Therefore, it should be oriented so that the side with the two braced post insulators are oriented to the right. Changing your Span Projections, where horizontal is the horizontal span distance and the vertical accounts for inclined spans positive values indicate a rise from the origin spans – you can double check your span geometry after you press “OK” and you will have plenty of opportunities to come back into this screen and change your entries later. How do you want to sag wires option: Toggling to the Method 1 side, one can quickly optimize a line, and toggling to Method 4 will allow a full finite element structural analysis of the structures to be completed. Then, the Reverse option could be selected. This means a span line could be completed nearly as fast as just a 1 span line. Select the option to use your own predefined criteria library, download and use an NESC one from our website here , or select the option to create a new criteria library.
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February 26 – March 2, He has designed several families of lattice steel transmission towers and has worked on transmission projects ranging from 69kV to kV utilizing wood, tapered tubular steel, lattice steel, concrete, and laminated wood structures throughout the world.
Power Line Systems
Then, the Reverse option could be selected. Transmission line design engineers Structural engineers Consulting engineers Design, drafting, and CAD technicians Surveyors We recommend you bring your own laptop which must comply with the course laptop requirements.
Note the folder that you cadf saving of these structures to as they will need to be later picked for the optimization process you can change the folder by simply clicking on the folder name button.
Optimization will easily beat any manual spotting process in overall project costs.
For the remainder of this TechNote, it will be assumed that the designer will be using Method 1 structures for optimization. Details will be included on your registration confirmation. A major limitation of the archaic wind and weight span concept is that only pks Wind to Weight Span relationship can be used.
Additionally, the direction of the structure should be paid particularly close attention to.
The designer should then complete the Wire Loads Parameters as desired. You will now see the screen refresh with your wires shown on the left hand side in the profile view and on the right hand side in a 3d view.
Computerized Transmission Line Design
Change these values if you want to model a line angle, but this is not necessary to develop a simple sag-tension report. It is also suggested that constraints be added in both the Plan view to find the obvious constraints such as roads, but also llite the Profile view to look for areas where constructability of the line should be considered. Because this course has limited enrollment, cancellation received after this date and no-shows are subject to the full course fee.
Several items in your in your Criteria ps should be verified. Modify the Model Setup table to select the conductors at each attachment point litee the structure as well as any other changes that might be desired. Switching to Method 4 and rerunning this report will show you how conservative the Wind and Weight Span design method is.
You can also contact Customer Service via email or by calling and asking for the Program Director below. Changing your Span Projections, where horizontal is the horizontal span distance and the vertical accounts for inclined spans positive values indicate a rise from the origin spans – you can double check your span geometry after you press “OK” and you will have plenty of opportunities to come back into this screen and change your entries later.
If this is done, the properties for the first wire in llite Attachment Set can be input, and then that row can easily be copied and then pasted for the remaining Attachment Sets in the line.
How do you want to sag wires option: If you want to see how multiple wires at different conditions interact vadd each other you can select different conditions for each wire. Route selection is beyond the scope of this TechNote and is covered in the manual as well as other TechNotes. The code options will allow you to use various parameters in the resulting structure file names.
Energy: Power: Computerized Transmission Line Design: PLS-CADD Hands-On Training
Imperial or Metric 3D graphics update live to let you visualize your work Span geometry entered as horizontal span length, change in elevation between ends and attachment height above ground. You can download over cable models from our website here or develop your own cables with data provided by your manufacturer.
January 31, Modifying the origin X, Y, and Z values of each span – accept the defaults if you are just interested in obtaining a basic sag-tension run. Some tangents are designed to handle even small line angles, which can be used for the maximum line angle. Payment and Cancelation Policies If you cannot attend, please notify us by no later than one week before your course begins, and we will refund your fee.