FIELD: electricity.
SUBSTANCE: downhole electric generator contains fixing unit, rotor with hydraulic turbine impeller installed in the top part of electric generator, and permanent magnets installed in it, stator, in which excitation winding is installed. At that in bottom part of electric generator on rotor the second impeller of hydraulic turbine is installed. Nozzle block of hydraulic turbine is arranged inside fixing unit. Fixing unit is located in stator middle part.
EFFECT: increase of generator power with reduction of diametrical dimensions and weight of generator.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
RU2333352C1 |
