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- W3149199239 abstract "Wide frequency domain harmonics and resonance often appear in small capacity of traction network while high power, high density, and different kinds of locomotives take power in the same power supply arm. The mechanism of wide frequency harmonic was provided by the analysis of locomotive converter topology and modulation of ac locomotive. The harmonic distribution diversity of different types of locomotive assembly was proved by testing the two typical locomotives. The new compensation scheme including a H-bridge cascaded active power filter(HCAPF) and a high-pass filter(HPF) was invented, The former compensates reactive power and restrains low order harmonics, and the latter absorbs high order harmonics and provides fixed capacitative reactive power. Combining the demonstration project, the parameter design and performance were introduced in detail. The object power quality parameters were compared by the 24 hours data before and after the proposed system put into operation. The results show that the voltage distortion rate average is decreases from 4.324% to 2.934%, and every harmonic voltage is improved obviously. The max volatility of network voltage reduce form 14.5% to 10.7%." @default.
- W3149199239 created "2021-04-13" @default.
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- W3149199239 date "2014-01-01" @default.
- W3149199239 modified "2023-09-24" @default.
- W3149199239 title "Application research on wide frequency domain harmonics and resonance suppression on traction network" @default.
- W3149199239 hasPublicationYear "2014" @default.
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