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AC DC Converters

SPPC248001FC (SWBR) is a three-phase bridge type full-wave AC-DC converter that automatically rectifies the AC input power and converts it into a uniform DC output. It has a few application fields and here we will be discussing the working principle and the same.

Applications of SPPC248001FC

The SPPC248001FC converter has various application fields which are listed below:

• It is used in factory automation. The SPPC248001FC converter provides excellent output power supply for low-voltage machines like robots and controllers.
• It is used in underwater electric propulsion systems to convert AC power to DC power for propulsion.
• It is used in electric motor control where the converter helps in changing the speed and direction of the motor.
• It is also used in consumer electronics for powering small appliances like bread makers, toasters, etc.
• In railway systems, the SPPC248001FC converter is used in supplying power to locomotive engine for locomotion.

Working Principle of SPPC248001FC

The working principle of the SPPC248001FC converter involves the rectification of AC input power into a uniform DC output. It consists of three main stages - a full-wave rectifier stage, a controller stage and a transformer stage. The first stage is a full-wave rectifier in which the AC input is convert to DC. In this stage, the two diodes which form the rectifying bridge rectify the input power. This means that the current from the alternating current source flows only in one direction. To further control the output voltage, a bridge controller is incorporated in the second stage. The feedback signal of the controller is used to adjust the duty cycle of the bridge controller to regulate the output voltage. The last stage is the transformer stage. In this stage, the voltage is stepped down to the required voltage and current according to the output voltage required. The transformer also helps in isolating the DC output from the AC input. The SPPC248001FC converter works in the following way. First, the AC input is rectified in the full-wave bridge rectifier. Then, the bridge controller adjusts the duty cycle of the rectifier to fine-tune the output voltage. Finally, the transformer steps down the voltage to the required level. In summary, the SPPC248001FC converter is a three-phase bridge type full-wave AC-DC converter that automatically rectifies the AC input power and converts it into a uniform DC output. It has several application fields and its working principle consisting of the rectification, controller and transformer stages.

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