We invite you to read this article that aims to understand the actual operation of a hybrid vehicle.
First of all, let’s analyze that it is a vehicle that uses two technologies to move, an internal combustion engine and one or more electric motors. Depending on the situation, the motors will work as follows:
• Internal combustion engine only
• Combustion engine and an electric motor
• Combustion engine and both electric motors
• Only one electric motor
What will each of these conditions depend on?
1. What percentage of charge does the HV battery have?
2. The power demand to which the vehicle is subjected
For example, if the vehicle is driving at low speed on the road and the battery is above 60% charged, it is not necessary to turn on the combustion engine, so it will only be operating in electric mode.
Suppose after this, it hits a dip. So the kinetic energy will be who will be propelling the vehicle, Consequently, now the electric motor that was previously propelling the vehicle becomes an electric power generator and will recharge the HV battery.
However, now we come to a hill, so energy is going to be required to keep our vehicle moving. At this time, one of the electric motors is once again the one that propels the vehicle, but if this climb is very heavy, the combustion engine will also start up, which will also help propel the vehicle.
Once a flat road is taken again, It must be taken into account that it extracted energy from the HV battery and this must be recovered, so the strategy is taken that one of the electric motors continues to propel the vehicle, the combustion engine will also be working, but not to propel the vehicle but rather to work together with the second electric motor, which in this case will behave as a generator to recharge the HV battery and recover its lost energy.
As we can see, v.aa depend a lot on the situations to which the powertrain of this vehicle is subjected so, certainly, although it is very fuel efficient, This is necessary for its operation since the motor is strictly required to be able to replenish the energy of the HV battery. If it runs out strategically, the control unit will prevent the operation of the vehicle to avoid losing too much battery energy. HV.
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