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Low-voltage auxiliary power systems - Part 1-1: Terminology
60.60 Standard published
Low-voltage auxiliary power systems ‒Part 2-4: Design criteria- Low-voltage AC auxiliary power systems for hydropower stations
00.99 Approval to ballot proposal for new project
Low-voltage auxiliary power systems - Part 2-1: Design criteria - General requirements
30.60 Close of voting/ comment period
Low-voltage auxiliary power systems - Part 2-2: Design criteria - Low-voltage d.c. auxiliary power systems for substations
50.00 Final text received or FDIS registered for formal approval
Low-voltage auxiliary power systems - Part 2-3: Design criteria - Low-voltage a.c. auxiliary power systems for substations
30.60 Close of voting/ comment period
