Structural Analysis and Testing of HV Busbar Assemblies with Rigid Conductors Under Short-Circuit Conditions

Iordanescu, Mircea; Hardy, C.; Nourry, Jean

doi:10.1109/mper.1987.5526741

Cited by 4 publications

(1 citation statement)

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“…Pinkham and Killeen (1971) provided a design method and simplified formulas to determine dynamic response of insulators supporting rigid bus. In addition, Iordanescu, Hardy, and Nourry (1987) presented a dynamic design approach with a finite element technique to determine stresses and displacements of rigid bus conductors and bus structures. Although the dynamic analysis design method provides more accurate results that better agree with experimental data as shown in IEEE Std.…”

Section: Introductionmentioning

confidence: 99%

Static Analysis of Substation Rigid Bus Using the Finite Element Program

Somboonyanon¹

2012

Electrical Transmission and Substation Structures 2012

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To design a rigid bus system, several design methods are available. The IEEE Std. 605-2008 design method is widely used but is conservative and has several limitations. A dynamic analysis approach offers more accurate results but is more complex and time consuming. The static analysis using a finite element program design approach was proposed and described in this paper. The IEEE Std. 605-2008 design limitations were first identified followed by design advantages from the proposed method. Proper design considerations should be accounted for when using the program to obtain meaningful results. Results were compared between the IEEE Std. 605-2008 and the proposed design methods using the same applied loads derived from IEEE Std. 605-2008 design guidelines and the same set of design inputs. Three case studies were performed, and the results from Case 1 and Case 2 showed the conservatism in the IEEE Std. 605-2008 design method. Results from Case 3 showed the impact from overload factors on the same bus arrangement. It was then concluded that the static analysis using finite element program design approach offered more accurate results than the IEEE Std. 605-2008. In addition, results showed that insulator internal forces and bus conductor fiber stresses analyzed by the proposed method were reduced comparing to the IEEE 605 Std. 605-2008 design method, which could result in overall construction cost savings due to less insulators, less bus structures, or less foundations needed.

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Section: Introductionmentioning

confidence: 99%