ST2100C36R0

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Thyristors, also known as silicon control rectifiers (SCRs), are three-terminal semiconductor devices used to control electric power. The ST2100C36R0 is a general-purpose, three-phase AC thyristor that can be used for various applications, such as heating, lighting, and motor control. In this article, we will discuss the application field and working principle of the ST2100C36R0.

Applications

The ST2100C36R0 is a versatile three-phase AC thyristor designed for use in a wide range of applications. It has an switching capacity of up to 3000A and can be used to control electric power in industrial process control, lighting, heating, and cooling systems, as well as for motor control. Additionally, this thyristor can also be used for power conversion and inverter control, phase-angle control, and pulse control.

Working Principle

The ST2100C36R0 thyristor is a unidirectional device which means that it can pass current in only one direction. It has three terminals: anode (A), cathode (K) and gate (G). When a voltage is applied between the anode and the cathode, the thyristor remains in an OFF state and no current can flow. However, when a voltage is applied to the gate, the thyristor turns ON and the current starts to flow through the device. This process is known as "firing".

The ST2100C36R0 thyristor can be fired in two different modes: phase control and burst control. In phase-control mode, the thyristor is fired at a precise angle corresponding to the applied reference voltage. This allows precise control of the output power. In burst-control mode, the thyristor is fired in short bursts which results in a lower power rating but fewer load losses than what can be achieved with phase control.

Once the thyristor has been turned ON, it will remain ON until the anode-cathode voltage drops below the holding current. This is known as the "latching" of the thyristor. The latching current can be adjusted by applying a voltage to the gate. This allows the thyristor to be turned OFF when the voltage across the anode and cathode drops below the holding current.

Conclusion

The ST2100C36R0 is a three-phase AC thyristor designed for use in a wide range of applications. It is capable of switching up to 3000A and can be used for motor control, lighting, heating and cooling systems, power conversion and inverter control, phase-angle control, and pulse control. Furthermore, it can be fired in either phase-control or burst-control mode and the latching current can be adjusted.

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