Asynchronous motor
AC690 Vlarge

Asynchronous motor - VEM motors - AC / 690 V / large
Asynchronous motor - VEM motors - AC / 690 V / large
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Characteristics

Type
asynchronous, AC
Voltage
690 V
Configuration
large
Number of poles
multipole
Applications
for marine applications
Other characteristics
low-speed
Power

Min.: 500 kW
(679.81 hp)

Max.: 15,000 kW
(20,394.32 hp)

Rotational speed

Min.: 125 rpm
(785.3982 rad.min-1)

Max.: 1,800 rpm
(11,309.7336 rad.min-1)

Description

Large, low-speed asynchronous motors are becoming more and more common as a means of powering diesel-electric ships. These motors are designed for use with medium-voltage converters. But it will be also possible to have a design with 4 independent winding systems for LV inverter operation in the upper power range. Possible drive variants: - direct drive (DOL) - startup with a soft starter till maximum outputn - operation with a PMW converter, sometimes with multiple winding systems - combination of direct and regulated drive (tandem)

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