2010 Porsche Cayenne S Hybrid – Using A Parallel Full Hybrid System

March 4, 2009 by admin  
Filed under Hybrid Cars, New Car Review, Porsche, SUV

2010 Porsche Cayenne S Hybrid   Using A Parallel Full Hybrid System pictures

2010 Porsche Cayenne S Hybrid   Using A Parallel Full Hybrid System pictures2010 Porsche Cayenne car. The German automaker Porsche for instance revealed a bunch of details for its fairly anonymous the 2010 Porsche Cayenne Hybrid S model, a topnotch vehicle expected to provide astonishing engine performance while remaining focused on CO2 emissions and fuel consumption. Using  a full hybrid system, with an electric motor capable of getting the vehicle up to 86 mph (138 km/h) without using the combustion engine at all. Porsche claims this lets the vehicle coast as most highway speeds on battery power only, helping to cut down on emissions and increase fuel economy.

This engineering achievement allows the Cayenne S Hybrid to coast at highway speeds without the gasoline engine on, greatly minimizing emissions and fuel consumption. This differs from current hybrids that deliver benefits mainly in city traffic. Porsche, in cooperation with Volkswagen, opted for a parallel full hybrid as it also significantly improves acceleration, a concept that matches the company’s philosophy of combining performance and efficiency. It also fits in the 2010 Porsche Cayenne car with minimal alterations, without affecting interior or luggage space.

Despite its high-performance aspiration, covering a 0-to-100 km/h sprint in just 6.8 seconds, the 2010 Porsche Cayenne car Hybrid S model will have 20 percent less CO2 emissions than its gasoline counterpart — good enough to qualify it as an ULEV II. Porsche hasn’t released official fuel economy figures for the Cayenne Hybrid S yet, but early reports suggest the SUV could hit 32 mpg on the highway — 10 mpg better than the V6-powered Cayenne.

2010 Porsche Cayenne S Hybrid   Using A Parallel Full Hybrid System pictures The 2010 Porsche Cayenne car Hybrid S model uses a supercharged Audi 3.0-litre V6 engine with Direct Fuel Injection (DFI), 333 horsepower and 324 lb-ft of torque. It is mated with a 52-hp three-phase electric motor that produces up to 221 lb-ft of torque and also acts as an alternator. The combined power units are joined to an eight-speed automatic transmission. Also on board is a no-maintenance, 38-kW nickel metal hydride (NiMH) battery that fits in the spare tire well.

The heart of these technologies is the powerful Hybrid Manager, which juggles some 20,000 data parameters. Since a parallel full hybrid operates in three classic hybrid modes – power generated by the combustion engine and electric motor, power generated by the combustion engine only, and power generated by the electric motor only – the Hybrid Manager coordinates these modes to deliver optimal performance and efficiency.

With a clutch being the key connection between the combustion engine and the electric motor, the Hybrid Manager has the tough job of providing smooth but quick switching among the three hybrid modes without delay or a noticeable transition felt by the driver and passengers. For example, the 2010 Porsche Cayenne car Hybrid S model will be capable of traveling up to 1.9 km on electric power alone, and the Hybrid Manager will fire up the engine as soon as the driver presses the accelerator, increase engine speed appropriately and engage the clutch to transfer power to the transmission without the driver or passengers noticing what is happening. All within 300 milliseconds.

2010 Porsche Cayenne S Hybrid   Using A Parallel Full Hybrid System pictures

When driving with just the combustion engine, the Hybrid Manager also will ensure the engine is operating as efficiently as possible. It switches the electric motor to an alternator mode, so the fuel consumed by the combustion engine not only powers the Cayenne but also generates electricity that can be “parked” in the battery. Finally, when the driver presses the brake, the Hybrid Manager feeds as much energy as possible from the electric motor (again running as an alternator) to the battery.

The 2010 Porsche Cayenne car Hybrid S model uses an eight-speed automatic. Porsche engineers added to the conventional transmission oil pump a new electrical drive pump to shift gears smoothly and efficiently in electric mode. Top speed comes in sixth gear, while the two higher gears serve to further reduce engine speed to enhance fuel economy. It also has electrically-driven ancillary components such as the air conditioning compressor and the power steering pump.

Porsche expects the 2010 Porsche Cayenne car Hybrid S model to consume less than 9 L/100 km in the New European Driving Cycle. Transport Canada fuel economy figures are not yet available.

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Comments

One Response to “2010 Porsche Cayenne S Hybrid – Using A Parallel Full Hybrid System”
  1. GarykPatton says:

    Hi. I like the way you write. Will you post some more articles?

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