Types of Hybrid Electric Vehicles HEVs_MHEVs_FHEVs_ PHEVs | It's Working Part 2

Now that you know what hybrid car means, it is time to understand what’s a hybrid car types available in the market.
Mild Hybrid Electric Vehicle MHEVs
It is the newest innovation in hybrid technology. In this type of hybrid, an electric motor is unable to propel the vehicle on its own. The majority of the work done by conventional gasoline or diesel engine, while an electric motor assists the conventional engine by either increasing performance, decreasing fuel consumption, or both.
This small electric assistance helps support the petrol or diesel engine and helps reduce the amount of fuel it burns, making it more efficient. This leads to better fuel economy - meaning that your fuel bills are a little lower than they would otherwise be - and you get lower CO2 emissions from the exhaust.
Some systems also allow the engine to be switched off for short periods while the car is travelling at a steady speed, further improving efficiency.
Advantages: 1. Lower Emissions 2. Reduced Running Costs 3. Smoother Ride 4. Lower Purchase Cost
Disadvantages: 1. More Mechanical Pieces 2. Limited improvement in efficiency 3. More expensive than non-hybrid cars 4. Small number of models so far
Full Hybrid Vehicle (FHEVs) or Self Charging Hybrid
This type of Hybrids supports both electrical components and a conventional engine. In Full Hybrid cars, the electric component can handle more workload than in a mild hybrid car.
Full hybrids use both a combustion engine and an electric motor to drive, either at the same time or independently. They have an electric system that drives the powertrain. The electric motor usually handles city driving, and the I C engine takes over for highway driving. Full hybrid cars are capable of travelling (really) short distances on electric power only. Full hybrid vehicles have complete access to all features offered by hybrid technology. These vehicles have a large battery pack located in the boot that powers the electric motors. At a certain speed, these vehicles can be powered by batteries only enabling them to independently operate without any input from the engine. In case the battery gets depleted, the generator pulls power from the engine and charges the batteries.
They are also able to operate in series mode, parallel mode or Power split hybrids.
I. Parallel Hybrids:
This is the most common sort of full hybrid, which combine the power of an electric motor and a gasoline engine through a single transmission. The cars are either directly powered by a gas engine, by an electric motor, or by a combination of both. Nero uses a parallel hybrid system.
II. Series Hybrids:
In this hybrid mode, the gasoline engine is not connected to the wheels and is only used to produce electricity for a generator that serves energy to recharge the battery. There is never physical mechanical contact between the engine and the wheels and the electric motor serves to provide all the propulsion.
III. Power split hybrids (Series- parallel Hybrids)
Series and parallel hybrid drives can also be combined in one vehicle. With power split or series-parallel hybrids, as they are also known, the driver chooses one of the two drives.
Advantages of Full Hybrid Vehicles:
Retain a higher value throughout their lifespan than a Mild Hybrids.
They also have greater fuel savings and a reduced environmental impact.
Disadvantages:
However, full hybrids may be more expensive to maintain because of the added engine complexity.
Plug-in Hybrid Electric Vehicles (PHEVs)
As the name Plug-in Hybrid suggests, this type of hybrid can plugged into an external electrical socket as well as charged while on the road. It is actually in-between traditional hybrids and fully electric vehicles, which means that it has a conventional engine but larger batteries than typical hybrids, which allows you to drive on only electric power for up to 30 to 55 miles before switching to a petrol engine. Moreover, after all the electric power used up the car reverts to a conventional parallel hybrid. You don’t need to worry about topping the batteries up if you need to go further, because the conventional engine automatically kicks in and takes over when the batteries are depleted.
Advantages of plug-in hybrid cars
1. Electric power
2. Cheap to run
3. Environmentally efficient
4. Reliability
Disadvantages of plug-in hybrid cars
1. Higher price
2. heavy battery
3. The battery packs are expensive
4. Costly maintenance
Note: A fuel cell electric vehicle (FCEV) might be considered a fourth type of hybrid car, but it's not widely available right now. Instead of using gasoline, these FCEV hybrids use a hydrogen fuel cell that has zero emissions
1:07 Types of Hybrid Electric Vehicles
1:32 Mild Hybrid Electric Vehicles
2:52 Full Hybrid Vehicles
4:09 parallel hybrids
4:31 Series Hybrids
4:52 Power Split Hybrids (Series - Parallel Hybrids)
5:35 Plug-In Hybrids
7:18 Fuel Cell Hybrids ( Hydrogen Cars)
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