# How much do variable frequency drives cost?

## How much do variable frequency drives cost?

Typical installed costs of VFD systems range from \$200 to \$500 per horsepower (HP). Suppliers can assist users in selecting a VFD that is properly sized and that includes any necessary filters and reactors.

What does a variable frequency drive do?

A variable frequency drive controls the speed of an AC motor by varying the frequency supplied to the motor.

How do you calculate variable frequency drive?

The equation to calculate this is: The actual frequency divided by the potential frequency = X divided by the RPM on the machine nameplate.

### Who makes the best variable frequency drive?

Below mentioned are some of the leading companies in the VFD industry.

• Rockwell Automation: An American provider of industrial automation and information technology.
• Johnson Controls:
• ABB:
• Nidec Motor Corporation:
• Siemens:
• Danfoss Group:
• TMEIC:
• Fuji Electric Corp.

How long does it take to pay back a variable frequency drive?

The most common applications of using variable frequency drives are pumps and fans, suppose a 24/7 operate constant pressure water supply system’s pump controlled by VFD may save as high as 30% electricity cost bills. Payback time: 7.62 Months.

Do you need a variable frequency drive for a HVAC system?

Variable frequency drive vendors, manufacturers and consulting engineers can assist in analyzing and mitigating harmonics within a HVAC system. To assess the harmonics, buyers will need to know variable frequency drive sizes and quantities and provide an electrical one-line diagram of the facility.

## Which is an example of a variable frequency drive?

Variable Frequency Drive Energy Savings Calculator. The most common applications of using variable frequency drives are pumps and fans, suppose a 24/7 operate constant pressure water supply system’s pump controlled by VFD may save as high as 30% electricity cost bills.

What do you call a variable speed drive?

The variable speed drive (VSD) or variable frequency drive (VFD), among other names (adjustable-frequency drives (AFD), AC drives, micro-drives, or inverter drives). The application of variable speed drives has brought about a new way of engineering buildings and controls systems HVAC.