Table of Contents
What are the types of thyristors?
Types of Thyristors
- Phase Controlled Thyristors.
- Asymmetrical Thyristors (ASCRs)
- Inverter-grade Thyristors (fast switching speed SCRs)
- Reverse Conducting Thyristors (RCTs)
- Bidirectional Diode Thyristors (DIACs)
- Gate Assisted Turn-off Thyristors (GATT)
- Bidirectional Triode Thyristors (TRIACs)
- Silicon Control Switch (SCS)
What is a diode do?
A diode is a semiconductor device that essentially acts as a one-way switch for current. It allows current to flow easily in one direction, but severely restricts current from flowing in the opposite direction. When a diode is reverse-biased, it acts as an insulator and does not permit current to flow.
What is a thyristor module?
Thyristor products are also called a SCR (Silicon Controlled Rectifiers). A SCR Module is used to control and rectify current in only one direction. The SCR module works like a mechanical switch: it is either on or off.
What are the 4 types of thyristors?
Based on turn on and turn off capabilities the thyristors are classified into the following types:
- Silicon controlled thyristor or SCRs.
- Gate turn off thyristors or GTOs.
- Emitter turn off thyristors or ETOs.
- Reverse conducting thyristors or RCTs.
- Bidirectional Triode Thyristors or TRIACs.
- MOS turn off thyristors or MTOs.
What is DIAC thyristor?
The DIAC (diode for alternating current) is a diode that conducts electrical current only after its breakover voltage, VBO, has been reached momentarily. DIACs have no gate or trigger electrode, unlike some other thyristors that they are commonly used to trigger, such as TRIACs.
What is a capacitor What does it do?
A capacitor (originally known as a condenser) is a passive two-terminal electrical component used to store energy electrostatically in an electric field. Unlike a resistor, a capacitor does not dissipate energy. Instead, a capacitor stores energy in the form of an electrostatic field between its plates.
What is meant by snubber circuit?
A snubber is a circuit that is used in semiconductor devices for protection and performance enhancements. A snubber circuit limits or stops (snubs) switching voltage amplitude and its rate of rise, therefore reducing power dissipation.