Posts Tagged ‘electric car motor’

Electric Automobile Is Able To Overcome Ferrari 575M Maranello.

Friday, November 20th, 2009

In January 1997 the world saw awesome electric sports automobile called Tzero. The name means first point in time. Tzero was made as showcase for AC 150 drive structure, a separate-pace electric structure with an overall gear ratio of 9:1. The electric car motor was powered by a series of deep-cycle automotive lead acid batteries. With 1,250 pounds of batteries on board, the original automobile was good for 4.1-second zero-to-60 times with a top velocity of 90 m.p.h. and a range of 80 to 90 miles. Few street-legal vehicles are able of running to 60 m.p.h. in under four seconds, and it’s a safe bet that the Tzero is the only electric-powered motor vehicle that can. Even with the separate ratio, lead-acid models are capable of completing a quarter mile (400 m) drag race in 13.24 seconds. The probable range per charge of the tzero with the lead-acid batteries is 80 to 100 miles (130 to 160 km) as a result of consuming only 180 watt hours per mile (895 J/km) (DC) on the highway and due to regenerative braking. Within a separate hour, the vehicle can be charged from 0-95%. The base cost of this version was to have been USD $80,000.

A second prototype was built in August 2003, powered by 6,800 lightweight lithium-ion cells, comparable to those that produce up the battery packs of laptop computers, giving it a 300 miles (480 km) range. Lighter than the original version by 700 pounds (320 kg), the 2003 version goes from 0-60 mph in 3.6 seconds. The distinct gear ratio limits the automobile’s maximum speed to just over 140 miles per hour (230 km/h) at 13,000 rpm with appropriate gearing, though it has never been tried at bigger than 105 miles per hour (169 km/h). The automobile doesn’t meet federal protection regulations.But it is legal for street use when registered as a ”special construction automobile,” which is the way homemade and kit-built autos are registered. The base fee of the car was USD $220,000.

A car that, from zero to 100 and through the quarter mile, will run with, or beat, the $281,000 Lamborghini Murcielago, the $224,000 Ferrari 575M Maranello or the $440,000 Porsche Carrera GT. And do it cleanly and softly. Nevertheless, with the separate-gear Tzero’s motor limited to just over 100 m.p.h. at 13,300 r.p.m.’s, it will never win an oval-track race opposed to those supercars. But its developers are making a bet that the car’s power and range will generate renewed interest not only in their company’s offerings, but in electric car motor in general.

M R. GAGE and Mr. Cocconi were founders of Tzero. They realized that they could never make a vehicle with the economies of scale of a Honda or a Toyota. ”That’s how the Tzero was born; it’s a niche,” Mr. Gage said. ”We knew it would be costly because it was hand-built in-house, but it would justify its value because it would have exceptional performance.

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General Prologue To Hybrid Motor Vehicles.

Sunday, October 25th, 2009

Hybrid automobile is a automobile that uses inside combustion mover and electric car motor. The hybrid auto consumes petroleum in the more proficient way than conventional motor vehicle.

One of the ways of oil economy is regenerative breaking. It is a sort of electric breaking when automobile mover starts working as generator and reverse kinetic power in electric and charge batteries.

The essence of principle consists in the following: petroleum motor runs electric generator and required quantity of power pass through controlling system on electric vehicle mover and car starts propulsion. Hybrid car has also accumulators but not so weighty as electric auto has. In general electric car parts remain the same as electric car has.

In traffic jam or during driving with low speed and mover workload electric automobile engine is working powered by electricity from accumulator batteries.

Gas engine is not working and not spending petroleum during this time. It doesn’t work during free running and long time breaking.

On main road or during huge motor workload oil engine is working only, generator connected with petroleum engine charge accumulator batteries and electric motor is not working. When car should do critical trick like emergency overtaking or abrupt jerk two motors are launching. But the most time electric engine is working – it allowspermits keep gas up to 25% comparing with standard automobile.

The most suitable power source for auto electric motor is Li-ion battery. It is similar to cell phone battery, but has larger size. There are even enhanced batteries but their cost is about several hundred thousand for one vehicle set.

Perform of hybrid propulsion system is not possible lacking high-performance on-board CPU. It constantly assesses colossal number of parameters in real time. Considerable cost of this valuable device is software. Programmers label it firmware.

The most important cause of producing hybrid vehicles was market demand due high oil prices and constantly rising ecologic requirements.
Better technologies and tariff remissions for companies cause these vehicles cheaper than traditional. Ecological safety is another huge reason. Nowadays contamination is a great concern; it influences human healthiness and all environments. You can note the problems like global warming, terrible water, and not clean air. Hybrid automobile can assist to make our globe more cleaner and comfortable place to live.

Hybrid cars are at the moment created by foremost manufacturers. The last models that were sold are Toyota Prius and the Chevrolet Volt, a hybrid which uses a fully electric car with collaboration of a gasoline-powered electric generator to extend its ability.

There is a innovative characteristic in a world of hybrid autos plug-in technology. The batteries of hybrid car can be recharged not only during working interior combustion engine but using plug from electric power source. This significantly expands capabilities of hybrid auto and makes it similar to electric automobile.

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Imperfections Of Electric Vehicle

Friday, October 9th, 2009

Today most of people and manufacturers comprehend advantages of using electric automobile mover . Advantages like still driving, zero pollution, reliability, simplicity and below zero cost maintenance. But unfortunately there are still some restrictions of using electric carriers widely and they are not able immediately replace all gas cars.
The main disadvantage is that electric carriage can drive without recharge the batteries about 50 miles. So when gasoline automobile needs several short fuel stops to finish the trip time, electric automobile needs two, three hours to recharge batteries. Even the capacitors which are recharge much faster than accumulators require highly developed electrical infrastructure with a very high current. But infrastructure is being developed and using ultra capacitors can help to charge vehicles quickly. So this disadvantage will be solved in future. Of course this issue is unsuitable for long-distance driving, for many people that use carrier for driving job rechargeable time is not so important.

Other solution is standard replaceable accumulator pack. The battery pack can charge on the station several hours and replaced with empty for additional fee. It’s convenient for drivers and time for changing batteries is comparable with gas refuel. One imperfection of this solution is great weight of accumulator pack. It weights three-four hundred kilos and large car uses several packs.
Other approaches are using high performance energy storage technology with hybrid engine . One of alternative fuel is hydrogen. But the problem is the same as for accumulators [spin] and ultra capacitors – lack of infrastructure with hydrogen pressured tanks.

But today we can see a lot of hybrid [spin] car . It is car with auxiliary motor that works on alternative fuel like diesel, hydrogen or gas. Auxiliary motor provide additional power and performance when charge of batteries is low and driver can avoid necessary to find charging station. Also when carrier is in traffic jam it can use electric engine to drop pollution.

The essence of principle consists in the following: gas mover runs electric generator and required quantity of electricity pass through controlling system on electric car motor and vehicle starts propulsion. Hybrid car has also batteries but not so heavy as electric carrier has.
In traffic jam or during driving with low speed and motor workload electric car motor is working powered by electricity from accumulator batteries. Gas mover is not working and not consuming gas during this time. It doesn’t work during free running and long time breaking.

On highway or during huge motor workload gas engine is working only, generator linked with gas motor charge accumulator accumulators and electric motor is not working. When carriage should do critical maneuver like emergency overtaking or abrupt jerk two motors are launching. But the most time electric car parts are using – it allows save gas up to 25% comparing with conventional vehicle .

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