<< Click to Display Table of Contents >> Navigation: The graphical user interface > Circuit Window > Selection menu > Lines/Cables 
The Lines/Cables menu has several submenus for different types of line models. Available line models are: Lumped parameter models (RLC p, RL coupled), distributed parameter lines with constant (i.e. frequency independent) parameters, lines and cables with constant or frequency dependent parameters (Bergeron, PI, Jmarti, Noda or Semlyen), calculated by means of the LINE CONSTANTS, CABLE CONSTANTS or CABLE PARAMETERS supporting routine of ATPEMTP.
Fig. 4.69 – PIequivalents with electrical data input. 
Lumped parameter line models
RLC Piequiv. 1: These line models are simple, lumped, pequivalents of ATP Type 1, 2, 3 etc. branches of ATP.
RL Coupled 51: These line models are simple, lumped, mutually RL coupled components of Type51, 52, 53 etc. branches of ATP.
The following selections are available in the two popup menus:
Selection 
Object name 
Icon 
ATP card 
Description 
RLC Piequiv. 1.. +1 phase 
LINEPI_1 
BRANCH type 1 
Single phase RLC pequivalent.


RLC Piequiv. 1.. + 2 phase 
LINEPI_2 
BRANCH type 12 
2phase RLC pequivalent Symmetric. 

RLC Piequiv. 1.. + 3 ph. Seq. 
LINEPI_3 
BRANCH type 13 
3phase RLC pequivalent Symmetric. 

RLC Piequiv. 1.. + 3 ph. Seq. 
LINEPI3S 
BRANCH type 13 
3phase RLC pequivalent Symmetrical. 

RLC Piequiv. 1.. + 3x1 ph. Cable 
PI_CAB3S 
BRANCH type 13 
3phase RLC pequivalent No mutual coupling 

RLC Piequiv. 1.. + 6 ph. indiv. transp. 
LINEPI6S 
BRANCH type 16 
6phase RLC pequivalent Individually transposed circuits 

RL Coupled 51.. + 1 phase 
LINERL_1 
BRANCH type 51 
Single phase RL coupled line model. 

RL Coupled 51.. + 2 phase 
LINERL_2 
BRANCH type 5152 
2phase RL coupled line model. Smmetric. 

RL Coupled 51.. + 3 phase 
LINERL_3 
BRANCH type 5153 
3phase RL coupled line model. Symmetric. 3phase nodes. 

RL Coupled 51.. + 3 ph. Seq. 
LINERL3S 
BRANCH type 5153 
3phase RL coupled line model with sequence impedance (0, +) input. Symmetric. 

RL Coupled 51.. + 6 ph. indiv. transp. 
LINERL6S 
BRANCH type 5156 
6phase RL coupled line model with individually transposed circuits. 

RL Coupled 51.. + 6 ph. full transp. 
LINERL6N 
BRANCH type 5156 
6phase RL coupled line model with full transposition. 

RL Coupled 51.. + 6 phase L+Rs 
LINERL_6 
BRANCH type 5156 
2x3 phase RL coupled line model. Nonsymmetric. Offdiagonal R is set to zero. 

RL Sym. 51 + 3 ph. seq. 012 
LINERL012 
BRANCH type 5153 
3phase RL coupled line model with sequence impedance (0 +) input. Unsymmetric. 

RL Sym. 51 + 3 ph. Full matrix 
LINERL3F 
BRANCH type 5153 
3phase RL coupled line model with full matrix input. Unsymmetric. 
Distributed parameter line models
Selecting Distributed opens a popup menu where two different types of line models can be selected: Transposed lines or Untransposed lines. Both types are distributed parameters, frequency independent lines of class Bergeron. Losses are concentrated at the terminals (R/4) and of the midpoint (R/2). The time step has to be less than half the travel time of the line.
Transposed lines (Clarke): These components can be characterized as symmetrical, distributed parameter and lumped resistance models (called as Clarketype in the ATP RuleBook). Six different types are supported:
Selection 
Object name 
Icon 
ATP card 
Description 
Transposed lines + 1 phase 
LINEZT_1 
BRANCH type 1 
Single phase, distributed parameter line, Clarke model. 

Transposed lines + 2 phase 
LINEZT_2 
BRANCH type 1.. 2 
2phase, distributed parameter, transposed line, Clarke model. 

Transposed lines + 3 phase 
LINEZT_3 
BRANCH type 1.. 3 
3phase, distributed parameter, transposed line, Clarke model. 

Transposed lines + 6 phase 
LINEZT6N 
BRANCH type 1.. 6 
6phase, distributed parameter, transposed line, Clarke model. 

Transposed lines + 6 phase mutual 
LINEZT_6 
BRANCH type 1.. 6 
2x3 phase, distributed Clarke line. With mutual coupling between the circuits. 

Transposed lines + 9 phase 
LINEZT_9 
BRANCH type 1.. 9 
9phase, distributed parameter, transposed line, Clarke model. 
Untransposed lines (KCLee): Parameters of these nonsymmetrical lines are usually generated outside ATPDraw. These components can be characterized as untransposed, distributed parameter and lumped resistance models with real or complex modal transformation matrix (called as KCLeetype in the ATP RuleBook). Doublephase and 3phase types are supported:
Selection 
Object name 
Icon 
ATP card 
Description 
Untransposed lines (KCLee)+ 2 phase 
LINEZU_2 

BRANCH 
2phase, distributed parameters, untransposed (KCLee) line model with complex transf. matrix. 
Untransposed lines (KCLee)+ 3 phase 
LINEZU_3 

BRANCH 
3phase, distributed parameters, untransposed (KCLee) line model. 
LCC objects
In this part of ATPDraw, you specify the geometrical and material data for an overhead line or a cable and the corresponding electrical data are calculated automatically by the LINE CONSTANTS, CABLE CONSTANTS or CABLE PARAMETERS supporting routine of ATPEMTP. The LCC module supports line/cable modeling with no limits on the number of phases or conductors.
To use the LCC module of ATPDraw the user must first select a line/cable component. The number of phases is selected internally in the LCC dialog box. This will display an object (3phases default) in the circuit window that can be connected to the circuit as any other component. Clicking on this component with the right mouse button will bring up a special input dialog box called Line/Cable Data dialog box with two subpages: Model and Data, where the user selects between the supported System type:
•Overhead Line: LINE CONSTANTS
•Single Core Cables: CABLE PARAMETERS or CABLE CONSTANTS
•Enclosing Pipe: CABLE PARAMETERS or CABLE CONSTANTS
and Model type of the line/cable:
•Bergeron: Constant parameter KCLee or Clark models
•PI: Nominal PIequivalent (short lines)
•Jmarti: Frequency dependent model with constant transformation matrix
•Noda: Frequency dependent model
•Semlyen: Frequency dependent simple fitted model.
The Line/Cable Data dialog box completely differs from the Component dialog of other components, therefore it is described in chapter 5.3 of the Advanced Manual. An LCC template component can be a standalone object written to the ATPfile, or an actual template (checkbox inside) serving as a common data source for LCC section objects using it.
Selection 
Object name 
Icon 
ATP card 
Description 
LCC template 
LCC 
$Include 
Multiphase LCC object. Overhead line Single core cables Enclosing pipe Bergeron/PI/Jmarti/Semlyen/Noda 

LCC section 
LCC_ 
$Include 
Uses the data of an LCC template with local modification of standard data length, frequency and ground resistivity. Optional singlephase layout. 

LCC EGM 
LCC_EGM 
$Include 
Same as LCC_ but with an electrogeometrical model for lightning studies included. Top node to be connected to lightning source. 
Read PCH file...
ATPDraw is able to read the .pch output files obtained by external run of ATPEMTP’s Line Constants or Cable Constants supporting routines. Selecting the Read PCH file... menu item, the program performs an Open Punch File dialog in which the available .pch files are listed. If you select a file and click Open, ATPDraw attempts to read the file and if succeed in creates a .lib file and stores it in memory in the Data Base Module format of ATP. When the .lib file is successfully created the icon of the new LCC component appears in the middle of the circuit window.