Finding the Right VFD for Your Business

Determining if your company or institution needs a variable speed drive is the easiest part of the process. You just have to ask yourself three basic questions:

1. Do you have any motors in your building?
2. Do your motors require a variable output?
3. Do you vary the output by use of mechanics?

If you answered yes to the above questions, you would greatly benefit from installing a variable frequency or variable speed drive. But remember, that is just the easy part. The hard part is deciding which VFD will work best for your exact situation. Because Yasakaws is the leader in VFD manufacturing in the entire world, here is a brief product list to consider.

E7N Bypass Package - This was designed to be flexible, as it can be used from across the line or from the drive. It is a 2-contractor style bypass with a touchpad control, so you can operate it easily, effectively, and conveniently.

E7E Engineered - If you are using a Building Automation System, this may be the right VFD for your needs. The E7E Engineered was designed to perform at optimum levels with BAS.

E7 VFD Line - The E7 VFD Line was designed to increase quality and performance while reducing cost and size. This option is ideal for boiler combustion fans, smoke control fans, clean room circulating fans, condenser water pumps, and many more.

E7S Slim Configured Package - This package is in a NEMA 1 enclosure and provides an E7 variable frequency drive. There is even space for the following options: circuit breakers, input filters, and reactors.

E7 18-Pulse VFD - This VFD is specific to HVAC applications, but specifically to those that require a low THD. The E7 18-Pulse VFD has several built-in features, including H/O.A, energy-savings functions, PI, and Network Communications.

E7 VFD - This ac drive is designed for a BAS and allows variable torque. Major pros for using the E7 VFD include improved performance, lower cost, smaller size, and better quality.

It is obvious that you have many variable frequency or variable speed drives from which to choose. Choosing the right one will save your company or business money, time, energy, and unneeded stress. While installing a new variable speed drive will cost money, your return on investment can be anywhere from six months to two years. And that is not a long time to wait for such financial and energy savings! Find the right VFD for your needs, and make 2012 a great year, a year full of savings.