Explain the role of snubber circuit to protect SCR against high di/dt and dv/dt.

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written 7.8 years ago by

sndeshpande.pvpp • 150

modified 3.6 years ago by

DevarenjiniP • 3.2k

power electronics

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written 3.6 years ago by

DevarenjiniP • 3.2k

di/dt protection:

When VAK > 0 and I, > 0, conduction of anode current begins near gate cathode junction. If the rate of rise of anode current (di/dt) is greater than spread velocity of carriers, local hot spots will be formed near the gate due to high current density which …

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