Porsche focusing on deployment of plug-in hybrid technology

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“Porsche is focusing on the deployment of plug-in hybrid technology in production,” according to Wolfgang Hatz, Member of the Executive Board - Research and Development, Dr. Ing. h.c. F. Porsche AG. Hatz made the announcement at this year’s Vienna Motor Symposium.
Porsche began taking orders for the 918 Spyder plug-in hybrid drive super sports car in March 2011, even as production development proceeded; first customer cars begin arriving in the United States near the end of 2013. (Earlier post.)
In addition, Hatz underscored the expansion of electrification in hybrid models and the optimization of the conventional combustion engine will play a major role in future drive system developments.

With the Panamera and the Cayenne, Porsche has already successfully launched two hybrid models on the market. The sales figures for the Porsche Cayenne S Hybrid for 2011 are more than twice as high as the figures of all our competitors combined in this market segment.

—Wolfgang Hatz

Porsche is developing more solutions to get even greater efficiency and performance from the synergy effects of combustion engine and electric motor, Hatz said. Furthermore, he added, the potential of conventional combustion engines is far from being exhausted.
That's why, for Porsche, the combustion engine will continue to play a vital role for the drive system of sports cars in the foreseeable future.

—Wolfgang Hatz

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Chrysler Group launches second phase of PHEV minivan project

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Three plug-in hybrid-electric Chrysler Town & Country minivans (earlier post) went into service with the Sacramento Municipal Utility District (SMUD), bringing to 25 the total number of such vehicles on US roads. With this completion of the demonstration fleet’s deployment, the second, data-collection phase of Chrysler Group LLC’s plug-in hybrid minivan project now begins.

Components of the flex-fuel PHEV minivan. Click to enlarge.

The focus shifts from engineering design and development to real-world testing and evaluation, said Abdullah Bazzi, senior manager of Chrysler Group’s advanced hybrid vehicle project. The plug-in hybrids will be subjected to temperature extremes and variations of drive cycles. Other deployments are in Arizona, North Carolina and Michigan.
Two additional plug-in hybrid minivans will be retained by Chrysler Group engineers. One of those vehicles will be subject to a short-duration test by Argonne National Laboratory.
The two-year project stems from a Chrysler Group’s partnership with the US Department of Energy (DOE). The DOE has invested $10 million to further the research.
Each plug-in hybrid Town & Country is equipped with an E85-compatible 3.6L Pentastar engine mated to a front-wheel-drive, two-mode hybrid transmission. It also is powered by a liquid-cooled 12.1 kWh lithium-ion battery supplied by Electrovaya. Total system output is 290 hp (216 kW) and total range is 700 miles (1,127 km).
The minivans have an electric drive range in the city of 22 miles, and charge depleting fuel economy (city) of 53 mpg US (4.43 l/100 km). Charge times are two-to-four hours at 220 volts with a Level 2 charge cord unit, and eight-to-15 hours at 110 volts with a Level 1 charge unit.
A fleet of plug-in hybrid Ram pickups also is being evaluated as part of a wider project. Chrysler Group dominates the minivan market, selling 13.4 million units globally since inventing the segment in 1983.



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PHEV conversion company HPEV shipping sub-assembles and components for Ford F-350 class 3 truck

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HPEV, Inc., a plug-in hybrid conversion company, says it ia delivering sub-assemblies and components for commercializing its parallel hybrid conversion system on a Ford 350 class 3 truck. Final assembly will begin shortly with a target date for completion of the introductory unit at the end of the third calendar quarter.

The HPEV system uses lead acid batteries to power an electric motor drive which in turn powers a traction motor attached to the rear axle of a vehicle. The conversion process itself entails the change-out of the rear axle; the engine and transmission are untouched.

A traction motor containing HPEV heat pipe technology and a motor drive are attached to the frame and connected to the rear axle. Then the battery box is bolted on and filled with batteries to power the electric motor.

The cabling, sensors and controllers are connected. Two controls are mounted on the dash. One enables the driver to set the percentage of load assist from the electric motor (0-100%). A second control enables the driver to set the amount of regenerative braking required. Regenerative braking powers the heating, air conditioning and other accessories when your vehicle is running on electric power.

The estimated turnaround time for a hybrid plug in conversion is 80 person hours for cars and SUVs , longer for hybrid truck conversions and other commercial vehicles.

The conversion technology is scalable and the HPEV intends to establish vehicle platforms for Class 4 and 5 trucks concurrently.


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