SHENG Kang, LIU Hong-tai, WANG Song, et al. Analysis on Characteristics of Voltage,Current and Harmonics when Converter Transformer is on the Substitute Operation[J]. High voltageapparatus, 2011, 47(6): 62-66.
SHENG Kang, LIU Hong-tai, WANG Song, et al. Analysis on Characteristics of Voltage,Current and Harmonics when Converter Transformer is on the Substitute Operation[J]. High voltageapparatus, 2011, 47(6): 62-66. DOI: 10.13296/j.1001-1609.hva.2011.06.014.
Analysis on Characteristics of Voltage,Current and Harmonics when Converter Transformer is on the Substitute Operation
there would be no available backup convert transformers in the convert station when one backup converter transformer has been put into operation due to one of main converter transformers failure. Therefore
it is necessary to study the substitute operation of convert transformers between different stations. Through using the EMTDC program and the RTDS Simulation System of CSG Simulation Laboratory
this paper studies the variation of the properties and characteristics of voltage
current and harmonics caused by substitute operation of convert transformer under the reducing voltage operation.The paper also compares the simulation data with or without the restriction OLTC of convert transformers to get the final conclusion.it is feasible that the Y/Y converter transformer of Zhaoqing station can be substituted by one of Shenzhen’s converter transformer under the HVDC system in reducing voltage operation.