Drives
What is Carrier Frequency?
Definition
The PWM switching frequency of a drive's inverter stage, typically between 2 and 16 kHz. Higher carrier frequencies reduce audible motor noise but increase switching losses and heat generation in the drive's IGBT modules.
Related Terms
PWM (Pulse Width Modulation)
A technique used by drives to create variable-voltage, variable-frequency AC out...
Switching Frequency
The rate at which power semiconductors in a drive toggle between on and off stat...
IGBT (Insulated Gate Bipolar Transistor)
A high-power semiconductor switch used in drives and inverters to convert DC bus...
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