METHOD AND DEVICE FOR DETECTING WINDING SHORT CIRCUITS AND ELECTRIC MACHINE

METHOD AND DEVICE FOR DETECTING WINDING SHORT CIRCUITS AND ELECTRIC MACHINE

An apparatus for detecting interturn faults inside a rotor winding of a rotating electrical machine with a measuring device. The measuring device has at least two measuring coils oriented differently in space such that, in the case of a measuring device oriented with respect to the rotor winding, a...

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Hauptverfasser: STAUBACH, Christian, MERTE, Ralf
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator STAUBACH, Christian
MERTE, Ralf
description An apparatus for detecting interturn faults inside a rotor winding of a rotating electrical machine with a measuring device. The measuring device has at least two measuring coils oriented differently in space such that, in the case of a measuring device oriented with respect to the rotor winding, a voltage is induced inside the first measuring coil by a first directional component of the magnetic flux density B of the rotating electrical machine and a different voltage is induced inside the further measuring coil by a further directional component of this magnetic flux density B, which directional component differs from the first directional component. The at least two measuring coils oriented differently in space are arranged together on a head part of the measuring device, where interturn faults present on the rotor winding are detected based on temporal voltage profiles of the voltages induced in the two measuring coils.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title METHOD AND DEVICE FOR DETECTING WINDING SHORT CIRCUITS AND ELECTRIC MACHINE
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