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The inventor is assumed to be the German engineer Dietrich Uhlhorn; he used it for measuring the speed of machines in 1817.

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What is tachogenerator?

TACHOGENERATOR IS USED TO CONVERT MECHANICAL ENERGY INTO ELECTRICAL ENERGY OR MORE SIMPLY CONVERT REVOLUTION OF THE SHAFT OF A GENERATOR TO A ANALOG VOLTAGE


What is the difference between tachogenerator and tachometer?

A tachogenerator is is an electric generator that generates a voltage that is accurately proportional to the speed of the shaft. Generating a voltage proportional to the speed is an inherent characteristic of all generators, but tachogenerators are specifically designed to provide an accurate signal over a specified range of load currents and operating temperatures. The output signal from a tachometer generator(tachogenerator) is often used to provide feedback to improve the regulation of an electric motor speed control. A tachometer is an instrument that measures and displays rotational speed. An electric tachometer combines the tachogenerator with a voltmeter that has the dial marked to show speed rather than voltage.


What is a tachogenerator in control system?

a device to measure rotation speed of a shaft as a proportional voltage


What is name of motor having 3phase winding single phase winding with permanent magnet and a tachogenerator?

Its a servo.


How does tachogenerator work?

A tachogenerator is a type of electromechanical device that generates an electrical signal proportional to the rotational speed of a shaft or motor. It typically consists of a rotor attached to the rotating shaft and a stator with coils that produce the electrical signal as the rotor spins. The generated signal can be used to measure and monitor the speed of the rotating machinery.


Would the accuracy of a d.c tachogenerator fall over time?

yes temperature drifts brushes are prone to wear the strength of the permanent magnets decrease with time


What is the principal of tachogenerator?

Tachogenerators are AC or DC generators that output a voltage in proportion to the rotational speed of a shaft on a rotating electrical machine (electric motor), and thus are used to measure the speed and direction of rotation.Most commonly found in fractional horsepower (FHP) applications they are often referred to as 'sensors', most electric motor manufacturers offer a tachogenerator on DC commutated (brushed/permanent magnet) motor types.


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