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Active Injection for Single-ended Protection in DC Grid Using Hybrid MMC

Guobing Song,Junjie Hou,Bing Guo,Sayed Tassawar Hussain Kazmi,Ting Wang,Bilal Masood

IEEE Transactions on Power Delivery（2021）

Cited 12|Views2
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Abstract
To identify the fault area more accurately and improve the reliability and sensitivity of the traditional protection principle on DC lines, an active injection for single-ended protection in the DC grid is proposed. Considering the influence of fault impedance, the effect of frequency-dependent parameters, numerical differential error, and the strength of DC boundary, high controllability of hybri...
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Key words
Circuit faults,Impedance,Band-pass filters,Frequency conversion,Fault diagnosis,IIR filters
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