IUN Choose certainty. SUD Add value. China IEC 61724 Series Henson Ma 2017-03-13 TUV SUD China 17-03-13 Slide 1 TUV? PV System Performance TUV SUD The performance of a PV system is dependent on the weather, seasonal effects and other intermittent issues, so measurement of the performance of a PV system is expected to give variable results : How to verify that the output of the plant meets the design specifications? .How to collect the performance data? How to analyze that data in comparison to predicted performance? : Choice: a one-year test / a shorter test nance'Ratio (Yf/ Yr) : 0.80 ertommnce Ratio 0. 0.2 Mar TUV SUD China Slide 2 TUV 17-03-13 Content TUV SUD IEC 61724 Series co2 reduction: Revenue: IEC 61724-1 24,936.$2 kg $7,837.19 IEC TS 61724-2 from6/8% pwhiproduction IEC TS 61724-3 00AM11 00AM1 TUV SUD China TUV 17-03-13 Slide 3 IUN Choose certainty. SUD Addvalue. China IEC 61724 Series Photovoltaic system performance TUV SUD China TUV? 17-03-13 Slide 4 Standards Update TUV SUD Monitoring IEC 61724-1 Photovoltaic system performance IEC TS 61724-2 Capacity evaluation method monitoring IEC Guidelines for 61724:1998 measurement, data IEC TS 61724-3 Energy evaluation method exchange and analysis IEC TS 61724-4 Degradation rate evaluation method · TUV SUD China TUV 17-03-13 Slide 5 IEC 61724 Series TUV SUD IEC 61724-1 IEC TS 61724-2 IEC TS 61724-3 IEC TS 61724-4 Defines the • Designed to . Describes a one- Outlines a step-by performance data complete an year test that step procedure for calculating that may be evaluation in a short evaluates collected, but does time as a performance over degradation rates not define how to complement to IEC the full range of from continuous PV analyze that data in TS 61724-3. operating conditions performance data. comparison to and is the preferred predicted method for performance. evaluating system performance. TUV SUD China 17-03-13 Slide 6 TUV? TUV Choose certainty. SUD Add value. China EC 61724-1 Monitoring TUV SUD China TUV? 17-03-13 Slide 7