2019
DOI: 10.1109/access.2019.2918232
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Abstract: Many new types of locomotives are put to use in electric railway systems, resulting in instability problems such as high-order harmonic resonance occurring as a consequence of the interaction between the electrical locomotive (including electrical multiple units) and the traction network. In order to investigate this problem, this paper adopts the impedance-based approach to analyze the stability properties of the system interaction. The detailed impedance of the traction network is obtained by taking its dist… Show more

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Cited by 10 publications
(7 citation statements)
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References 33 publications
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“…From (9), it can be found that F(ω) is an inverse proportional function and G(ω) is a tangent function. These two functions are influenced by L D , C D and k. Different L D , C D and k will result in the stretching transformation of F(ω) and G(ω).…”
Section: Resonance Description Based On the Simplified Distributementioning
confidence: 99%
See 1 more Smart Citation
“…From (9), it can be found that F(ω) is an inverse proportional function and G(ω) is a tangent function. These two functions are influenced by L D , C D and k. Different L D , C D and k will result in the stretching transformation of F(ω) and G(ω).…”
Section: Resonance Description Based On the Simplified Distributementioning
confidence: 99%
“…It should be noted that only in the low frequency range, generally speaking <1000Hz, (10) to (12) can be obtained. Based on (9) and (12), the resonance mechanism can be analyzed qualitatively. However, this model is only applicative for the simplest TPSS, as shown in Fig.…”
Section: Resonance Description Based On the Simplified Distributementioning
confidence: 99%
“…The traction current is supplied by the pantograph over the locomotive and flows into the rails through the wheels from the locomotive transformer and the locomotive load [17]. Due to the imbalance of the following factors: impedance of the two rails, the ground equipment and their earth impedance, the contact impedance between the discharge wheels and the rails, etc., the overall impedance of the two traction current loops are not equal, finally leading to the traction current distributed in the two rails unequal; i.e., the unbalanced traction current is formed [18,19].…”
Section: Analysis and Theoretical Calculation Of Magnetic Coupling Prmentioning
confidence: 99%
“…Supply traction lines of some tens of km or longer with significant capacitive loading due to MV cables, transformers, and trains (with their own onboard devices) exhibit a wide range of resonance phenomena, occurring in the frequency interval of a hundred of Hz up to some kHz, depending on the supply arrangement and length [13,14]. Traction systems in use today are mostly operated at 25 kV 50/60 Hz and 15 kV 16.7 Hz with dif-ferent supply schemes: the supply sections of the latter are much longer with extensive earthing bringing the resonant frequency of the line in the lower part of the considered frequency range, namely one or few hundreds Hz; 2x25 kV systems have shorter supply sections with resonances in the kHz range [15][16][17][18][19][20][21], as recently investigated for a series of resonance incidents [1,9]. As shown in [9,22], in a real scenario the response of the line may be quite complex.…”
Section: Introductionmentioning
confidence: 99%