Braking, Electric

Braking, Electric

 

deceleration or complete cessation of the translational or rotary motion of machines, vehicles, or moving parts, achieved by converting the machine’s kinetic or potential energy into electric energy or by switching the windings of the actuating electric motor in such a way that the direction of the tractive force is reversed. In electric braking, the electric motor’s direction of rotation remains the same as during normal operation, but the electric torque acting on the armature or rotor has an opposite direction. There are several distinct types of electric braking: rheostatic, regenerative, reverse-current, and combined, such as regenerative-rheostatic, braking.

Electric braking is used in transportation in electric locomotives, streetcars, and trolleybuses; it also finds application in hoisting and conveying machines that use traction motors. The use of electric braking reduces brake-shoe wear in mechanical brakes; under certain circumstances, for example, when used on railroad main lines in mountainous sections, it yields a substantial saving of electric power.

REFERENCES

Trakhtman, L. M. Elektricheskoe tormozhenie elektropodvizhnogo sostava. Moscow, 1965.
Chilikin, M. G. Obshchii kurs elektroprivoda, 5th ed. Moscow, 1971.

G. M. VOTCHITSEV

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At entry level the kit includes ABS braking, electric front windows, six airbags, central locking, a four-speaker sound system with CD and MP3 and a jack input for iPods.
Entry-level specification includes ABS braking, electric front windows, six airbags, central locking, fourspeaker sound system with CD+MP3 and jack input to plug in iPods plus a 12-volt socket.
Highlights of the kit list include semi automatic climate control, ABS braking, electric glass sunroof, distinctive 17-inch alloys, electric windows all round, CD player, electrically heated and adjustable door mirrors, front fogs, remote central locking and four airbags.
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Double cabs combine the advantages of a passenger-carrying 4x4 with ABS braking, electric windows and air conditioning as found in a Mitsubishi's Shogun with the ruggedness and load carrying ability of a conventional 4-wheel-drive, single cab pick-up loved by farmers.
Additionally, these varistors are ideal in suppressing transients in hybrid vehicle applications such as regenerative braking, electric drive and engine start/stop transition circuitry.
Specification levels are badged 1, 2 and 3 with generous kit levels which include at entry level ABS braking, electric front windows, six airbags, central locking, 4-speaker sound system with CD+MP3 and jack input to plug in iPods plus a 12-volt socket.
4 petrol engine, the Quicksilver now has ABS braking, electric heated door mirrors and a 'visibility pack' which includes dark sensing automatic headlamps, rain sensing automatic wipers and heat reflective windscreen as standard for pounds 10,745.