JB/T 10181.11-2014Electric Cables - Calculation of the Current Rating - Part 11: Current Rating Equations (100% Load Factor) and Calculation of Losses - General (English PDF)
电缆载流量计算 第11部分：载流量公式(100%负荷因数)和损耗计算 一般规定
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 10181.11-2014 is the English-translated version of 电缆载流量计算 第11部分：载流量公式(100%负荷因数)和损耗计算 一般规定.
JB/T 10181.11-2014 is part 11 of the recommended Chinese machinery industry standard on the calculation of the current rating of electric cables, and it carries the general provisions for current rating equations at a 100 percent load factor and for the calculation of losses.
It specifies how the current carrying capacity of a cable and its losses are to be calculated. JB/T 10181.11-2014 applies to alternating-current and direct-current cables laid in air or in soil under steady-state operating conditions.
It is declared an identical adoption, marked IDT, of IEC 60287-1-1-2006. Among the standards it quotes are IEC 60027-3, IEC 60141-1, IEC 60228, IEC 60502-1 and IEC 60889. Its classifications are K13 in China and 29.060.20 internationally.
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Document preview — JB/T 10181.11-2014
National Standard of the People's Republic of China
- ICS
- 29.060.20
- Replacing
- JB/T 10181.1-2000
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
1 Foreword
JB/T 10181.11-2014 was issued by MIIT 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 part 11 of the recommended Chinese machinery industry standard on the calculation of the current rating of electric cables, and it carries the general provisions for current rating equations at a 100 percent load factor and for the calculation of losses. It specifies how the current carrying capacity of a cable and its losses are to be calculated. JB/T 10181.11-2014 applies to alternating-current and direct-current cables laid in air or in soil under steady-state operating conditions. It is declared an identical adoption, marked IDT, of IEC 60287-1-1-2006. Among the standards it quotes are IEC 60027-3, IEC 60141-1, IEC 60228, IEC 60502-1 and IEC 60889. Its classifications are K13 in China and 29.060.20 internationally.
3 Normative references
JB/T 10181.11-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
IEC 60027-3
IEC 60028-1925
IEC 60141-1
IEC 60141-2
IEC 60141-3
IEC 60141-4
IEC 60228
IEC 60502-1
IEC 60502-2
IEC 60889
4 About this standard
Issued by: MIIT
English translation: about 23 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 10181.12-2014 — 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 10181.31-2014 — Part 31: Sections on Operating Conditions - Reference Operating Conditions and Selection of Cable Type
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 — 23 pages — is available in the English PDF.
Referenced standards
Normative references
IEC 60027-3 · IEC 60028-1925 · IEC 60141-1 · IEC 60141-2 · IEC 60141-3 · IEC 60141-4 · IEC 60228 · IEC 60502-1 · IEC 60502-2 · IEC 60889
Cited by
- GB/T 41629.1-2022Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV)—Part 1: Test methods and requirements
- GB/T 18890.2-2015Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV (Um=252 kV) —Part 2: Power cables
Similar standards
Editions of JB/T 10181.11
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 10181.11-2014 | Electric Cables - Calculation of the Current Rating - Part 11: Current Rating Equations (100% Load Factor) and Calculation of Losses - General | current edition | Current |
| JB/T 10181.1-2000 | Electric Cables - Calculation of the Current Rating - Part 11: Current Rating Equations (100% Load Factor) and Calculation of Losses - General | previous edition | Superseded |
This page sells the current edition, JB/T 10181.11-2014. Earlier editions are listed for reference only.
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Related Standards
JB/T 10181.12-2014 — Electric Cables - Calculation of the Current Rating - 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 10181.6-2000 — Calculation of the current rating of electric cables - Part 3: Sections on operating conditions Section 2: Economic optimization of power cable size
JB/T 10181.21-2014 — Electric Cables - Calculation of the Current Rating - Part 21: Thermal Resistance - Calculation of Thermal Resistance
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JB/T 10181.11-2014
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