Characteristics of Electric Motor


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An Influence of Operating Medium Temperature Change on Characteristics of Electric Motor for Borehole Investigating Devices

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A borehole investigating device is used for geophysical investigations of the Earth Crust or sea
ground and prospecting works for oil, gas, ores, etc. The borehole depth reaches up to 10000
m or more and the induction motor is supplied through the long geophysical cable with




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