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Brushless DC motors with DC drive

 


          Brushless DC motors with DC drive
 

   

 

 

 

Brushless DC Motors are designed with NdFeB magnets to have high power and torque density, and small size structure. It is good for EV, Electric Vehicle and battery power applications. High efficiency, wide speed range, low EMI and no brush maintenance are Brushless Motor benefits.

   
 
1.

Energy efficiency motor adopts the high magnetic energy permanent magnet to have high power and torque density, and small size structure.

2. Innovating structure to have high torque performance.
3.

Electrical commutation can perform low noise, low EMI and no brush maintenance.

4.

Lower rotor inertia and good heat dissipation, windings of Brushless DC motors are in the stator. In a brush-type motor, the winding is in the rotor.

5. Power and torque density are much higher than the conventional motors.
6. Without mechanical commutation, motor speed can be over 10,000 rpm.
7.

The innovating structure has an excellent feature in energy saving during heavy-load operation, and high torque at low speed driving. The high efficiency range is much wider than conventional motors.

8. The drive adopts the full functions for vehicle needs. Ex. Battery low voltage protection, alarms, safety switch, FWD/REV, run/stop,….

 

  [ Brushless DC Motors VS. Induction Motor Vs. Brush Motor ]
 
Topic Brushless DC  Motors Induction Motor DC Brush Motor
Compact Size, Light Weight X
Low Rotor Inertia,
High Speed Rotation
X
No Rotor Copper Lose X
High Efficiency
Heat Dissipation X
No Carbon & Electric Flash X
Low Speed Torque X
No Brush maintenance X
Over Load Capability X
Excellent         Acceptable     X   Poor        
 
 
[ Driver Functions ] [ Driver protections ]
  • Re-Generated braking
  • Speed control / torque control
  • Buzzer signals
  • Key switch
  • Safety switch
  • Forward / Reverse
  • Fault LED
  • Over current protection
  • Motor over heat protection
  • Low voltage protection
  • Stall protection
  • Driver over heat protection
  • Motor phase to phase short circuit protection
  • Accelerator initial detection
   
   Specification
 

Model No.

BM-180

BM-250

BM-370

BM-600A

BM-600B

BM-600C

Voltage

VDC

24

36

24

48

48

48

Rate Torque

Kg-cm

9

97

12

6.8

7.6

9.3

Rate Power

W

180

250

370

600

600

600

Rate Speed

RPM

1950

250

3000

8600

7700

6300

Rate Current

A

9

8.7

18

18

18

16

Max. Torque

Kg-cm

22

250

40

52

60

70

Max. Power

W

270

350

550

2400

2400

2400

Max. Speed

RPM

2500

310

3500

9000

8000

7000

Max. Current

A

22

15

48

85

85

85

Motor Dimension

1

2

3

4

4

4

Driver Dimension

A

B

A

C

C

C

   

Model No.

BM-600X

BM-1000

BM-1500

BM-2200

BM-3700

Voltage

VDC

48

48

48

48

48

Rate Torque

Kg-cm

20.3

32.48

48.73

73.2

118

Rate Power

W

1000

1000

1500

2200

3700

Rate Speed

RPM

4800

3000

3000

3000

3000

Rate Current

A

24

26

39

57

96

Max. Torque

Kg-cm

120

100

115

145

200

Max. Power

W

3700

2200

2500

2900

4300

Max. Speed

RPM

2700

4000

4000

4500

400

Max. Current

A

140

95

110

140

190

Motor Dimension

5

6

6

7

8

Driver Dimension

D

E

 


Note: The driver functions and protections are varied in different models.

 

   Motor Dimension
      [ FIG-1 ]   
 

 

   

    [ FIG-2 ]   

 


   

    [ FIG-3 ]   

 


 
 
 
 

 

 

Unit: mm

 
Fig G1 G2 H1 H2 K1 K2 T1 T2 ØA ØB ØS E AC LA LB L
Fig 4 23 48 67 51 54.5 54.5 72 51 115 48 7 12.5 159 26 145 171.6
Fig 5 160 186.6

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Unit: mm

 
Fig P ØM ØS ØN T LA LB L AC AD AE LD Output Shaft End
ED Q E ØD GA F
Fig 6 175 165 12 130 3.5 13 222 275 142 201.5 179 31 45 53 53 24 27 8
Fig 7 239 292 48
Fig 8 259 312 68

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   Driver Dimensions
      [ FIG-A ]   
 

 

   

    [ FIG-B ]   

 


   

    [ FIG-C ]   

 


   

    [ FIG-D ]   

 


   

    [ FIG-E ]   

 



 

   
   
   
   
   
 

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