In an ABB VFD, when IR Compensation is activated?
Understand the Problem
The question revolves around the functionality of an ABB Variable Frequency Drive (VFD) when the IR (Inverter Resistance) compensation is activated. It seeks to clarify what specific action the drive takes in response to this activation, particularly regarding voltage or current adjustments to the motor.
Answer
The drive gives an extra voltage boost to the motor.
The final answer is the drive gives an extra voltage boost to the motor when IR Compensation is activated.
Answer for screen readers
The final answer is the drive gives an extra voltage boost to the motor when IR Compensation is activated.
More Information
IR Compensation provides an extra voltage to maintain motor speed by compensating for load changes.
Tips
Double check whether IR Compensation applies to voltage or current to avoid incorrect setup.
Sources
- ACS800 Standard Control Program 7.x Firmware Manual - ABB Group - library.e.abb.com
- Ir Compensation For A Scalar Controlled Drive; Signal Supervision - manualslib.com
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