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Importance of Using Variable Frequency Drives
Speed drives that can be adjusted are referred to as variable speed drives. In electro-mechanical drive systems, the speed of the AC motors are controlled by these variable frequency drives. They work by varying the input frequency for the motor and also the input voltage. The work done by the AC motor dictates the extent of adjustment needed to be done by the variable frequency drives. This makes the activity to run smoothly because the process will move according to the demand of the application. Many advantages are there as a result of using variable frequency motors. The discussion below reveals these benefits that are as a result of using variable frequency drives.
The actual amount of electrical energy needed to start an AC motor is provided by the variable frequency drives. It may require some huge amounts of energy to ignite an AC motor in the local ways. This occurs when the energy restrictions are not considered. And this will use maximal energy, hence a great electrical loss. Therefore, to save energy, a variable frequency drive is very beneficial here. They supply the AC motor with minimal energy to start, therefore, the motor will start slowly and help reduce the kinetic energy gradually hence using less electrical energy. To save energy while igniting AC motor, these drives are key to make sure you save electrical energy.
Another key advantage of using variable frequency drives is to control on the ignition speed of the AC motor. These drives are designed in such a manner that they regulate on the ignition speed of the motors. An AC motor should not ignite at very high speeds. Ac motors that start at a slower speed are the best. 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. This is made possible by the use of a variable frequency drive.
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. The engine will not last long if it has a rough deceleration. For a longer engine life, smooth deceleration is the best. This will be effective when we use good variable frequency drives to control the input current for our engines.
Variable frequency drives help to regulate on the start and stop of engines. The input voltage and frequency of input to an engine is regulated by the variable frequency drives. The variable frequency drive tells whether an engine will last longer or not. The discussion above shows the importance of using these variable frequency drives.