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Calculation of motor capacitances for prediction of the voltage across the bearings in machines of inverter-based drive systems
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Muetze, Annette and Binder, Andreas (2007) Calculation of motor capacitances for prediction of the voltage across the bearings in machines of inverter-based drive systems. IEEE Transactions on Industry Applications, Vol.43 (No.3). pp. 665-672. doi:10.1109/TIA.2007.895734 ISSN 0093-9994.
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Official URL: http://dx.doi.org/10.1109/TIA.2007.895734
Abstract
The occurrence of high-frequency discharge bearing currents (also called '' electric discharge machining (EDM) currents '') that can occur in machines of inverter-based drive systems depends strongly on the value of the capacitive voltage divider '' bearing voltage ratio '' (BVR) of the machine. This paper presents a straightforward approach to calculate the involved motor capacitances in order to predict the voltage across the bearing and, thereby, the likeliness of such EDNI currents that are caused by this voltage to occur. The approach is based on the design parameters of the machine and does not involve additional measurements. It combines ease of application and satisfying accurateness, and allows prediction of the risk of endangerment of an inverter-based drive system due to discharge bearing currents.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | IEEE Transactions on Industry Applications | ||||
Publisher: | IEEE | ||||
ISSN: | 0093-9994 | ||||
Official Date: | May 2007 | ||||
Dates: |
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Volume: | Vol.43 | ||||
Number: | No.3 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 665-672 | ||||
DOI: | 10.1109/TIA.2007.895734 | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Title of Event: | 5th IEEE International Electric Machines and Drives Conference | ||||
Type of Event: | Conference | ||||
Location of Event: | San Antonio, TX | ||||
Date(s) of Event: | May 15-18, 2005 |
Data sourced from Thomson Reuters' Web of Knowledge
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