Issue:
How do you calculate the DC bus voltage using the "Mains Voltage" (ULn) displayed in the Monitor menu
How do you calculate the DC bus voltage using the "Mains Voltage" (ULn) displayed in the Monitor menu
Product Line:
ATV61, ATV71, ATV312, ATV12, ATV32
ATV61, ATV71, ATV312, ATV12, ATV32
Environment:
All models and serial numbers
All models and serial numbers
Cause:
None
None
Resolution:
These drives do a calculation using the measured DC bus voltage to estimate the mains voltage (line supply). The drive measures the DC Bus internally and divides it by 1.414 (square root of 2) and then displays it as the Mains Voltage (ULn) In the monitor menu.
So, when given ULn, simply multiply by 1.414 to get the measured DC bus voltage value.
These drives do a calculation using the measured DC bus voltage to estimate the mains voltage (line supply). The drive measures the DC Bus internally and divides it by 1.414 (square root of 2) and then displays it as the Mains Voltage (ULn) In the monitor menu.
So, when given ULn, simply multiply by 1.414 to get the measured DC bus voltage value.
Released for: Schneider Electric Malaysia
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