Every system offers it owns benefits and disadvantages, and although the more difficult systems are generally superior they have an attached cost that far exceeds the easier systems.
The downside to the machine is it is very complicated and incredibly expensive, and typically only used for racing/track applications because of its high speed cornering potential.
Torque coupling China Vectoring Differential 940x310The yellow-colored arrow highlights the torque transfer occuring through the corner, produced by the artifical resistance being exerted by the TVD externally wheel. This enables for higher acceleration from the corner as the car’s turning abilitty is definitely increased.
A Torque Vectoring Differential is with the capacity of channelling 100% of the offered torque through an individual wheel when needed in the the majority of extreme of circumstances.
With the TVD exerting more level of resistance onto the exterior wheels clutch, it tricks the system into diverting more torque through it – increasing the amount power that can be applied and reducing the understeer skilled under acceleration out of a corner.
By continuing to apply this resistance through the corner, as the automobile passes the apex and begins to accelerate out it will continue to override a normal multiway-LSD – which would again interpret the quicker moving outside wheel as slipping and divert torque during acceleration to the inside wheel, which it perceives as having more grip.
However, instead of releasing the resistance upon both wheels a TVD continues to activate the clutch on the outside wheel just – increasing the resistance experienced by that wheel and making the system 
channel more torque through it. This imbalance of power to the outside encourages the automobile to turn in to the part sharper and reducing understeer.