Benefits and Problems raised by Multi-circuit Overhead Lines Operation

Costea, Marian; Baran, Ileana

doi:10.1109/atee52255.2021.9425069

2021 12th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2021

DOI: 10.1109/atee52255.2021.9425069

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Benefits and Problems raised by Multi-circuit Overhead Lines Operation

Marian Costea

Ileana Baran

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2022

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Electromagnetic Transients in Multi-Voltage Transmission Lines during Non-Simultaneous Faults

Zychma

Sowa

2022

Energies

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It is vitally important that a transmission network provides a continuity of electricity to end users and that the transmission system operator prioritizes its safety and reliability. This article presents the possibilities of using multi-track overhead lines with varying levels of rated voltage, run on a common support structure. This solution would ensure safe operation of the system, reduce the area used for the construction of new overhead lines, and, at the same time increase the transmission network capacity. This article focuses on the method of modeling overhead lines for the analysis of electromagnetic transient states that occur during non-simultaneous disturbance phenomena. This article presents the idea of multi-circuit, multi-voltage lines and their validity of use in power systems. An analysis of electromagnetic transient states for non-simultaneous disturbances in multi-path, multi-voltage lines is presented. This analysis has been made on the basis of a network model, using ATP-EMTP (Alternative Transients Program-Electromagnetic Transients Program) software for solutions, for a Polish power system. Particular attention was paid to the most unfavorable phenomena appearing in the modeled system. The impact of the emerging electromagetic transients in multi-path, multi-voltage lines was evaluated. It was shown that the specificity and rapid changeability of the emerging electromagnetic transients and lack of a universal model of the overhead power line make the analyses of electromagnetic transients highly labor-intensive and time-consuming. Each change is connected with the necessity to create new line models for the study of electromagnetic transient states dependent on many factors.

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Electromagnetic Transients in Multi-Voltage Transmission Lines during Non-Simultaneous Faults

Zychma

Sowa

2022

Energies

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Benefits and Problems raised by Multi-circuit Overhead Lines Operation

Cited by 1 publication

References 10 publications

Electromagnetic Transients in Multi-Voltage Transmission Lines during Non-Simultaneous Faults

Electromagnetic Transients in Multi-Voltage Transmission Lines during Non-Simultaneous Faults

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