3. Basic Drive System
The AFD consists of several basic components:
- Line Voltage - In this case 3-phase AC voltage.
- Input Section - Consists of a rectifier and filter. Transforms the AC voltage into DC voltage.
- Control Section - The control board accepts real world inputs and performs the required operations. The tasks are performed by a microprocessor.
- Output Section - This section includes the base drive circuits and the inverter. The base drive signals are low level signals that tell the inverter to turn on.
- Motor - Already described.
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