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Issue
The PME 8.2 Power Quality offers the option to use the SEMI F47 curve. If this is used, you will notice that the curve is incorrect.
The SEMI F47 standard allows a 50% voltage sag for up to 0.2 seconds. The curve incorrectly uses 0.02 seconds, rather than 0.2 seconds as the tolerance for a 50% sag.
Product Line
Power Monitoring Expert 8.2
Environment
Using the PQ Report with the SEMI F47 curve.
Cause
The definition of the SEMI F47 in PME 8.2 is incorrect.
Resolution
*Warning: Irreparable database damage can occur. This procedure should only be performed by users familiar with SQL Server Management Studio. Databases should be backed up prior to performing this procedure.*
Log into SQL Server Management Studio and run the attached SQL script (PME8.2_SEMIF47_CurveUpdate.sql) to correct the curve definition. See attached document
This problem has been addressed in PME 9.0
The PME 8.2 Power Quality offers the option to use the SEMI F47 curve. If this is used, you will notice that the curve is incorrect.
The SEMI F47 standard allows a 50% voltage sag for up to 0.2 seconds. The curve incorrectly uses 0.02 seconds, rather than 0.2 seconds as the tolerance for a 50% sag.
Product Line
Power Monitoring Expert 8.2
Environment
Using the PQ Report with the SEMI F47 curve.
Cause
The definition of the SEMI F47 in PME 8.2 is incorrect.
Resolution
*Warning: Irreparable database damage can occur. This procedure should only be performed by users familiar with SQL Server Management Studio. Databases should be backed up prior to performing this procedure.*
Log into SQL Server Management Studio and run the attached SQL script (PME8.2_SEMIF47_CurveUpdate.sql) to correct the curve definition. See attached document
This problem has been addressed in PME 9.0
Released for: Schneider Electric Vietnam
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