Functions of Variable Speed Drive (VSD) Inverters in Electric Motors and Industrial Equipment

The function of inverters or Variable Speed Drives (VSD) often goes unnoticed but greatly aids us in using electronic devices with electric motors for daily activities. The machinery in electronic devices is very complex and intricate, with many components working together to make the machine function as it should. In some devices that use electric motors, inverters or variable speed drives are essential components that simplify user operations.

Want to know what functions inverters or variable speed drives serve and their applications in daily life? Read on to find out more.

Read More: 10 Safety Equipment for Heavy Industry Projects and Their Functions

What is an Inverter?

An Inverter Variable Speed Drive (VSD) is a tool that controls the speed and torque of an electric motor by adjusting the frequency and voltage, allowing the machine's speed to be set according to needs. Simply put, a VSD inverter is used in devices containing electric motors. VSD inverters can increase energy efficiency, extend the lifespan of electric motors, and reduce operational costs. With VSDs, machines like pumps, fans, and compressors can be adjusted more flexibly to match load requirements, resulting in more efficient and energy-saving performance in various industries.

Functions of Inverters in Electric Motors

The main function of an inverter in electric motors is to convert direct current (DC) into alternating current (AC) with adjustable frequency and voltage. The primary role of the inverter is to control the speed and torque of electric motors with high efficiency. This is particularly useful in industrial applications where variable motor speed is crucial, such as conveyor belts, pumps, and compressors. Using an inverter allows electric motors to operate more flexibly and energy-efficiently, reducing mechanical wear and maintenance needs.

Functions of Inverters in Production Machinery and Industrial Equipment

In production machinery and industrial equipment, the inverter's function is to precisely regulate the speed and torque of electric motors, enhancing operational efficiency and process flexibility. With inverters, machines can operate at optimal speeds tailored to the specific needs of each production process. Industrial machinery and equipment with inverters consume less energy, experience significantly less mechanical wear, have longer lifespans, and offer more precise product quality control.

Powered by Froala Editor

Examples of Inverter Applications

1. Air Conditioners (AC) 

Inverters in AC units regulate the compressor speed according to the cooling needs of the room. By using an inverter, ACs can operate more efficiently as they do not need to frequently turn on and off to maintain the desired temperature. Inverters adjust the compressor speed continuously, reducing energy consumption and providing more stable and faster cooling. Additionally, inverter ACs are quieter and more durable because the compressor operates more smoothly and consistently.

2. Elevators 

Inverters in elevators control the speed of the lift motor, ensuring smooth and safe operation. With an inverter, elevators can accelerate and decelerate smoothly without jerks, improving user comfort. Additionally, using an inverter makes the elevator more energy-efficient as the motor can operate at the optimal speed required, rather than full speed all the time, thus reducing electricity consumption.

3. Refrigerators 

Inverters in refrigerators control the compressor speed based on cooling needs. An inverter refrigerator can operate the compressor at a lower speed when the temperature is stable and increase the speed when faster cooling is needed, such as when the door is frequently opened and closed. Inverter refrigerators can save energy and reduce electricity bills, maintain more consistent temperatures, keep food in better condition, and reduce compressor wear.

4. Washing Machines 

Inverters in washing machines adjust the motor speed according to the type and weight of the laundry. With an inverter, the washing machine can precisely adjust the spin speed for washing, rinsing, and spinning with high efficiency. Inverters make washing machines energy and water-efficient, reduce noise and vibration, and enhance washing performance. Inverter washing machines also tend to be more durable because the motor operates more smoothly and is not overly burdened.

Read More: 6 Differences Between Wet Vacuum Cleaner and Dry Vacuum Cleaner

The function of inverters or variable speed drives can be experienced in various electronic devices that facilitate daily household tasks. Inverters in electric motors are essential components. They are not only found in small-scale machines but also in larger, more demanding applications, such as industrial machines and commercial building equipment. Therefore, the reliability of inverters should not be underestimated.

The functions of variable speed drive inverters in electric motors and industrial equipment can be experienced through quality electrical products from Schneider Electric, especially in the Altivar series available at Mitra Cipta Hardi Elektrindo.

Powered by Froala Editor