From the course: Electrical Systems: Panel Boards, Frequency Drives, and Transformers
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Installation of a VFD
From the course: Electrical Systems: Panel Boards, Frequency Drives, and Transformers
Installation of a VFD
- [Instructor] Now that we've talked a little bit about what a VFD does and what's inside of them, let's discuss installing variable frequency drives. You should always make sure the variable frequency drive is sized appropriately for the motor and the load that we are trying to control. Most VFDs need to be mounted or installed as close as possible to the motor that is being controlled. Excessive cable lengths may alter the performance of the VFD. Many VFDs require the use of special shielded cables, also known as VFD cables, from the output side to the motor. Check with the VFD manufacturer for specific requirements of that VFD. VFDs have sensitive electronics in them. They should be installed away from other magnetic sources and in an area that is safe for solid state equipment. Moisture and high temperatures should be avoided. Some VFDs require a separate external power source to power the controller and accessories on the VFD itself. Once again, check with the VFD manufacturer's…
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