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  Transmission Line Parameters

EDSA’s Transmission Line Parameters program is designed to calculate electrical parameters of overhead transmission lines. This program computes electrical parameters of overhead transmission lines based on the characteristics and positions of the conductors, and applies the matrix-oriented method using Carson's formula.
   
 

The program is very user-friendly and a powerful tool for power system engineers, as well as for designers who would like to avoid complex, time-consuming longhand calculations of overhead transmission lines based on electrical characteristics and positions of the wires. It also computes the electric field surrounding the transmission lines.
 
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Transmission Line Parameters – user interface

 
     
    Key Program Features:
  • One, or more (up to five), three-, two-, or single-phase circuits on the same or adjacent right of ways;
  • Up to 100 physical wires (conductors);
  • Bundling conductors;
  • Ground wires being either continuous or segmented;
  • Power frequencies as well as higher frequencies;
  • Untransposed or continuously transposed circuits;
  • The program calculates;
    o Series impedance & admittance matrices in phase domain;
    o Nodal capacitance and susceptance matrices in phase domain;
    o Positive-sequence self-impedance and capacitance;
    o Zero-sequence self-impedance and capacitance;
    o Zero-sequence mutual impedance and capacitance between circuits;
  • Compute electric field;
  • Supports both English and metric systems;
     
     
     
 
     
     
 
     
     
 
     
     
 
     
     
 
   
   

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