Article | REF: D4420 V1

Overhead lines - Line layout and calculation

Author: André CHANAL

Publication date: February 10, 2000

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2. Theoretical line calculations

This section covers theoretical concepts specific to line calculation (chain equation, deflection, change-of-state equation, equivalent span of the adjustment block, etc.).

2.1 Single span

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2.1.1 Chain equation

A simple solution to the problem of span geometry requires certain approximations, in particular neglecting the bending resistance of cables and assuming that they are inextensible. In fact, it has been shown that the extensibility of a cable has little...

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Theoretical line calculations