International Research Journal of Education and Technology

This paper proposes a source-side DC deficiency current leeway plot for HVDC lattices under DC impede. The plan utilizes half-connect sub-modules (HBSM) and full-connect sub-modules (FBSMs) based crossover MMC. The DC issue current practices of the HVDC matrix is uncovered as an essential rule for the proposed approach. The extra levels of opportunity for control of cross breed MMC are joined into the HVDC matrix to intrude on the shortcoming current taking care of at the source side. During the flaw ride-through interaction, the receptive force remuneration is kept up. The proposed technique needn't bother with the DC circuit breakers (DCCBs) since the current in the separation point can be controlled to nothing. The essential and reinforcement insurance plans for mixture MMC-HVDC matrix are proposed. The viability of the technique is approved by electromagnetic transient reproductions on Matlab/Simulink.

Keywords – Fuzzy Logic, HVDC Grid, Mitigation, DC Current, Hybrid MMC.