All Brake Resistors & Brake Units Used In Ac Motor Drives - Delta VFD-VL Series User Manual

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Appendix B Accessories|
B.1 All Brake Resistors & Brake Units Used in AC Motor Drives
Applicable
Motor
Brake
Unit
HP kW
VFDB
Motor Drive
7.5 5.5 - 1000W 20Ω
10 7.5 - 1500W 13Ω
15 11 - 1500W 13Ω
20 15 - 2000W 8.6Ω BR1K0W4P3*2
25 18 - 2400W 7.8Ω BR1K2W3P9*2
30 22 - 3000W 6.6Ω BR1K5W3P3*2
40 30 2015*2 4000W 5.1Ω BR1K0W5P1*2
50 37 2022*2 4800W 3.9Ω BR1K2W3P9*2
Applicable
Motor
Brake
Unit
HP kW
VFDB
Motor Drive
7.5 5.5 - 1000W 75Ω
10 7.5 - 1500W 43Ω
15 11 - 1500W 43Ω
20 15 - 2000W 32Ω
25 18 - 3000W 26Ω
30 22 - 3000W 26Ω
40 30 4030*1 3000W 20.4Ω BR1K0W5P1*4
50 37 4045*1 4800W 15Ω
60 45 4045*1 6000W 13Ω
75 55 4030*2 7200W 10Ω
100 75 4045*2 9600W 7.5Ω
1
* Calculation for 125% brake toque: (kw)*125%*0.8; where 0.8 is motor efficiency.
Because there is a resistor limit of power consumption, the longest operation time for 10%ED is
10sec (on: 10sec/ off: 90sec).
2
* Please refer to the Brake Performance Curve for "Operation Duration & ED" vs. "Braking Current".
3
* For heat dissipation, a resistor of 400W or lower should be fixed to the frame and maintain the
surface temperature below 50℃; a resistor of 1000W and above should maintain the surface
temperature below 350 .
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VFD-VL
1
* 125%Braking Torque 10%ED
Resistor
Brake Resistor
Value of
3
Each AC
* Braking Resistor series for
each Brake Unit
BR1K0W020*1
BR1K5W013*1
BR1K5W013*1
1
* 125%Braking Torque 10%ED
Resistor
Brake Resistor
Value of
3
Each AC
* Braking Resistor series for
each Brake Unit
BR1K0W075*1
BR1K5W043*1
BR1K5W043*1
BR1K0W016*2
BR1K5W013*2
BR1K5W013*2
BR1K2W015*4
BR1K5W013*4
BR1K2W015*4
BR1K2W015*4
℃
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Total
Braking
Current
(A)
- 19
- 29
- 29
2 Series 44
2 Series 49
2 Series 58
2 Series 75
2 Series 97
Total
Braking
Current
(A)
- 10.2
- 17.6
- 17.6
2 Series 24
2 Series 29
2 Series 29
4 Series 37
2 parallel
50
2 Series
2 parallel
59
2 Series
4 Series 76
2 parallel
100
2 Series
B-2
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2
* Max. Brake Torque
Max.
Min.
Total Peak
Resistor
Braking Power
Value
(kW)
Current
(Ω)
(A)
15.6 24.4 9.3
11.5 33.0 12.5
9.5 40.0 15.2
8.3 46.0 17.5
5.8 66.0 25.1
5.8 66.0 25.1
4.8 80.0 30.4
3.2 120.0 45.6
2
* Max. Brake Torque
Max.
Min.
Peak
Total
Resistor
Power
Braking
Value
(kW)
Current
(Ω)
(A)
48.4 15.7 11.9
39.4 19.3 14.7
30.8 24.7 18.8
25.0 30.4 23.1
20.8 36.5 27.7
19.0 40.0 30.4
19.0 40.0 30.4
12.7 60.0 45.6
12.7 60.0 45.6
9.5 80.0 60.8
6.3 120.0 91.2