Electronic starters
Electronic starters are thyristor-based electronic devices that, by controlling the three phases of the asynchronous motor, regulate the voltage and current during its startup, effectively controlling the torque.
The starter is a control device for three-phase motors that allows for smooth and slow motor startup and shutdown. These devices regulate the voltage, contributing to energy savings and protecting the motors to optimize time and resources in industrial production processes.
How do electronic starters work?
Electronic starters effectively control the voltage and gradually supply power to the motor. This allows them to control the startup current consumed by the motor and the generated torque, thus avoiding the peak that occurs in startup current.
The main objective of these devices is to achieve optimal operation of industrial machinery. To accomplish this, they have different mechanisms inside that allow for a slower and more precise startup. Their main functions are:
- Current limiting: They administer the necessary electricity to determine the proper operation of the motors.
- Voltage regulation to the motor: They prevent voltage surges or drops that lead to premature wear of the machinery.
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Advantages of using electronic starters in the industry
Energy reduction
With an electronic starter, voltage gradually accumulates, resulting in less energy consumption during the motor ignition process.
Lower risk of voltage surges
These devices are a great protection measure as the voltage is regulated for administration to the machinery.
Adjustable acceleration time
They allow for customization of the exact time at which the motor startup is desired.
Extended machinery lifespan
They help prevent mechanical and electrical deficiencies in industrial systems.
When is it recommended to use an electronic starter?
When there is a need to:
- Reduce current peaks and eliminate voltage drops in the line
- Reduce starting torques
- Smoothly accelerate, decelerate, or brake for the safety of people or transported objects
- Gradually start machines, especially those with high inertia
- Easily adapt the starter to special machines
- Protect the motor and machine with a comprehensive protection system
- Monitor and control the motor remotely
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