JB/T 10181.31-2014Electric Cables - Calculation of the Current Rating - Part 31: Sections on Operating Conditions - Reference Operating Conditions and Selection of Cable Type (English PDF)
电缆载流量计算 第31部分：运行条件相关 基准运行条件和电缆选型
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 10181.31-2014 is the English-translated version of 电缆载流量计算 第31部分：运行条件相关 基准运行条件和电缆选型.
JB/T 10181.31-2014 is a recommended Chinese machinery industry standard and is part 31 of the series on the calculation of the current rating of electric cables, the part concerned with operating conditions.
It sets the reference operating conditions and the selection of the cable type tied to those conditions. It applies to cables laid in air or in soil, at alternating voltage of 5 kV and below and at direct voltage, working in steady-state conditions.
It is declared an identical adoption of IEC 60287-3-1-1999, and it quotes IEC 60183. The Chinese classification is K13 and the international one 29.060.20, and the Ministry of Industry and Information Technology issued it.
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Document preview — JB/T 10181.31-2014
National Standard of the People's Republic of China
- ICS
- 29.060.20
- Replacing
- JB/T 10181.5-2000
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
1 Foreword
JB/T 10181.31-2014 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 6 May 2014 and has been in force since 1 October 2014.
It is one of 11 parts of the JB/T 10181 series.
2 Scope
This standard is a recommended Chinese machinery industry standard and is part 31 of the series on the calculation of the current rating of electric cables, the part concerned with operating conditions. It sets the reference operating conditions and the selection of the cable type tied to those conditions. It applies to cables laid in air or in soil, at alternating voltage of 5 kV and below and at direct voltage, working in steady-state conditions. It is declared an identical adoption of IEC 60287-3-1-1999, and it quotes IEC 60183. The Chinese classification is K13 and the international one 29.060.20, and the Ministry of Industry and Information Technology issued it.
3 Normative references
JB/T 10181.31-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
IEC 60183
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 10181.1-2000 — Calculation of the current rating of electric cables - Part 1: Current rating equations (100% load factor) and calculation of losses - Section 1: General
JB/T 10181.3-2000 — Calculation of the current rating of electric cables - Part 2: Thermal resistance Section 1: Calculation of thermal resistance
JB/T 10181.4-2000 — Calculation of the current rating of electric cables - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air protected from solar radiation
JB/T 10181.5-2000 — Calculation of the current rating of electric cables - Part 3: Sections on operating conditions Section 1: Reference operating conditions and selection of cable type
JB/T 10181.6-2000 — Calculation of the current rating of electric cables - Part 3: Sections on operating conditions Section 2: Economic optimization of power cable size
JB/T 10181.11-2014 — Part 11: Current Rating Equations (100% Load Factor) and Calculation of Losses - General
JB/T 10181.12-2014 — Part 12: Current Rating Equations (100% Load Factor) and Calculation of Losses-Sheath Eddy Current Loss Factor for Two Circuits in Flat Formation
JB/T 10181.21-2014 — Part 21: Thermal Resistance - Calculation of Thermal Resistance
JB/T 10181.22-2014 — Part 22: Thermal Resistance - A Method for Calculating Reduction Factors for Groups of Cables in Free Air, Protected from Solar Radiation
JB/T 10181.32-2014 — Calculation of the current rating of electric cables - Part 32: Operating conditions - Economic optimization of power cable size
6 Classification and status
International classification (ICS): 29.060.20
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
IEC 60183
Similar standards
Editions of JB/T 10181.31
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 10181.31-2014 | Electric Cables - Calculation of the Current Rating - Part 31: Sections on Operating Conditions - Reference Operating Conditions and Selection of Cable Type | current edition | Current |
| JB/T 10181.5-2000 | Electric Cables - Calculation of the Current Rating - Part 31: Sections on Operating Conditions - Reference Operating Conditions and Selection of Cable Type | previous edition | Superseded |
This page sells the current edition, JB/T 10181.31-2014. Earlier editions are listed for reference only.
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Related Standards
JB/T 10181.32-2014 — Calculation of the current rating of electric cables - Part 32: Operating conditions - Economic optimization of power cable size
JB/T 10181.22-2014 — Electric Cables - Calculation of the Current Rating - Part 22: Thermal Resistance - A Method for Calculating Reduction Factors for Groups of Cables in Free Air, Protected from Solar Radiation
JB/T 10181.21-2014 — Electric Cables - Calculation of the Current Rating - Part 21: Thermal Resistance - Calculation of Thermal Resistance
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JB/T 10181.31-2014
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