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Lay Loss Calculation
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If you have a question regarding coaxial, telephone, and building wire, power cable, insulation, extrusion, bunching, stranding, braiding, etc. post it here.
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TOPIC: Lay Loss Calculation

Lay Loss Calculation 1 year, 7 months ago #1720


Anybody can tell me how to calculate the lay loss in flexible conductor (Class-5).


Re: Lay Loss Calculation 1 year, 7 months ago #1721

Hello klnp_mysore,

I am sure you know that each individual wire in the strand carries a portion of the power and that there is no jumping of electricity from wire to wire. Thus the electricity follows the helix of each wire in the strand.

The best way to determine the the resistance of your strand is:

- First, precisely manufacture the strand according to the specification.

- Second, determine the temperature corrected resistance of the strand according to your specification. The best way to determine the strand resistance is to use a properly calibrated, off-line resistance bridge from a good instrument company such as ASEA Cortaillod ( ).

- Third, develop a long term SPC program for drawing and stranding so that your company can properly control strand manufacture now and in the future.

Peter J. Stewart-Hay
Stewart-Hay Associates
519 641- 3212
The following user(s) said Thank You: Mr Prasd KLN
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