T512FSE Discrete Semiconductor Products

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Thyristors - SCRs - Modules

T512FSE technology is a voltage source converter system (VSCS) that can automatically adjust the phase angle of the device for phase control applications. It is a special type of Thyristor switch circuit (TSC) used to control the motor\'s phase lag or leading. The system is composed of an SCR, a digital controller, and a power supply. SCR is also known as silicon controlled rectifier, which is a thyristor based three-terminal device widely used for various switching applications.

Applications of T512FSE Technology

T512FSE technology is applicable to a wide variety of control systems, such as motor speed control, power-factor correction, 3-phase power systems, photovoltaic inverter systems, and frequency or period changer. It is also widely used in industrial control and power management applications, including:

• Controlling the speed of AC/DC motors.
• Regulating current or voltage in a power network.
• Phase angle control of AC motors.
• Switching circuits when operating a DC motor.
• Switching systems in electrical generators.
• Frequency changers.
• Power system operation in commercial and industrial plants.

Working Principle of T512FSE Technology

The T512FSE technology is based on the Silicon Controlled Rectifying (SCR) concept. In this system, an SCR is used to control the flow of current, based on a reference voltage. The system uses a digital controller, which is connected to the digital power supply and the SCR, to adjust the phase angle of SCR in response to a reference voltage, which is generated by the controller.

The reference voltage is used to control the triggering of SCR. A high reference voltage will cause the SCR to be forward-biased and hence the current can flow through the SCR, while a low reference voltage will cause the SCR to be reverse-biased and thus stop the current flow. The phase angle between the two currents, also known as phase angle control, is accomplished by controlling the reference voltage.

The SCR is connected between the digital power supply and the load, and the digital controller is connected to the SCR. The controller is responsible for sensing the current in the load and then adjusting the reference voltage accordingly. The reference voltage is sent to the SCR, and based on this voltage, the SCR will either be forward-biased or reverse-biased, thus controlling the phase angle of the current.

The digital controller also has other features, such as over-current and temperature protection, which help to ensure that no damage is caused to the system even if the current increases beyond a set limit. This technology is widely used in industrial and commercial control systems due to its high efficiency and reliability.

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