Inverter Drives for cost effective motor controlFollow article
Installing an Inverter drive is good practice in reducing energy costs associated with motor control. Unfortunately, there still remains a large number of motors in use which are lacking any real control. The downside to this are higher energy bills due to full load starting and the inefficiencies during operation and stopping. The added stress and strains placed on drivetrain products such as; bearings, belts, pulleys, flywheels, couplings and shafts during starting will add to higher maintenance costs due to premature failure.
Motor efficiency is a hot topic within the industrial world. As CO2 emissions rise, high energy consuming products are in the forefront of the battleground. Demand is being placed on manufacturers and installers alike to produce products that consume less energy and are more efficient in operation.
This has resulted in the classification of four levels of motor efficiency as below. It’s important to know that when placing motors on the market as of now, they must adhere to IE3 as a minimum.
- IE1 Standard Efficiency
- IE2 High Efficiency – IE3 can be achieved if used together with a variable speed drive, (VSD).
- IE3 Premium Efficiency – IE3 must be maintained for power ratings from 0.75 – 375 kW
- IE4 Super Premium Efficiency
The RS Pro team are always looking to bring great value products to engineers whilst meeting their industrial needs. With this in mind check out the new range of inverter drives in the video below.
Available in epoxy die-cast-aluminium cases in two colours - rugged grey, and a white version that is FDA approved for use in food processing - the units offer easy operation with either simple or no programming required. The high-quality and high-reliability RSDA series inverters, for example, offer power ratings from 0.75 to 2.25kW and feature common sense programming (CSP) to organise parameters into easy to understand intuitive groups.
Devices in the range also include features such as Modbus communications protocol compatibility, programmable four-digit displays, status indicator LEDs and multi-function keypads. In addition, pricing is highly competitive and compares well to fully featured digital drives that require difficult programming and/or are provided in less robust plastic cases.