Electric motor two-speed AST200, for starting gas turbines. AST200M2 / 4V5 two-speed asynchronous motor is intended for installation as a part of mechanisms on sea vessels of unlimited navigation area as a starter for starting gas turbines with a flywheel moment, reduced to the motor shaft up to 46 kgm2, and can also be used to start gas turbine engines as part of gas compressor units. Mounting version IM1001, IM3001, IM3011. Main technical data of the engine:
Rated voltage, V
220
380
Current frequency, Hz
50
50
Current type
3~
3~
Rotation frequency, rpm.
3000/1500
3000/1500
Initial starting current, A, no more
260
150
Current when switching from lower to higher rotational speed, A, no more
535
310
Initial starting torque, Nm
175
175
Torque when shifting from less at high speed, Nm, not less