Studer Innotec SA
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Technical user manual V1.3 © Studer-Innotec SA 93
8.3.3
AC-source Settings for Grid
The wizard is mandatory for a proper setting of AC-source as many points are configured
during commissioning and cannot be changed later. Carefully read the questions to avoid
mistakes in your answers.
One example is the grid code setting that must be set according to the DSO requirement by
the qualified installer and cannot be changed later by the end-user. The end-user has no
access to this parameter as it is protected by the EXPERT code.
At BASIC level only to the following settings are accessible:
Concerning the grid code, the functions Q fix, Q(U), cosφ fix and cosφ(P) are implemented
and can be configured, if necessary, after the wizard.
The anti-islanding function implemented is based on the “vector shift” method.
P(Q) diagram for grid feeding:
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