Synchronous / BLDC

Slotted version
• slotted lamination
• permanent magent rotor
• different lamination and magnet materials
  (Neodym, SmCo) available

Air gap winding
• plastic coil carrier
• permanent magnet rotor
• different lamination and magnet materials
  (Neodym, SmCo) available


¡¡
Difference between slotted and air gap winded DC-motors
  DC slotted DC air gap winding
Manufacturing expense +  
Power density + +
Efficiency + + (++ at high speed)
Cos phi + (0,9 - 0,95) + (0,9 - 0,95)
Max. shaft diameter + ++
Reduced cogging torque   +

¡¡
Geometrical data
Type D1 D2 D5 W1 W2 L1 LA IC d3 d4 L2 integr.
MBI
armou-
ring
magn.
mat.
magn.-
height
magn.
air gap.
21,5A27.2 21,5 11,3 19 8,5 5 27 100 B 4 H7 10,8 25 no no SE 3,4 2,6
54A50.2 54,3 30,8 54,3 14 17 50 100 B 15 H8 30 50 no yes SE 6,75 7,25
37A30.2 37 19,5 35 11 13 30 100 B 5 18,5 30 no no SE 6,75 4,75
34A20.2 34 17,6 32 12 10 20 100 B 5 17 20 no no SE 6 4
34A30.2 34 17,6 32 12 10 30 100 B 5 17 30 no no SE 6 4

IC = isolation class
MBI =  magnetic back iron

Power data
Type S1
(VA)
P2 + VR
(W)
S1
(VA)
P2 + VR
(W)
S1
(VA)
P2 + VR
(W)
S1
(VA)
P2 + VR
(W)
Without
Cooling
Air
Cooling
Water
Cooling
21,5A27.2 53 37 130 109     188 160 x x  
54A50.2 426 355 1100 900 1500 1200         x
37A30.2 266 206 555 495     844 761 x x  
34A20.2 115 86 291 253     408 364 x x  
34A30.2 175 138 437 389     648 586 x x  

Duty cycle: exiter field: sinus / triggering: 120¡Æ block / 3-phase / bipolar / field angle: 90¡Æ
Remark to DC 54A50.2: remanence of the manget is 0,6 T