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Standard

NEK IEC TS 61724-2:2025

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Abstract

The test applies to grid-connected PV systems comprising at least one inverter.The test evaluates the PV system only in conditions where output is unconstrained by limitations in AC power output from the inverters. Accordingly:Data used for the test is limited to times when inverters are maximum-power-point tracking, so that PV system output power is unconstrained by inverter limitations (clipping) or interconnection limits (curtailment).The maximum operational capacity of the system can ultimately be determined by maximum inverter output.Results of a performance test can be affected by various choices made in the procedure. Therefore, this document clarifies how test choices ("test elections") affect the boundary between external variables and the part of the system being tested.For a procedure that evaluates system performance over an extended period, including during constrained operation, refer to urn:iec:std:iec:61724-3::ts::IEC TS 61724-3, Photovoltaic system performance - Part 3: Energy performance evaluation method.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2.0
  • Version: 1
  • Document type: TS
  • ICS 27.160

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