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