answersLogoWhite

0


Best Answer

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.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

AnswerBot

6mo ago

A tachogenerator is a device that generates an electrical signal proportional to the speed of rotation of a shaft, while a tachometer is an instrument that measures the speed of rotation of a shaft. In essence, a tachogenerator produces the signal that a tachometer measures.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the difference between tachogenerator and tachometer?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Physics

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.


What are some sentences that contain the word tachometer?

The tachometer in my car measures the engine's revolutions per minute. The mechanic adjusted the tachometer to ensure the engine was running smoothly. The driver glanced at the tachometer to check if the engine was being pushed too hard.


Who invented the the tachometer?

The inventor is unknown for a tachometer. However, the first documented use of a tachometer device was by the German engineer Dietrich Uhlhorn in 1817. He is credited with its first use, but not necessary as being its inventor.


What is the relation between the path difference and phase difference?

The phase difference between two waves is directly proportional to the path difference between them. The phase difference is a measure of how much the wave has shifted along its oscillation cycle, while the path difference is a measure of the spatial separation between two points where the waves are evaluated.


How does optical tachometer works?

An optical tachometer works by using a light beam or sensor to detect the reflections off a rotating object. By measuring the frequency of the light reflections, the device can calculate the speed of the rotating object. The tachometer then provides a numerical readout of the rotational speed in revolutions per minute (RPM).

Related questions

What is the difference between theodolite and tachometer?

A theodolite is a survey instrument. A tachometer tells you how many Revs per minute an engine is turning.


What is the difference between an auto-meter and a tachometer?

A tachometer and an auto-meter is an instrument measuring the rotation speed of a car or a motor. An auto-meter is more accurate and reliable than a tachometer.


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


Why does a Vauxhall Cavalier tachometer show the wrong reading and get stuck sometimes?

A tachometer that shows the wrong reading and get stuck sometimes could be caused by faulty wiring between the transmission and tachometer. It could be caused by a defective instrument cluster.


How do you determine if a 97 Kia Sephia is RS LS or GS?

The easiest way I come up with is a little strange but there are very few differences between them. If it has a tachometer and a radio antenna then it a LS. If it has a tachometer and no antenna then its a GS. If it doesn't have a tachometer then it is a RS.


What is a tachogenerator in control system?

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


How do you install a tachometer on a 1991 mercury cougar?

Remove the instrument panel cover. Remove the tachometer retaining screws. Remove the tachometer cable from the back of the tachometer. Reverse the process to install the new tachometer.


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

Its a servo.


How do you measure the RPM of motor shaft?

you need a tachometer


Who invented tachogenerator?

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


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.


What is a difference between encoder and tachometer?

An encoder is a device, circuit, transducer, software program or person that converts information from one format or code to another. A tachometer is an instrument that measures the rotation speed of a shaft or disk, as in a motor or other machine. Most commonly this is the little rev counter on your car/truck that shows you the rate of rotation of the engine's crankshaft. Or in layman's terms, the RPM gauge. Hope this helps