SSTC 3

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SSTC, or Static Switching Thyristor Converter, is a type of power converter used in electrical circuits. It is typically used in applications where power loss needs to be minimized and efficient operation is required. In addition to this, it is also used in switching, protection and control applications. SSTC is essentially a type of switch-mode power supply having several stages of power-conversion circuitry to provide reliable operation. The first stage is a rectifier which converts alternating current to direct current. The second stage is a thyristor switch which regulates the output current. The last stage is an output filter, using a combination of inductors and capacitors to smooth the output voltage and reduce conducted or radiated noise.

SSTC 3 application field are primarily industrial process control, welding and electric vehicle applications. In industrial process control, the SSTC is used in controlling electric drives, such as in servo systems and inverters. It is also used in welding applications, for DC arc welding as well as AC welding. Finally, in electric vehicle applications, the SSTC is used in battery charger and electric motor controller systems.

The working principle behind the SSTC 3 is quite simple. When power is supplied, a self-sustained process of thyristor switching is started. This process then triggers a charging cycle. During the charging cycle, an AC voltage is applied to the circuit, which creates a voltage differential between the positive and negative terminals of the thyristor switch. This differential is utilized to switch the thyristor and charge the capacitor. When the capacitor is charged, the circuit is automatically switched off, and the cycle repeats itself. This process allows for very efficient operation of the power converter, and eliminates the need for a manual switching mechanism.

In summary, SSTC 3 is a type of power converter used in applications where power loss needs to be minimized. It is primarily used in industrial process control, welding, and electric vehicle applications. The working principle of the SSTC is based on a self-sustained process of thyristor switching where a charging cycle is created when power is supplied. Once the capacitor is charged, the circuit is automatically switched off, and the cycle repeats itself. This allows for very efficient and reliable operation of the power converter, and eliminates the need for a manual switching mechanism.

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