Control motors in equipment, pumps and fans for savings up to 40%
Variable frequency drives (VFD) can deliver the biggest savings when applied to motors and pumps in industrial equipment, fans, HVAC and water systems.
Currently, many motors are “always on”, running full out only to be throttled by dampers and valves. This wastes energy and puts extra strain on the motor. VFDs can control and adjust the speed and torque of motors as demands change. That means you save energy and cut costs.
Managers of commercial or residential high-rise buildings should evaluate their water systems for the application of VFDs. Often, even newer buildings can benefit.
On farms, look at motorized equipment such as conveyors and ventilation fans for savings opportunities.
The savings delivered by VFDs will depend on the size of the motor and hours of operation. However, savings between 10% and 40% are typical, and paybacks can be a matter of months.
VFDs reduce the wear and tear on your motors, which means longer life and reduced maintenance time and costs. Depending on the number of motors, this can be a substantial secondary saving.
Installation can be accomplished in a day for minimal down time.
Pumps and motors can be “hidden” deep in equipment and pumping systems. That’s where an audit can be useful to uncover and prioritize your potential savings.
Audits can also identify motors that should be replaced with more energy-efficient alternatives. Audits also qualify for incentives up to 50% of the cost of the audit, up to $25,000.
Premium efficiency motors are typically 4% more efficient than standard motors. They’re also higher quality, more reliable and give off less heat. There are two types:
Engineered/Custom (Motors) Retrofit Program incentives may be available for premium efficiency motors and are calculated at either $800/kW of demand savings or $0.10/kW of first year electricity savings (to a maximum of 50% of project costs), whichever is greater.
Hydro One can help you identify savings opportunities and guide you through the process of completing your incentive applications, at no cost to you.
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