Calculation of circulating bearing currents in machines of inverter-based drive systems

Annette Mütze; Andreas Binder

doi:10.1109/TIE.2007.892001

Calculation of circulating bearing currents in machines of inverter-based drive systems

Research output: Contribution to journal › Article › peer-review

Abstract

The high-frequency circulating bearing current that may occur in machines of inverter-based drive systems can be described by an eddy-current model. The parameters of an equivalent circuit are derived from the model. The ratio between bearing current and common-mode current amplitudes for different machines is calculated. The theoretical maximum ratio is about 0.35. Copper loops applied for bearing current measurement may decrease the circulating bearing currents up to almost 40%

Original language	English
Pages (from-to)	932-938
Journal	IEEE Transactions on Industrial Electronics
Volume	54
Issue number	2
DOIs	https://doi.org/10.1109/TIE.2007.892001
Publication status	Published - 2007
Externally published	Yes

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10.1109/TIE.2007.892001

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title = "Calculation of circulating bearing currents in machines of inverter-based drive systems",

abstract = "The high-frequency circulating bearing current that may occur in machines of inverter-based drive systems can be described by an eddy-current model. The parameters of an equivalent circuit are derived from the model. The ratio between bearing current and common-mode current amplitudes for different machines is calculated. The theoretical maximum ratio is about 0.35. Copper loops applied for bearing current measurement may decrease the circulating bearing currents up to almost 40%",

author = "Annette M{\"u}tze and Andreas Binder",

year = "2007",

doi = "10.1109/TIE.2007.892001",

language = "English",

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AU - Mütze, Annette

AU - Binder, Andreas

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AB - The high-frequency circulating bearing current that may occur in machines of inverter-based drive systems can be described by an eddy-current model. The parameters of an equivalent circuit are derived from the model. The ratio between bearing current and common-mode current amplitudes for different machines is calculated. The theoretical maximum ratio is about 0.35. Copper loops applied for bearing current measurement may decrease the circulating bearing currents up to almost 40%

U2 - 10.1109/TIE.2007.892001

DO - 10.1109/TIE.2007.892001

M3 - Article

VL - 54

SP - 932

EP - 938

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 2

ER -

Calculation of circulating bearing currents in machines of inverter-based drive systems

Abstract

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