Rotors and high-speed electric machines

About company
Our company profile is design, manufacture, maintenance service and repair of high-speed electric machines.

WELMA 10 electric generator

Вэлма 10

Electric generator is designed to work as part of the test stand. The generator is mounted on gearbox casing and connected to load unit of the stand and provides load of assembly under test according to the set program. Generator is a synchronous electric machine with excitation from high-coercivity permanent magnets.

Generator is cooled by air. Rotor supports are radial ball bearings. Bearing supports are cooled and lubricated with oil supplied from the oil system of the stand.

WELMA 10 main parameters and dimensions:

Rated power, kW 10
Rated output phase voltage, W 250
Rated current frequency, Hz 332
Number of phases 3
Electrical efficiency at rated power, min. 94%
Power factor cos φ 1
Rated rotor speed, rpm 19 900
Max. rotor speed, rpm 24 000
Max. overall dimensions(LxWxH), mm 360x197x223
Max. mass of electric generator, kg 18
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