Why Use Variable Frequency Drives
Speed drives that can be adjusted are referred to as variable speed drives. These are used in electro-mechanical drive system purposely to control the speed of the AC motor. The control of AC motors is made possible by varying the input voltage and also the input frequency which is purposely done by the variable frequency drives. The control of the input is done to suit the work done by the AC motor. The work to be done by the motor will be very effective since the adjustments that are done will have to be in favor of the job to be done by the motor. Many benefits result from the use of variable frequency drives. The discussion below reveals these benefits that are as a result of using variable frequency drives.
A variable frequency motor provides the actual amount of power needed to ignite the motor. To start a motor locally, it may require some anonymous amount of energies. This occurs when the energy restrictions are not considered. And this will use maximal energy, hence a great electrical loss. To save this energy, we use variable frequency drives. Its use is clearly to regulate the amount of energy needed to ignite the motor hence saving electrical energy. Therefore, to be electrical efficient, these drives play an important role during the time of igniting the motors.
Another key advantage of using variable frequency drives is to control on the ignition speed of the AC motor. The variable frequency drives are manufactured in a manner that they ensure suitable start speed for the AC motor is reached. An AC motor should not ignite at very high speeds. The best AC motors are the ones that start at very slow speeds. Then follows a steady increase in the speed of the motor. A good motor is the one that starts this way and therefore can be used in many applications. Using a variable frequency drive will make this possible.
The life of the AC motor engine is increased when using a variable frequency drive and this is very advantageous. The life of the engine can also be determined by how the engine stops. A rough deceleration greatly affects the life of the engine negatively. On the other hand, a smooth deceleration greatly improves the life of the engine. A good variable frequency drives to regulate the AC to the engine will make this possible.
To conclude, for engines to start and stop are regulated by the variable frequency drives. These are components which regulate the input power to an engine. The variable frequency drive tells whether an engine will last longer or not. The benefits as a result of using variable frequency drives are explained in our discussion above.