Conference Proceeding

Compacting distributed parameter transmission line model in EMTP-programs

Univ. Estadual de Campinas, Sao Paulo, Brazil;
12/2004; ISBN: 0-7803-8775-9 pp.196- 200 In proceeding of: Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES
Source: IEEE Xplore

ABSTRACT The present paper proposes a compact representation for the transmission line models based on modal transformation. The distributed parameter TL model present at the majority of the electromagnetic transient programs is taken into account. The proposed model takes advantage of the similarities between nonhomopolar modes and applies complex numbers theory to manipulate the state variables in modal domain. The proposed method is applied to a single-circuit three-phase line represented through the distributed parameter model (EMTP). The resources used promote a reduction of both the number of operations by iteration and the allocation of states, optimizing the procedure and increasing the processing speed of simulation.

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Keywords

compact representation
 
complex numbers theory
 
distributed parameter model
 
distributed parameter TL model present
 
electromagnetic transient programs
 
modal domain
 
modal transformation
 
proposed method
 
proposed model
 
simulation
 
single-circuit three-phase line
 
states
 
transmission line models