The high-voltage three-phase induction electric motors. The basic construction design is IM1001. The shaft heights are 355 mm, 400 mm, 450 mm. The degree of protection is IP23.
    The stator winding is two-layer coil winding, the conductor is copper of rectangular section. Squirrel-cage rotor is of cast (A355) and welded (A400 and A450) aluminum. The body is a welded steel structure. Bearing shields are gray iron.
    The insulation is achieved with high-quality micaceous materials with thermosetting binders.
    Operating voltage is 6000V. Heat resistance is of F(B) class.
The mark of electric motor | A355Y4 |
Power, kWt | 400 |
Rotational speed (sync), rpm | 1500 |
Rotational speed, rpm | 1485 |
Efficiency, % | 94,2 |
cos φ | 0,86 |
Weight, kg | 1595 |
Quantity of poles | 4 |
l1 | l10 | l11 | l12 | l30 | l31 | b1 | b10 | b11 | b12 | b30 | b31 | h | h1 | h5 | h30 | d1 | d10 |
170 | 800 | 1055 | 260 | 1485 | 254 | 25 | 610 | 775 | 145 | 805 | 620 | 355 | 27 | 95 | 755 | 90 | 28 |