28 Triacs | Power Electronics

The video tutorial discusses the operation and applications of thyristors and TRIACs. It explains how TRIACs can control current in both directions, making them useful in devices like lamp dimmers and home appliances. The tutorial covers the construction of TRIACs, their terminals, and how they are triggered. It also provides examples to illustrate the concepts of delay and conduction angles, and how to analyze circuits to determine trigger angles.

What is the function of the TERRORISER in controlling current?

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What are the differences between MT1 and MT2 in a thyristor?

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Explain the significance of the gate terminal in a thyristor.

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Describe how a thyristor can conduct in both directions.

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Explain the concept of zero crossing in relation to thyristor operation.

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How can the controllability of a thyristor be adjusted?

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What is the relationship between delay angle and conduction angle in a thyristor?

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What is the significance of the forward breakover voltage in a thyristor?

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How does the voltage across a thyristor behave when it is triggered?

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What happens to the load voltage when a thyristor is turned on?

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