The designs were failures.
The Fiat bogies used in LHB coaches do not have sufficient space to mount the generators. So alternate methods had to be designed. But none of the designs were successful and the coaches have an MPS of only 105 kmph.
Hybrid LHB tried to avoid this problem by using ICF bogies instead of FIAT bogies, but again these coaches had ride quality issues and too man failures in the suspension.