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    IEC 60071-1:2006

    Insulation co-ordination - Part 1: Definitions, principles and rules
    • 발행일 : 2006-01-23
    • 발행기관 : IEC
    • 대체표준 : IEC 60071-1:2019
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분야 TC 99 : Insulation co-ordination and system engineering of high voltage electrical power installations above 1,0 kV AC and 1,5 kV DC
적용범위 IEC 60071-1:2006 applies to three-phase a.c. systems having a highest voltage for equipment above 1 kV. It specifies the procedure for the selection of the rated withstand voltages for the phase-to-earth, phase-to-phase and longitudinal insulation of the equipment and the installations of these systems. It also gives the lists of the standard withstand voltages from which the rated withstand voltages should be selected. This standard recommends that the selected withstand voltages should be associated with the highest voltage for equipment. This association is for insulation co-ordination purposes only. The requirements for human safety are not covered by this standard. Although the principles of this standard also apply to transmission line insulation, the values of their withstand voltages may be different from the standard rated withstand voltages. The apparatus committees are responsible for specifying the rated withstand voltages and the test procedures suitable for the relevant equipment taking into consideration the recommendations of this standard. NOTE: In IEC 60071-2, Application Guide, all rules for insulation co ordination given in this standard are justified in detail, in particular the association of the standard rated withstand voltages with the highest voltage for equipment. When more than one set of standard rated withstand voltages is associated with the same highest voltage for equipment, guidance is provided for the selection of the most suitable set. The main changes from the previous edition are as follows:
- in the definitions (3.26, 3.28 and 3.29) and in the environmental conditions (5.9) taken into account clarification of the atmospheric and altitude corrections involved in the insulation co-ordination process;
- in the list of standard rated short-duration power frequency withstand voltages reported in 5.6 addition of 115 kV;
- in the list of standard rated impulse withstand voltages reported in 5.7, addition of 200 kV and 380 kV;
- in the standard insulation levels for range I (1kV < Um ≤ 245 kV) (Table 2) addition of the highest voltage for equipment Um = 100 kV;
- in the standard insulation levels for range II (Um ≤ 245 kV) (Table 3) replacement of 525 kV by 550 kV and of 765 kV by 800 kV;
- in order to remove that part in the next revision of IEC 60071-2, addition of Annex A dealing with clearances in air to assure a specified impulse withstand voltage in installation;
- in Annex B, limitation at two Um values for the values of rated insulation levels for 1kV < Um ≤ 245 kV for highest voltages for equipment Um not standardized by IEC based on current practice in some countries.
It has the status of a horizontal standard in accordance with IEC Guide 108.
국제분류(ICS)코드 29.080.30 : 절연 시스템
페이지수 69
Edition 8.0

이력정보

No. 표준번호 표준명 발행일 상태
1 IEC 60071-1:2019상세보기 Insulation co-ordination - Part 1: Definitions, principles and rules 2019-08-08 표준
2 IEC 60071-1:2019 RLV상세보기 Insulation co-ordination - Part 1: Definitions, principles and rules 2019-08-08 표준
3 IEC 60071-1:2006+AMD1:2010 CSV상세보기 Insulation co-ordination - Part 1: Definitions, principles and rules 2011-03-30 구판
4 IEC 60071-1:2006/AMD1:2010상세보기 Amendment 1 - Insulation co-ordination - Part 1: Definitions, principles and rules 2010-01-14 구판
5 IEC 60071-1:2006상세보기 Insulation co-ordination - Part 1: Definitions, principles and rules 2006-01-23 구판
6 IEC 60071-1:1993상세보기 Insulation co-ordination - Part 1: Definitions, principles and rules 1993-11-30 구판
7 IEC 60071-1:1976상세보기 Insulation co-ordination - Part 1: Terms, definitions, principles and rules 1976-01-01 구판

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