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2. Turbocharger - Wikipedia

   en.wikipedia.org/wiki/Turbocharger

   Using a turbocharger spool valve to increase exhaust gas flow speed to the (twin-scroll) turbine; Using a butterfly valve to force exhaust gas through a smaller passage in the turbo inlet; Electric turbochargers [52] and hybrid turbochargers. A similar phenomenon that is often mistaken for turbo lag is the boost threshold. This is where the ...

3. Electrically assisted turbocharger - Wikipedia

   en.wikipedia.org/wiki/Electrically_assisted...

   The 1.9 kWh battery generates 11 kW of electrical power, and is situated directly between the turbine wheel and the engine's compressor. The electric motor working with the transmission allows the turbocharger to spool up almost instantly, and boost pressure builds within a very short time while simultaneously reducing turbo lag.

4. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.

5. Twin-turbo - Wikipedia

   en.wikipedia.org/wiki/Twin-turbo

   In an internal combustion engine, twin-turbo is a layout in which two turbochargers are used to compress the intake fuel/air mixture (or intake air, in the case of a direct-injection engine). The most common layout features two identical or mirrored turbochargers in parallel, each processing half of a V engine 's produced exhaust through ...

6. Range extender - Wikipedia

   en.wikipedia.org/wiki/Range_extender

   A prototype AC Propulsion tzero electric car with an external range-extender or genset trailer, 1999. A range extender is a fuel-based auxiliary power unit (APU) that extends the range of a battery electric vehicle by driving an electric generator that charges the vehicle's battery.

7. Backup battery - Wikipedia

   en.wikipedia.org/wiki/Backup_battery

   A valve-regulated lead-acid battery is a battery type that is popular in telecommunications network environments as a reliable backup power source. VRLA batteries are used in the outside plant at locations such as Controlled Environmental Vaults (CEVs), Electronic Equipment Enclosures (EEEs), and huts, and in uncontrolled structures such as ...