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The question asks us about hybrid electric vehicle.
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Hybrid electric vehicle normally used as hev.
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Now what is hybrid electric vehicle? this is basically an internal combustion engine.
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Internal combustion engine.
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Now what does this have? what is the speciality? basically this internal combustion engine is a combination.
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It is in combination of one or more electric motors.
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More electric motors.
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Now these motors that uses that use the energy stored in the batteries.
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Energy stored in batteries.
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Therefore this is a type of combustion engine which uses one or more electric motors that use energy from the batteries.
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Now this is the basic definition of hev that is a type of engine.
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Now what is the principle behind its working? the principle behind it working is that with this hev what is the principle connected? the principle connected.
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This is that different motors work at their own speed.
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We can also say that different motors work better at their different speed.
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Speed, work better at different speed.
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Therefore, it's needed, it's need to the combustion engine, to the combustion engine that is hev, combustion engine is better.
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How is this better? as it it is better for maintaining high speed because there are different motors connecting.
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Maintaining high speed than any typical electric motor.
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Than any electric motor.
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Because here are several motors connected.
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Therefore, it can maintain a good high speed.
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Speed as there are number of motors connected or combined.
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Now what happens is that battery of the engine is charged, the battery is charged through regenerative braking.
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Regenerative braking.
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Breaking.
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Through regenerative breaking the battery is charged and then by internal combustion engine the internal combustion engine the process is started.
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Therefore this is the final working principle of hev.
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Now we need to differentiate between series hev and the the parallel one.
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So first let's look at the series one.
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The first factor that comes into consideration is battery.
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Then this battery is connected with the inverter.
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Now because this is series therefore this inverter is then here connected to the generator.
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Here here which is connected to the motor.
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The motor.
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Now here this motor is connected with the wheels.
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These are the wheels.
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Similarly this generator is connected here as to the engine...