SIMULATION OF PASSIVE FILTERING PERFORMANCES IN A FEEDING STATION OF THE “SERBIEN RAILWAYS”

Branislav S. Gavrilovic; Bundalo Zoran; Vukadinovic Vojislav

Scientific paper ID 841 : 2013/3

SIMULATION OF PASSIVE FILTERING PERFORMANCES IN A FEEDING STATION OF THE “SERBIEN RAILWAYS”

Branislav S. Gavrilovic, Bundalo Zoran, Vukadinovic Vojislav

Abstract. The article deals with harmonics filtration in railway traction transformer substations. In traction transforms substations in the “Serbien Railways” there are filters of 3rd and 5th harmonics. In this concrete application, the proposed solution for harmonics mitigation is based on passive power filtering. The simulations carried out under Matlab Simulink environment show that the installation of two single tuned filters for third and fifth harmonics would reduce harmonics levels and harmonic distortion factor to within acceptable limits even in the most unfavourable situations. Explanation of transient effects during short-circuits at the contact line can be considered as the main problem. These effects can arise during a failure in a traction circuit. Therefore, the attention is turned to an adjustment protection design of the traction circuit. Simulation diagrams were created. Simulation diagrams can be used as a main tool for a particular project of railway traction transformer substations of protection settings process from electromagnetic compatibility point of view.

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- Железопътни системи пасивни филтри преходен ефект късо съединение - Railway systems Passive power filters transient effect short-circuit Branislav S. Gavrilovic Bundalo Zoran Vukadinovic Vojislav

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