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  2. Performance and modelling of AC transmission - Wikipedia

    en.wikipedia.org/wiki/Performance_and_modelling...

    Approximated model for Short Transmission Line Phasor diagram of short transmission line. The transmission lines which have a length less than 60 km are generally referred to as short transmission lines. For its short length, parameters like electrical resistance, impedance and inductance of these short lines are assumed to be lumped.

  3. Shift time - Wikipedia

    en.wikipedia.org/wiki/Shift_time

    The average manual car driver takes between 500 ms and 1 s to perform vertical gear changes (i.e. 1st-2nd, 3rd-4th, 5th-6th) and 1 - 2 s to perform horizontal gear changes (i.e. 2nd-3rd, 4th-5th). Shift time is also dependent on gear throws (distance between gears), ease of movement, ergonomics of the gear stick , and gearbox condition.

  4. Manual transmission - Wikipedia

    en.wikipedia.org/wiki/Manual_transmission

    A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually ...

  5. Close-ratio transmission - Wikipedia

    en.wikipedia.org/wiki/Close-ratio_transmission

    A close-ratio transmission is one which is described relative to another transmission for the same vehicle model. The relativity applies only for the transmissions offered for a single make and model; that is, there is no specific threshold value or accepted industry standard that determines whether the steps between gears constitute a normal or close-ratio transmission.

  6. Per-unit system - Wikipedia

    en.wikipedia.org/wiki/Per-unit_system

    As an example of how per-unit is used, consider a three-phase power transmission system that deals with powers of the order of 500 MW and uses a nominal voltage of 138 kV for transmission. We arbitrarily select S b a s e = 500 M V A {\displaystyle S_{\mathrm {base} }=500\,\mathrm {MVA} } , and use the nominal voltage 138 kV as the base voltage ...

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  8. ZF S6-53 transmission - Wikipedia

    en.wikipedia.org/wiki/ZF_S6-53_transmission

    The ZF S6-53 is a 6-speed manual transmission manufactured by ZF Friedrichshafen AG. It is designed for longitudinal engine applications, and is rated to handle up to 600 newton-metres (443 lbf⋅ft) of torque.

  9. Dog-leg gearbox - Wikipedia

    en.wikipedia.org/wiki/Dog-leg_gearbox

    A dog-leg gearbox or dogleg gearbox is a manual transmission shift pattern distinguished by an up-over-up shift between first and second gear. [1] The layout derives its name from a dog's hind leg, with its sharp angles. Dog leg gearboxes were replaced in most mass production vehicles by transmissions with a standard gear layout.