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Regenerative braking

Uncontrolled line side diode bridge rectifier. When a variable d.c. is required, it can be replaced by thyristors. Mechanical braking or non-regenerative braking-. [Pg.114]

Regenerative braking If the motor be run beyond synchronous speed by some external means it will work as a generator and feed back useful energy to the supply system. It will draw only the necessary excitation current, / , for the generator action from the source of supply. In such a condition, the motor... [Pg.155]

The Peugeot Quark ATV uses an air-cooled fuel cell with a 40 cell nickel metal hydride battery. The 9 liter hydrogen tank can be pressurized to 10,150 psi for a range of up to 80 miles. The tank is designed to be exchanged for a full one when empty. Each 17 inch wheel has its own electric motor that can produce 74 pound-feet of torque. The motors also supply regenerative braking. [Pg.180]

Ford s Think NEV came in two and four passenger models with a range of 30 miles. It had a 72 volt battery with a 5,000 watt DC motor. The charging time was 4 to 8 hours and it had regenerative braking with hydraulic drum brakes. The price range was 8,000 to 10,000. [Pg.259]

India s Reva EV can travel at about 35 mph. The power system is eight 6-volt EV type lead add batteries. The dent-proof body panels are made of high impad ABS (acrylonitrile butadiene styrene). It has side impact beams and electronic regenerative braking. The suspension is McPherson struts in front and coil springs in the rear. It is a two-door hatchback that... [Pg.259]

Chicago/Vancouver Demo 1 st fleet demonstration program 205 kW Ballard fuel cell engine with regenerative braking. [Pg.42]

Fig. 13.32. Series fuel cell-battery hybrid power train model. The two-way energy flow between the drive motor and electric bus indicates the potential for regenerative braking. (Reprinted with permission from Research and Development of Proton-Exchange-Membrane (PEM) Fuel Cell System for Transportation Applications, Phase I. Final Report, prepared for the U.S. Dept, of Energy by General Motors, 1996, Fig. 3.5.2.1.)... Fig. 13.32. Series fuel cell-battery hybrid power train model. The two-way energy flow between the drive motor and electric bus indicates the potential for regenerative braking. (Reprinted with permission from Research and Development of Proton-Exchange-Membrane (PEM) Fuel Cell System for Transportation Applications, Phase I. Final Report, prepared for the U.S. Dept, of Energy by General Motors, 1996, Fig. 3.5.2.1.)...
There are 4-quadrant and 2-quadrant converters. 4-quadrant converters have two controlled rectifier bridges, one of which serves to operate the drive mode while the other operates the generating mode. Since no great moments of inertia arise in extruder operation, there are no great moments of inertia that would cause regenerative braking, only 2-quadrant converters... [Pg.321]

Adjustable Roil The dancer rolls, canvas drag brakes, various pony brakes, and pneumatically operated brakes are manual adjustment systems. The most expensive would be the regenerative drive systems. The transducer rolls and dancer rolls would be a close second. These systems are usually required in high web speed applications where accurate tension control of expensive and/or sensitive material is paramount. With roll windup systems different roll or reel-change systems are used to keep the lines running at their constant high speeds. [Pg.562]

FIGURE 6.34 Regenerative pump performance when handling water and oil. (Aurora Pump Division, The New York Air Brake Co.)... [Pg.231]


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