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© Innovators. ## Construction of S ilicon Controlled Rectifier Static and Dynamic Characteristics of S CR. What specification/Rating require to select.

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Presentation on theme: "© Innovators. ## Construction of S ilicon Controlled Rectifier Static and Dynamic Characteristics of S CR. What specification/Rating require to select."— Presentation transcript:

1 © Innovators

2 ## Construction of S ilicon Controlled Rectifier Static and Dynamic Characteristics of S CR. What specification/Rating require to select SCR’s What is T wo-Transistor Analogy Gate Characteristics How to Trigger the SCR Protection What is T urn Off(GTO) Thyristor. 8 2 3 4 5 6 7 9 Learning Objectives 1 What is S ilicon Controlled Rectifier

3 V I Forword Leakage Current Ig 0 = 0 Forword Conduction Mode (On State) Forword Blocking Mode (Off State) Transition State Forword on state volatage drop Latching Current Holding Current A K G © Innovators

4 V I Forword Leakage Current Ig 0 = 0 Forword Conduction Mode (On State) Forword Blocking Mode (Off State) Transition State Forword on state volatage drop Latching Current Holding Current A K G Ig 1 > Ig 0 Ig 2 > Ig 1 Ig 3 > Ig 2 © Innovators

5 V I Forword Leakage Current Ig 0 = 0 Forword Conduction Mode (On State) Forword Blocking Mode (Off State) Transition State Forword on state volatage drop Latching Current Holding Current A K G Reverse Blocking Mode (Off State) V BR Reverse Leakage Current V BO © Innovators


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