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Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels
| 분야 | TC 20 : Electric cables |
|---|---|
| 적용범위 | IEC 60287-2-3:2024 describes a method for calculating the continuous current rating factor for cables of all voltages installed in ventilated tunnels. The method is applicable to any type of cable. The method applies to natural as well as forced ventilation. Longitudinal heat transfer within the cables and the surroundings of the tunnel is assumed to be negligible. All cables are assumed to be identical within the tunnel and it is assumed that the tunnel cross-section does not change with distance along the tunnel. |
| 국제분류(ICS)코드 | 29.060.20 : 케이블 |
| 페이지수 | 25 |
| Edition | 2.0 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | IEC 60287-2-3:2024 | Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels | 2024-06-28 | 표준 |
| 2 | IEC 60287-2-3:2024 RLV | Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels | 2024-06-28 | 표준 |
| 3 | IEC 60287-2-3:2017 | Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels | 2017-04-11 | 구판 |
IEC 60287-2-2:1995 - Electric cables - Calculation of the current rating - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air, protected from solar radiation 상세보기
IEC 60287-3-3:2007 - Electric cables - Calculation of the current rating - Part 3-3: Sections on operating conditions - Cables crossing external heat sources 상세보기
IEC 60287-3-2:2012 - Electric cables - Calculation of the current rating - Part 3-2: Sections on operating conditions - Economic optimization of power cable size 상세보기
IEC 60287-3-1:2017 - Electric cables - Calculation of the current rating - Part 3-1: Operating conditions - Site reference conditions 상세보기
IEC 60287-3-1:2017 RLV - Electric cables - Calculation of the current rating - Part 3-1: Operating conditions - Site reference conditions 상세보기
IEC 60287-2-1:2023 - Electric cables - Calculation of the current rating - Part 2-1: Thermal resistance - Calculation of thermal resistance 상세보기
IEC 60287-1-3:2023 - Electric cables - Calculation of the current rating - Part 1-3: Current rating equations (100 % load factor) and calculation of losses - Current sharing between parallel single-core cables and calculation of circulating current losses 상세보기
IEC 60287-1-2:2023 - Electric cables - Calculation of the current rating - Part 1-2: Current rating equations (100 % load factor) and calculations of losses - Sheath eddy current loss factors for two circuits in flat formation 상세보기
IEC 60287-1-1:2023 - Electric cables - Calculation of the current rating - Part 1-1: Current rating equations (100 % load factor) and calculation of losses - General 상세보기
IEC 60287-2-2:1995 - Electric cables - Calculation of the current rating - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air, protected from solar radiation 상세보기
IEC TS 63134:2020 - Active assisted living (AAL) use cases 상세보기
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