K value calculation for K²S²

Duncan Brown — Mon, 20 Feb 2017 16:03:40 GMT

Current Revision posted to Hevacomp Wiki by Duncan Brown on 2/20/2017 4:03:40 PM

	Product(s):	Bentley Electrical Designer
	Version(s):	V8i (N/A)
	Environment:	N/A
	Area:	N/A
	Subarea:	N/A

Overview

When calculating the K value for K²S², Bentley Hevacomp Connect uses a different method than described in BS 7671.

Method

Bentley Hevacomp Connect uses the equation from A Practical Guide to the Wiring Regulations, Geoffrey Stokes, Section 7.5.3, page 117.

This allows the K value to be calculated while considering initial and limited final temperatures. Click on the image below to view full size.