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EP0287852A2
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EP
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Process and arrangement for measuring the number of revolutions of an electric machine
Assignee: Siemens AG
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Filing: 1988-03-28
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Granted: —
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Expires: 2008-03-28
Abstract
Abstract The arrangement counts the revolutions of an electrical machine without the use of sensors by means of an electronic measuring and processing arrangement for values of voltage and/or current. In order to determine the number of revolutions, an evaluation is performed in the frequency range in which after suitable level adaptation the temporal variations in the voltages at the electrical terminals of the machine and/or in the currents flowing into the terminals, which the measuring arrangement determines, are converted. <IMAGE>
Inventors
- 👤 Gerhard Prof. Trenkler
- 👤 Hartmut Dr. Schollmeyer
- 👤 Thomas Dipl.-Ing. Nippert
- 👤 Reinhard Dr. Maier
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 06:10
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48
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