Variable Speed Drive

Since the variator keeps the engine turning at continuous RPMs over a wide range of automobile speeds, turning the throttle grip can make the moped move faster but doesn’t change the sound from the engine just as much as a conventional two speed or one rate. This confuses some riders and prospective customers to a mistaken impression of too little power.

We can also create fully parameterised drive systems on request. For this, we load a data record that you provide in to the frequency inverter after completion of the typical tests.
Variomatic transmissions use centrifigual weights to diminish the engine’s gear ratio as engine speed increases. This enables the variator to keep the engine within its ideal efficiency while gaining surface speed, or trading quickness for hill climbing. Performance in this case can be fuel effectiveness, decreasing fuel usage and emissions result, or power efficiency, permitting the engine to create its maximum power over a wide range of speeds.

We supply our Digital Variable Speed Drives prepared for installation with all of the required options. The drive is already parameterised to the particular type of electric motor. You only need to make adjustments such as the ramp time, minimum/maximum frequency or limitations to the direction of rotation.

Variable Speed V-Belt Drives are suitable for all of our geared electric motor types. Do you want to find out more about our range of geared motors?
As well as Variable Speed V-Belt Drives, you can now also obtain Electronic Variable Speed Drives, which consist of a frequency inverter from the SK200E and SK180E series, an IE2 or IE3 efficiency class asynchronous motor, and a NORD gear unit.

We’ve summarised the bottom lines concerning Variable Speed Drive on our website.

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