348   PetscScalar        Id, Iq;      /* Generator dq axis currents */  in SetInitialGuess()  local
380     Id = IGr * PetscCosScalar(theta) - IGi * PetscSinScalar(theta); /* d-axis stator current */  in SetInitialGuess()
386     Edp = Vd + Rs[i] * Id - Xqp[i] * Iq; /* d-axis transient EMF */  in SetInitialGuess()
387     Eqp = Vq + Rs[i] * Iq + Xdp[i] * Id; /* q-axis transient EMF */  in SetInitialGuess()
399     xgen[idx]     = Id;  in SetInitialGuess()
405     Efd = Eqp + (Xd[i] - Xdp[i]) * Id;  in SetInitialGuess()
439   PetscScalar        Id, Iq;             /* Generator dq axis currents */  in ResidualFunction()  local
474     Id    = xgen[idx + 4];  in ResidualFunction()
481     fgen[idx]     = (-Eqp - (Xd[i] - Xdp[i]) * Id + Efd) / Td0p[i];  in ResidualFunction()
484 …fgen[idx + 3] = (TM[i] - Edp * Id - Eqp * Iq - (Xqp[i] - Xdp[i]) * Id * Iq - D[i] * (w - w_s)) / M…  in ResidualFunction()
498     fgen[idx + 4] = Zdq_inv[0] * (-Edp + Vd) + Zdq_inv[1] * (-Eqp + Vq) + Id;  in ResidualFunction()
502     PetscCall(dq2ri(Id, Iq, delta, &IGr, &IGi));  in ResidualFunction()
695   PetscScalar        Id, Iq; /* Generator dq axis currents */  in ResidualJacobian()  local
727     Id    = xgen[idx + 4];  in ResidualJacobian()
766     val[1] = -Id / M[i];  in ResidualJacobian()
769     val[4] = (-Eqp - (Xqp[i] - Xdp[i]) * Id) / M[i];  in ResidualJacobian()
822     dIGr_ddelta = Id * PetscCosScalar(delta) - Iq * PetscSinScalar(delta);  in ResidualJacobian()
823     dIGi_ddelta = Id * PetscSinScalar(delta) + Iq * PetscCosScalar(delta);  in ResidualJacobian()