BS 7450:1991
Current
The latest, up-to-date edition.
Method for determination of economic optimization of power cable size
Hardcopy , PDF
English
28-06-1991
Committees responsible
National foreword
Method
Introduction
1. Scope
2. Normative references
3. Symbols
4. Calculation of total costs
5. Determination of economic conductor sizes
Annexes
A. Examples of calculation of economic conductor sizes
B. Mean conductor temperature and resistance
Tables
A.1 Cable details
A.2 Economic loading
A.3 Current-carrying capacity criterion
A.4 Economic loading, standard conductor size for all
sections
Figures
A.1 System layout
A.2 Economic current ranges
A.3 Variation of cost with conductor size
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