Alternators

Alternators (passenger)

The role of the alternator is to provide continual charge to the battery whilst engine is running. This supply of power prevents the battery from discharge, and provides the requested power to the car’s electrical devices. The alternator is connected and powered by the crankshaft through a drive belt. When the engine is running, the drive belt rotates the alternator, which converts the kinetic energy into electrical current. The general principle is to transform the movement initiated by the flywheel into electricity. The reliability, the safety and the best quality of new products are driven by constant innovation and strong testing criteria. Thanks to its strong O.E. presence, Valeo is able to provide alternators for the latest car applications in a short time to market. The new units range consists of the finest possible products thanks to Valeo O.E. demanding testing standards.

Current and voltage measurement, electrical load and cycling tests are run for up to 1,000 hours In addition, the machines are submitted to extreme conditions tests such as salt spray, thermal shocks and vibrations until destruction to meets the highest requirements. Valeo is driving innovation with over a hundred years experience in rotating machines, from the 1912’s Dynastar to the 2013’s micro hybrid solution i-StARS®.

Valeo answers all markets needs and technological evolution, demonstrating a strong historical leadership in O.E.: single phase alternator, water cool based technology to latest generation of alternators requiring efficiency and comfort, like EG alternator. Valeo leads the way towards the best alternators technologies: continuous power and efficiency improvement within a compact design. The EG (« Efficient Generation ») alternator uses specific modules which are 10 points more efficient than conventional diodes and thus constitutes breakthrough technology.

 

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