ASD-STAN PREN 3830-1995 Aerospace Series Electrical System Load Analysis (Edition P 1)《航空航天系列 电气系统负载分析 第P1版》.pdf

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1、AECMA STANDARD prEN 3830 NORME AECMA Edition P 1 AECMA NORM April 1995 DIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 ICs : Edition approved for publication Descriptors : A

2、erospace industry, aircraft, aircraft equipment, electrical supply, electrical system, specification Comments should be sent within six months C 2 Chairman after the date of publication to ENGLISH VERSION Aerospace series Electrical system Load analysis . Srie arospatiale Rseau lectrique Bilan lectr

3、ique Luft- und Raumfahrt Elektrisches Bordnetz Energiebilanz This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. it has been technically

4、 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 affected, physically or functionally, without re-identificati

5、on of the standard. After examination and signature of the AECMA Standard Checking Centre INPSI 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 Standardization) for formai vote. M. Pezzetta I AECMA

6、 I Technopoiis - 175, rue Jean-Jacques Rousseau 1995-04-28 I 921 38 Issy-les-Moulineaux Cedex - FRANCE I i aecrna 199 AECMA PREN*3830 95 1012311 O008919 8b W Page 2 prEN 3830: 1995 Contents list Introduction Scope Normatives references Definitions Analysis report d.c. load analysis a.c. load analysi

7、s Power source analysis Battery analysis Annex A (informative):Example of power source utilization AECMA PRENx3830 95 1i01i23LL O008920 58“ Page 3 prEN 3830:1995 O Introduction This standard is applicable to a.c. and d.c. aircraft electrical power systems in accordance with EN 2282 and has been prep

8、ared under consideration of MIL-E-7016F. It describes the methods and procedures necessary for the preparation of an electrical load analysis. 1 Scope This standard defines the method to estayish an electrical load analysis which is used to compare the supply capacity of an electrical power generati

9、on system with the power demand of the connected electrical utilization equipment. It shall prove that the power sources are capable of supplying these loads under all electrical power system states and aircraft operating conditions and that specified growth capacity for future requirements is ensur

10、ed. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or rev

11、isions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2282 Aerospace series - Characteristics of aircraft electrical supplies MIL-E-701 6F Electri

12、c load and power source capacity, aircraft, analysis of 3 Definitions For the purposes of this standard, the following definitions apply: 3.1 Electrical load and power source analysis . An electrical load and power source analysis comprises two parts: - an analysis of the capacity of an electrical p

13、ower supply system (power source analysis); - an analysis of the power requirements of the utilization equipment connected to it (load analysis). 3.1 .l Power source analysis A power source analysis determines the capacity of a power supply system to satisfy the connected utilization equipment under

14、 all specified aircraft conditions and provides a calculation of the percentage load growth capacity. 1 ) Published by : Department of Defense (DODI, the Pentagon, Washington D.C. 20301, USA. AECIA PRENr3830 95 W 10123LL O008923 4Lb W w Page 4 prEN 3830: 1995 3.1.2 Load analysis A load analysis is e

15、ssentially a compilation of the electrical loads, grouped in accordance with the busbar arrangement of the supplying power sources, and a summation of the equipment load values required from these during the same aircraft operating conditions as specified for the power source analysis. 3.2 Electrica

16、l system The electrical system is an assembly constituted by the electrical power sources, utilization equipment, control and protection devices and all common cohnections of the installation. 3.2.1 Power supply system A power supply system consists of one or more sources of the same nominal voltage and/or frequency, and the corresponding power distribution system. /. . 1a Y I I I I I l I I I l I I I I I I I I I I I I I I I I I l I I I I I I I I I I l I I I I I l 1 I l I I I I O O O O O O O O a a 4 Cu s si 4 JaMOd a3JilOS PajDJaa