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How Can Your Workers Stay Safe Near Variable Speed Drive?

Variable Speed Drive Manufacturer

By Jackson WilliamPublished 2 years ago 3 min read

VSD is a type of controller that drives electric motors by causing a variation in the voltage and frequency that is supplied to the electric motors. VSD may at times be referred to as adjustable speed drives, variable frequency drives, adjustable frequency drives, inverters, and many others.

Although variable speed drives are important, they may present some risks if not operated and preserved using the right way. So, it is necessary to have some knowledge about their safe operation and maintenance to avoid ugly incidents at the workplace. It is ideal to find a reliable variable speed drive manufacturer to buy the best quality product for your application.

Below, I’m going to share some important things that you should consider to keep your workers safe near VSD.

How Variable Speed Drives Work?

Frequency affects the motor’s speed directly meaning that the speed of the motor is determined by the speed of frequency. If a certain application doesn’t require an electric motor to reach its full speed, the VSD can be applied for altering the voltage and frequency in such a way that it levels to the prerequisite of the load of the motor. Every time that the rapidity necessities of the application’s motor change, the VSD can just rise or decrease the speed of the motor to fit the speed obligation.

Risk Involved with Variable Frequency Drive

Like many other devices that use electricity to power them, VSD can result in some risks due to poor maintenance, as well as lack of observation of safety measures. If they are poorly maintained, can lead to insulation breakdown and heating in a number of applications. These can happen when transistors at a fast rate. When this heat is produced at a place where that are flammable gases, then there is a higher chance of fire hazard. It may result in loss of property and lives, and the company may have to consider replacing equipment, recompensing workers, and observing for substitutes for very vital associates of staff.

Safety Measures for Variable Speed Drive

For avoiding the risks tangled with the use of VSD, you must know the details. Safety procedures may vary with the several applications subsequently they don’t all look like each other. While there are some general safety measures that apply to all of them. There are some of these safety measures that include keeping the VSD clean, making sure that it’s at all times dry, and confirming that connections are always right.

Keeping the VSD Clean

There are some VSDs that have side vents, which ensure that there is cooling airflow. These side vents benefit to make the VSD vulnerable to dust, as well as can easily decrease the efficiency of heat flow fans as well as heat sinks. Thus, the dust may cause a malfunction when there is moisture absorption. And due to this, the drives must be cleaned from time to time.

Keeping the VSD Dry

The VSD is endangered to moisture build-up can cause the circuit board to corrode, leading to malfunction. For keeping it dry, a space heater, which is thermostatically measured should be made known to if there are higher chances of air condensation and the side vents should always be working appropriately.

Keeping the Connection Tight

As obvious as it, not everyone thinks of checking the connections. It is essential to confirm that screws are not too tight or moveable since they may collapse connection causing electric shocks, as well as other electrical hazards. It is also important to inspect the DC capacitors for keeping the track of the voltage, as well as monitor the temperature of heat sinks.


These are some important things that you should consider to keep your worker safe from the risk associated with the VSD. You can find one of the best variable speed drive manufacturers for buying high-quality products for your application.


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