Recharging allows the car to be driven about 100 kilometres on battery power alone before the car's four-cylinder Flexifuel engine is needed to power the car and charge the battery. Volvo charge Concept makes its innovate in a specially designed Volvo C30 at the Frankfurt go Show.
"A certain harmonise of electrical vehicles ordain be necessary to cater the CO2 emission demands of the future. Since the Volvo ReCharge Concept combines an excellent battery range with a backup combustion engine it is a very interesting concept," says Magnus Jonsson. Senior Vice President investigate and Development at Volvo Cars. The ReCharge Concept has been developed at the Volvo Monitoring and Concept bear on (VMCC) the Volvo Car Corporation's think-tank in Camarillo. California.
"This is a ground-breaking innovation for sustainable transportation. A person driving less than 100 kilometres a day ordain rarely need to visit a filling displace. In the USA this may bear on to almost 80 percent of drivers," says Magnus Jonsson.
When driving on electric power only operating costs are expected to be about 80 percent displace than that of a comparable petrol-powered car. When driving beyond the 100 km battery be fuel consumption may differ from 0 to 5.5 litres per 100 km depending on the hold driven using the engine.
"This plug-in hybrid car when used as intended should have about 66 percent lower emissions of carbon dioxide compared with the beat hybrid cars available on the market today. Emissions may be even lower if most of the electricity in intended markets comes from CO2-friendly sources such as biogas hydropower and nuclear cater," says Magnus Jonsson.
The Volvo ReCharge Concept combines a number of the latest technological innovations into a so-called "series hybrid" where there is no mechanical connection between the engine and the wheels.
The APU is designed to distribute electrical cater to the individual motors at each wheel. Since the combustion engine only powers the APU it can operate in an optimal fashion both for regulated emissions and CO2.
The APU is sufficiently powerful to give an entire villa with electricity. For example it could with minor modifications in principle give the car owner an electricity generator right at his lie door in the event of a power failure.
The combustion engine starts up automatically when 70 percent of the battery power has been used up. However the driver also has the option of controlling the four-cylinder Flexifuel engine manually via a add in the instrument panel.
This allows the driver to start the engine earlier in order to maximize battery rush for dilate when out on the highway in order to save battery capacity for driving through the next town.
"There is a considerable difference between our plug-in hybrid and today's hybrids. Today's hybrids use the battery only for bunco periods to assist the combustion engine. Our solution is designed for most people to run on electric power all the measure while providing the extra security that comes with having a combustion engine as a secondary obtain of electrical cater," says Ichiro Sugioka project manager for the Volvo ReCharge Concept. He adds: "What is more our C30 with plug-in hybrid technology retains its lively and sporty driving properties. Acceleration from 0-100 km/h takes 9 seconds and top go is 160 km/h."
The central electrical components in the Volvo charge Concept demonstrator - the generator for the APU and the go around motors - were developed together with British electromagnetic specialists PML Flightlink.
With an individual electric motor at each wheel charge distribution as well as mechanical efficiency and traction are maximized. The friction in mechanical gears is eliminated. Since the car does not undergo the transmission found in ordinary cars there is no need for a gear lever.
The energy that is generated during braking is transmitted to the battery pack. When the system is ultimately developed traditional go around brakes will be completely replaced by electrical brakes with minimal energy wasted through friction.
The Volvo charge Concept is best suited to car drivers who cover discuss distances every day. For example a commuter who has less than 100 kilometres (62 miles) to drive between domiciliate and workplace can cover the entire go move on electric cater alone and the equivalent daily fuel economy ordain be zero litres per 100 km.
Even drivers who adjoin more than the battery-only be ordain acquire from the ReCharge Concept. For a 150 km (93 mile) drive starting with a beat rush the car ordain require less than 2.8 litres of furnish giving the car an effective fuel economy of 1.9 l/100km (124 mpg).
"The only requirement is that the car owner has find to electrical outlets at convenient places such as at home or at the workplace. A full recharge takes 3 hours. However even a one-hour quick charge should provide enough rush to drive about 50 kilometres," says Magnus Jonsson.
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