2 reactive power regulation – SMA SC 500HE-20 User Manual
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SMA Solar Technology AG
Table of Contents
Operating Manual
SCxxxHE-20-BE-BEN111210
5
"WCnstNomAnln" Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Displaying Error Messages and Warnings for Active Power Limitation . . . . 43
Active Power Limitation Depending on Power Frequency . . . . . . . . . . . . . . . 44
Displaying the Status of the Active Power Limitation . . . . . . . . . . . . . . . . . . . 46
Reactive Power Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Procedure for Regulating Reactive Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
"VArCnstNomAnIn" Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Grid Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
How Grid Monitoring Works . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Grid Monitoring for Grid Voltage. . . . . . . . . . . . . . . . . . . . . . . 57
Grid Monitoring for Power Frequency . . . . . . . . . . . . . . . . . . . 59
Grid Connection after Correction of Error . . . . . . . . . . . . . . . . 60
Setting the Medium Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 60