Calculations

Example Models from AS7000 HB 331-2012
The accompanying files are scenarios modelled directly from worked examples in HB 331-2012 Overhead line design. The worked examples are from the follow...
Mon, 10 Oct, 2022 at 2:08 PM
Sag Measurement
This feature can be found by selecting a conductor and then in the properties panel clicking on "Input Field Data" in the Catenary Definition sect...
Mon, 10 Oct, 2022 at 2:13 PM
General Conductor Properties and calculations
  The right hand information panel will display conductor information shown once a conductor has been selected. This information will only be sho...
Fri, 11 Sep, 2020 at 5:15 PM
Blowout Calculation
Blowout Calculation Blowout angle and horizontal distance is calculated as follows: Where: P = wind pressure (Pa) d = conductor diame...
Mon, 10 Oct, 2022 at 2:18 PM
Tip Load Calculations
  Figure 1 - Tip Load Components The total tip load force on pole is the vector sum of the following components:  Transverse Wind Force on Conduc...
Mon, 10 Oct, 2022 at 2:37 PM
Stay Calculation
Stays are modeled to take 100% of the tip load at the chosen environment. The tension in the stay is then calculated as follows: Wher...
Mon, 10 Oct, 2022 at 2:38 PM
Sag Tension Calculation
Figure 1 - Geometry of Overhead Span The shape of the a inelastic conductor between suspended between two supports is described by...
Thu, 11 Aug, 2016 at 4:30 PM
Pole Plant Calculation
Effect on tip load of large pole plants such as pole mounted transformers are calculated as: Ftip = P * A* (hplant / hpole) ...
Thu, 1 Sep, 2016 at 1:31 PM
Span Clearance Calculations
Spacing of conductors on the same supports at mid span The mid span clearance calculation is taken from AS/NZS 7000 2016 3.7.3.2. The k constant defaults t...
Fri, 17 Feb, 2017 at 2:58 PM
Catenary Definition
Here the user may choose from various ways to define the stringing of the conductor and the resulting tension and sag.  In each case a certain property of t...
Wed, 7 Mar, 2018 at 8:47 PM