Medium voltage DC (MVDC) grids for an all-electric society

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2 Insulators 38 4.3 The market for MVDC systems 27 3.6.3 Structures 38 4.1 Voltage 39 4.2.4.1 Conductors 38 4.4 infrastructure reuse 38 4.4 Solid state transformers 35 4.3 Fault current interruption 32 4.3 Battery storage 30 Section 4  MVDC technologies and operational considerations 31 4.1 AC-DC voltage conversion 33 4.3 DC-DC voltage conversion 34 4.2.6.1.2 Fault current detection 32 4.6.4 Switchgear, transformers and earthing 38 4.3 Earthing 37 4.3.1 Megawatt-scale loads 28 3.7 System operation 42 .1 Differences between and fault management 31 4.4 Interaction with system design 42 4.1.1.4.2 Renewable generation 29 3.6.2 Modular multilevel converter 34 4.4.8 Table contents 3.5 Harmonic filtering 36 4.2.1 Fault current management 31 4.2.4.6 System design 39 4.3.3.2.6 Electromagnetic interference management 42 4.5 Ageing under stress 38 4.5 Protection coordination 42 4.3 Line configuration 40 4.2 Voltage conversion 33 4.6.6.2 Network configuration and reliability 40 4

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