Characteristics of Electric Motor
An Influence of Operating Medium Temperature Change on Characteristics of Electric Motor for Borehole Investigating Devices
FREE-DOWNLOAD S Gecys – Electronics and Electrical Engineering. ISSN
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