Variable Frequency Drive Support
VFD Distributing's Variable Frequency Drive Customer Support department is our way to offer a complete product to each and every customer. VFD Distributing sees variable frequency drive support to customers as a necessity due to the nature of industrial application. When the product arrives to our customers, we do not want them to feel it is the end of our relationship with them.
Our variable frequency drive support representatives can be contacted by phone, fax or e-mail. You may want to visit the technical documentation libraries and frequently asked questions below as well. Thank you for choosing Precision Electric: Online Distributing.
Telephone Hours: Monday - Friday, 7:00 AM - 5:00 PM (Eastern Standard Time)
Store Phone: 574.256.1000
E-mail: support@vfddistributing.com
AC Tech Documentation Library
The AC Tech Technical Documentation Library is a collaboration of all of the documents made available to AC Tech users at AC Tech's Homepage. It is an extensive library of technical support as well as frequently asked questions involving AC Tech variable frequencey drives. We encourage you to visit their site if we fail to provide the information you desire with our site.
Documentation for AC Tech Variable Frequency Drives is all available at the:
AC Tech Technical Documentation Library
We encourage you to visit the technical library if we fail to provide the information you desire with our site.
Documentation for Hitachi Variable Frequency Drives are available at the:
Hitachi Technical Documentation Library
Variable Frequency Drive Frequently Asked Questions
The following is a list of the most frequently asked questions relating to variable frequency drives asked by our customers. If you do not find the answer you were looking for do not hesitate to call, fax or e-mail us with any additional questions you may have.
What is a variable frequency drive?
Why should I buy a variable frequency drive?
What are some of the different terms associated with variable frequency drives?
What is an open loop V/Hz (volts per hertz) variable frequency drive?
What is a sensorless vector variable frequency drive?
How do I know if I need a volts per hertz drive or a sensorless vector drive?
For which applications are standard open loop V/Hz drives applicable?
For which applications are sensorless vector drives applicable?
What is a full flux vector variable frequency drive?
For which applications are full flux vector drives applicable?
How do I size my variable frequency drive if I have single and three phase input line voltage?
How do I know if my variable frequency drive should be de-rated?
How would I de-rate a drive properly for the input voltage available?
How do I size my variable frequency drive if I only have a 230 VAC single phase line input voltage?
How do I size my variable frequency drive if I only have 120 VAC single phase line input available and my motor is three phase, 230 vac?
What is the difference between a variable frequency drive and a rotary phase converter?
Why would I need an enclosed drive rather than a standard non-enclosed drive?