Design and Optimization of Overhead Transmission Lines using PLS-CADD Software. Course Outline

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1 Design and Optimization of Overhead Transmission Lines using PLS-CADD Software Course Outline DAYS 1-4: PLS-CADD Beginners Introductions Overview of PLS software PLS Transmission Structure Programs overview PLS-CADD core module PLS-CADD/Lite structure & span analysis PLS-POLE (Wood / Concrete / Steel / Mast & Laminated) TOWER SAPS FE analysis of conductor system CAISSON standalone pile foundation analysis OPTIMUM optimum spotting of structures Presentation of completed & example projects Getting Started PLS file structures & project files File Menu Backup, Preferences Help Menu Introduction to Modelling in PLS-CADD Simple PFL project Manual profile entry / editing Terrain Feature Codes - creation / display / clearances Method 1 suspension structure creation o Geometry o Strength - Wind / Weight spans Structure spotting - manual o Structure Add / Delete / Modify / Move o Move on snap Criteria (Method 1) o Catenary constant o Tensions horizontal, vertical, tangential o Ruling Span concept o Sag Tension o Creep Initial v Creep v Max Load Conductor stringing / manual sagging o Cable files non-linear vs. linear (simplified) Page 1

2 View menu Profile / Plan / 3D views Window/Tile views (2 screens) Labels structure numbers Mouse & keyboard navigation Z, P, G shortcuts Structure / Section Checks / Bitmaps F1 display options Customisations & Toolbars PFL scan and digitize existing projects Attaching drawings Calibrating & cropping attachments Digitising PFL points Method 1 structures 2 or 3 pole Structure spotting / matching existing o Automatic spotting o Site specific copies o Customise - move attachment point Stringing o Graphical sag o Transposition XYZ Terrain Modelling in PLS-CADD 3D terrain data and survey techniques Generate, edit & import XYZ terrain models File import Import format Generate, edit or import standard feature codes table Create alignments, profiles and side profiles Add PI Automatic alignment Reverse alignment Delete Small PI s Terrain Menu Info / Clearance Survey Data Display options Clearance Line Terrain widths Side profiles TIN creation / display Break Lines Interpolated survey points Create Method 1 line post structures Material Multiple Save Page 2

3 Structure spotting Copy / Paste n Paste Staking Table Conductor Stringing Section Add Section Copy / Paste Auto Stringing Section Table Conductor Sagging Auto-sag Sections Menu items Add / Modify / Remove / Copy Display Options Sag-Tension Check Stringing Charts Offset Clipping EMF / Thermal Rating Crossings: Conductor clearance Offset structures Additional alignment C shortcut key Lines Menu: Edit / Merge / Clear All / New DON files / Merge projects Reports o Design o Project Documentation o Construction Terrain clearances: Survey point clearance Vegetation management Isoclearances Sheets View: Drafting Menu Settings Border / bitmap / North attachments Lines & Annotation: o Add / Edit / Delete / Move o Toolbar Exporting results: DXF file export KML export Google Earth Digital Terrain Modelling in PLS-CADD DTM vs. survey data full 3D capability Import XYZ from DXF attachment Filtering XYZ data Create TIN terrain models Page 3

4 Importing Break lines from DXF Multiple alignment options Interpolated data points Attach DXF and Bitmaps to plan, profile or sheet Image management o Move / Stretch / Info / Calibrate / Crop o ECW file conversion o Image drawing options Files, Backup and Restore, Support Project window Backup / Restore backup PLS site, news, forum, tech. support Optimum Spotting Available structures Spotting constraints Optimum spotting Minimum cost outcome SAPS Finite Element Analysis of Lines Ruling span limitations Concentrated loads PLS-CADD/ LITE - simplified PLS-CADD module Quick sag/ tension calculations Create load files for structures created in TOWER, POLE and PLS-CADD Generate Method 1 & 2 structures Clearance between wires Loads on structures with many cables attached in various directions SAPS analysis of unstayed structures SAPS FE Modelling Existing Lines, Assessment and Refurbishing Modelling existing lines and structures LIDAR/ALS modelling of existing lines Assessment, reconductoring, refurbishing, etc.. Unbalanced ice, RSL after broken conductor, marker balls, Structure deflection, etc. Graphical sagging matching existing Foundations - CAISSON Foundation design principles Modelling in CAISSON Application in PLS-CADD Page 4

5 DAYS 5-6: Introduction to PLS-POLE & TOWER Method 4 Structures Introduction to PLS-POLE General data Components libraries Geometry Guys Equipment Loads Linking to PLS-CADD Method 4 Criteria Load / Strength factors Serviceability v Limit State Code specific loading parameters Adjust Cable loads broken wire, unbalanced loads etc Structure Loads report Structure Checks Introduction to TOWER Overview Program functionality File menu o Preferences o Model diff o Batch Modify o Analyse multiple models View menu o Controls o Distances o Info options o Display options o Customisations General menu o General data o User options o Attachments o Annotation Help menu Example towers ex1codes.tow o Truss vs Beams o Redundants o Face o Member / Joint / Group Info ex4.tow o Tension only members o Members override ex5.tow o Alternating bracing o Beam members only Page 5

6 Components libraries Steel material yield / ult stress Angles type, size & specs Bolts Cables Equipment Insulators Default Geometry Preferences Joints o Primary define outline of tower o Secondary lie on projection of primary joints o XYZ axes o Origin (0,0,0) centre base of body o XY symmetry o Labels o Restraints fixed & rotational Coding Sheets o Joint circles o Primary / secondary o Symmetry (joints on face cannot have XY symmetry) Sections o Normally defined later Angle Groups o Labels short but sensible (ZZ*** for fictitious members) o Description o Type & size o Material o Element type (beam / truss / tension only) o Group type (leg / other / redundant / fictitious / crossing diag) o Optimisation (none / size only / size & type / same # members / max size) Members o Group membership o Label (useful but not as important as Group label) o Symmetry o Joints origin / end o Eccentricity / Restraint codes o Bracing ratios o Connection info bolts (# off / spacing / edge dist / defaults) o Connector inspector Sections o Define by joint / member o Colour o Dead load adjustment factors o Drag factors Face / All / Code / SAPS Guys / Cables o Adjust tensions EIA / TIA masts only Equipment o Antennae o Radomes Page 6

7 Member Overrides o Compression / tension capacity o Face membership Graphical Member o Add o Split o Face o Fence override Dead Loads & Drag Areas Insulators o Library generally different to POLE o Optional attachment point restriction PLS-CADD link Material options Loads Model Check Run Results Interactive member sizing Optimise Auto-fix angles Super sets Sample tower modelling Coding sheet Joints Groups Members graphical add Sections Loads Check Run Interactive member sizing Optimisation of tower Page 7

Report on Reports. Jesse Kohler, P.E. Power Line Systems, Inc. Power Line Systems PLS CADD Advanced Training and User Group IT S THE SOLUTION

Report on Reports. Jesse Kohler, P.E. Power Line Systems, Inc. Power Line Systems PLS CADD Advanced Training and User Group IT S THE SOLUTION Power Line Systems IT S ALL ABOUT YOUR POWER LINES 2015 PLS CADD Advanced Training and User Group Report on Reports by Jesse Kohler, P.E. Power Line Systems, Inc. 6/11/2015 Power Line Systems, Inc. IT