Thank you for the answer Bryan.
May I ask in your eqn. “E=v*i” - Is “E” denoting the power (in W) or energy (in J)? Do you mean power P(in W)? If so, my another question is why the energy E (in J), in stead, is used in “Turn-on loss” and “Turn-off loss” (attached below)?
Thank you agian!