Publication

Digital transient torque measurement for rotating or linear AC machines (real time measurement)

Jean-Jacques Simond, Mai Tu Xuan
1995
Conference Papers

Abstract

The digital transient torque measuring device presented in this paper is able to make a "real time" calculation in steady-state and transient conditions of the electromagnetic torque or force of an extremely wide range of ac electrical machines supplied with sinusoidal voltages or through frequency converters with frequencies up to 30 kHz. The device needs no shaft position or speed sensors, it uses exclusively the acquisition of the stator currents and voltages. The main fields of applications are: test shop, control, measurement, integration in a control or regulation unit, element of a monitoring system.

Official source

https://infoscience.epfl.ch/entities/publication/bb6eb91e-af99-4a07-bad1-e5c4c7edce1e

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Jean-Jacques Simond, Mai Tu Xuan
1995
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/bb6eb91e-af99-4a07-bad1-e5c4c7edce1e

About this result

Related concepts (32)

Electric machine

In electrical engineering, electric machine is a general term for machines using electromagnetic forces, such as electric motors, electric generators, and others. They are electromechanical energy converters: an electric motor converts electricity to mechanical power while an electric generator converts mechanical power to electricity. The moving parts in a machine can be rotating (rotating machines) or linear (linear machines).

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight.

AC motor

An AC motor is an electric motor driven by an alternating current (AC). The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field may be produced by permanent magnets, reluctance saliency, or DC or AC electrical windings.

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Digital transient torque measurement for rotating or linear AC machines (real time measurement)

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