April 2010 IEC/TR 61000 3 13 (First edition – 2008) Electromagnetic compatibility (EMC) – Part 3 13 Limits – Assessment of emission limits for the connection of unbalanced installations to MV, HV and[.]
IEC/TR 61000-3-13 (First edition – 2008) Electromagnetic compatibility (EMC) – Part 3-13: Limits – Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems CORRIGENDUM Figure A.2 Replace the existing Figure A.2 by the following: MV NPS NPSUnbalance Unbalance(%) (%) MV Power MVA base) Power(p.u (p.u.on on2020MVA base) ReductionFactor Factor Reduction 1.8 1,8 1.6 1,6 1.4 1,4 1.2 1,2 1,0 0.8 0,8 0.6 0,6 0.4 0,4 0.2 0,2 Reduction in motor Reduction in loading motor loading 0 Days Days Figure A.2 – Example of unbalance ratio measurement for a remote mine with largely motor loading April 2010 IEC 699/10 LICENSED TO MECON LIMITED - RANCHI/BANGALORE, FOR INTERNAL USE AT THIS LOCATION ONLY, SUPPLIED BY BOOK SUPPLY BUREAU HV HV NPS NPSUnbalance Unbalance(%) (%) Unbalance reduction factor (TuUM(T ): uUM): Unbalance reduction factor HV and MV measurement HV and MV measurement