1940
Title:Solid-State Frequency Converter 400 Hertz, 3-Phase Output
Issuing Committee:Age-2c Vehicle Maintenance And Aircraft Servicing Committee
Scope: This specification covers the requirements for solid-state frequency converters with 480 (or 380) V 3-phase, 60 (or 50) Hz input and 115/200V, 3-phase, 400 Hz output capable of powering aircraft type loads requiring MIL-STD-704D quality power. The frequency converter shall be a self-contained unit suitable for the environment of intended use. Typical applications include dedicated use at passenger loading bridges (mounted under the bridge in telescoping bridge applications or fixed installation at base of stationary type loading bridges) with weatherproof enclosures or hangar/lab use where indoor fixed or portable units can be used.
Rationale: This specification covers the requirements for solid-state frequency converters with 480 (or 380) V 3-phase, 60 (or 50) Hz input and 115/200V, 3-phase, 400 Hz output capable of powering aircraft type loads requiring MIL-STD-704D quality power. The frequency converter shall be a self-contained unit suitable for the environment of intended use. Typical applications include dedicated use at passenger loading bridges (mounted under the bridge in telescoping bridge applications or fixed installation at base of stationary type loading bridges) with weatherproof enclosures or hangar/lab use where indoor fixed or portable units can be used.
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MIL-D-50030H (NOTICE 2), MILITARY SPECIFICATION: DECONTAMINATING AGENT, D82 (27 MAR 2006) [S/S BY MIL-DTL-12468]., MIL-D-50030(EA) is inactive for new design and is no longer used except for replacement purposes.
基本信息
标准名称:圆柱螺旋弹簧抽样检查
英文名称:Sampling procedures for inspection by attributes of coied helical springs
中标分类: 机械 >> 通用零部件 >> 弹簧
ICS分类: 机械系统和通用件 >> 弹簧
替代情况:JB/T 7944-1995(原标准号GB 1239.5-1989)
发布部门:全国弹簧标准化技术委员会
发布日期:2000-04-24
实施日期:2000-10-01
首发日期:1900-01-01
作废日期:1900-01-01
归口单位:全国弹簧标准化技术委员会
出版社:机械工业出版社
出版日期:2004-04-24
页数:6 页
批文号:国机管[2000]187号
适用范围

JB/T 7944-2000 本标准是对JB/T 7944-95《圆柱螺旋弹簧 抽样检查》的修订。 本标准规定了圆柱螺旋弹簧抽样方法。 本标准适用于冷卷与热卷圆柱螺旋弹簧压缩、拉伸弹簧和冷卷圆柱螺旋扭转弹簧。 本标准不适用于气门弹簧、液压件弹簧以及柴油机喷油泵、调速器、喷油器等特殊要求的弹簧。 本标准于1989年以GB 1239.5-89首次发布,于1996年标准号调整为JB/T 7944-95。

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所属分类: 机械 通用零部件 弹簧 机械系统和通用件 弹簧