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Inverting CT polarity on EM4000 / EM4800 / E4800 using EM4800 Configuration Tool
Issue
The EM4000 / EM4800 / E4800 is reading incorrectly due to an inverted CT. The customer is not able to physically invert the CT; however he/she would like the meter to read correctly.
Environment
EM4800 Configuration Tool
Resolution
To invert the CT polarity via the EM4800 Configuration Tool, place a negative sign in front of the CT primary value. An example is shown below:
If the CT ratio is 600:5, the Current value should be changed from 600 to -600.
The EM4800 Configuration Tool if available for download here: https://www.se.com/us/en/download/document/SEMetershop_V1.6.1.1154/
The EM4000 / EM4800 / E4800 is reading incorrectly due to an inverted CT. The customer is not able to physically invert the CT; however he/she would like the meter to read correctly.
Environment
EM4800 Configuration Tool
Resolution
To invert the CT polarity via the EM4800 Configuration Tool, place a negative sign in front of the CT primary value. An example is shown below:
If the CT ratio is 600:5, the Current value should be changed from 600 to -600.
The EM4800 Configuration Tool if available for download here: https://www.se.com/us/en/download/document/SEMetershop_V1.6.1.1154/
Released for:Schneider Electric Vietnam
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