Residential German Solar PV Inverter Test Report

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This report will provide the dynamic performance of residential solar PV inverters designed to operate according to German grid code standards. The incentive for testing German grid code inverters is to evaluate the advanced features (voltage ride through, power curtailment, ramprate, watts/over-frequency, voltage support, and communications) not currently available for inverters that follow U.S. standards. The following steady-state, transient, and harmonic test results will be used to support SCE Field Engineering’s assessment of advanced inverter characteristics and uncover any potential negative impacts. As with the previous testing, the data will also be used to:

  • Influence the standards revisions such as UL1741, IEEE 1547, and California Rule 21, in order to ensure that these devices support the reliability of the grid
  • Develop and validate solar PV models for distribution system impact studies
  • Review and revise, if necessary, SCE in ternal standards (interconnection or working practices)

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