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Laser Gas-Analyser for Monitoring a Source of Gas Pollution
Engineering Education # 10, October 2015
DOI: 10.7463/1015.0813348
pp. 221-234
Magnetoelectric drive with transformer current leads for float gyroscopic devices
Engineering Education # 10, October 2012
DOI: 10.7463/1012.0466325
In the article the authors give a rationale for the selection of the magnetoelectric drive with transformer current leads. They created a mathematical model of electromagnetic processes in the drive with account of steady-state conditions. A vector diagram of voltages and currents showing their mutual relationships was constructed. From these equations the authors obtained analytical expressions of mechanical characteristic and of electromagnetic coefficient of efficiency. For these expressions a family of mechanical characteristics and coefficient of efficiency for different amplitude values ​​and the initial phase of the input voltage was constructed. The authors analyzed the characteristics and drew conclusions.
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