Current harmonics of voltage-source active rectifier with random switching frequency

Kus, Vaclav; Josefova, Tereza

doi:10.1109/epe.2014.6839459

Cited by 7 publications

(4 citation statements)

References 7 publications

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“…These results are based on created model of electronic balancer. The resulting harmonic spectrum is appropriate to compare with common three-phase converter, this analysis can be found in [10] and [11]. The advantage of used modulation technique (PS-PWM) is the possibility of using low switching frequency (250 Hz) with resulting fine harmonic distribution, Figure 10.…”

Section: Discussionmentioning

confidence: 99%

Analysis of Multilevel Electronic Balancer for AC Traction Substation with PS-PWM

Blahník

Straka

Pittermann

2020

2020 International Conference on Applied Electronics (AE)

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The main goal of this paper is the analysis of an behavior for the electronic balancer of the AC traction substation. This balancer consists of three delta connected multilevel cascade H-bridge converters. The employed phase-shifted pulse width modulation causes the significant decrease of the current ripple due to multilevel nature of the voltage at the converter AC terminals. This paper describes the basic level of modulation technique for single H-bridge cell and analyzes low harmonic interferences of the converter. These results are extended to twelve cells H-bridge multilevel converter with 250 Hz switching frequency. The results of the analysis are based on a created model of the multilevel converter with the nominal power of 12.5 MVA (for traction substation use).

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Section: Discussionmentioning

confidence: 99%

Analysis of Multilevel Electronic Balancer for AC Traction Substation with PS-PWM

Blahník

Straka

Pittermann

2020

2020 International Conference on Applied Electronics (AE)

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“…Voltage-source active rectifiers have many advantages; they draw current with low distortion and with high power factor that is presented in publications [17]- [18]. Voltage-source active rectifiers can compensate the short-term voltage drops within a certain range, if they are applied to frequency converters.…”

Section: B Principle Of a Voltage-source Active Rectifiermentioning

confidence: 97%

The use of voltage-source active rectifier to minimize the effect of supply voltage drops on converters

Kus

Josefova

2015

2015 16th International Scientific Conference on Electric Power Engineering (EPE)

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The paper presents the possibilities of the use of voltage-source active rectifiers to minimize the effect of voltage drops on the DC link voltage magnitude of frequency converters. The control of voltage-source active rectifiers can compensate the short-term voltage drops within a certain range. The paper describes principle of the operating of voltage-source active rectifiers and the range of the voltage drops that can be compensated. The paper points out that it is important to observe the load current and the DC link voltage of converters.

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“…The equation is derivation in paper [7] deals with influence of dead time duration on harmonics spectrum. More paper deals with analysis of harmonics of higher order, generated by active front end is [8] and with possibility of influence on random switching frequency [9].…”

Section: Traction Substation With Electronic Balancermentioning

confidence: 99%

Current Harmonic Analysis for AC Traction Substation with Power Balancer

Blahník

Straka

Pittermann

2021

2021 International Conference on Applied Electronics (AE)

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This paper describes results of the harmonic analysis of currents harmonic analysis performed for an advanced AC traction Substation. AC traction substation feeding 25 kV / 50 Hz traction catenary and provide power symmetrization by semiconductor device called electronic balancer. The analysis is concern to currents of electronic balancer part of substation and the grid currents corresponding with quality of taken energy. The harmonic currents components are evaluate with the respect to the switching frequency of IGBTs (250 Hz), modulation technique (PS-PWM) and dead time duration (10 µs). The results are evaluated on the created model of the AC traction substation with multilevel converter topology, having the nominal power of 12.5 MVA.

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Current harmonics of voltage-source active rectifier with random switching frequency

Cited by 7 publications

References 7 publications

Analysis of Multilevel Electronic Balancer for AC Traction Substation with PS-PWM

Analysis of Multilevel Electronic Balancer for AC Traction Substation with PS-PWM

The use of voltage-source active rectifier to minimize the effect of supply voltage drops on converters

Current Harmonic Analysis for AC Traction Substation with Power Balancer

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