Brake Resistors - Danfoss VLT 2800 Design Manual

Introduction to VLT 2800
1 1

1.11.13 Brake Resistors

VLT type
2803 (200 V)
2805 (200 V)
2807 (200 V)
2811 (200 V)
2815 (200 V)
2822 (200 V)
2840 (200 V)
2805 (400 V)
2807 (400 V)
2811 (400 V)
2815 (400 V)
2822 (400 V)
2830 (400 V)
2840 (400 V)
2855 (400 V)
2875 (400 V)
2880 (400 V)
2881 (400 V)
2882 (400 V)
Table 1.8 Brake Resistors Vertical Braking - 40% Duty Cycle
VLT type
2803 (200 V)
2805 (200 V)
2807 (200 V)
2811 (200 V)
2815 (200 V)
2822 (200 V)
2840 (200 V)
2805 (400 V)
2807 (400 V)
2811 (400 V)
2815 (400 V)
2822 (400 V)
2830 (400 V)
2840 (400 V)
2855 (400 V)
2875 (400 V)
2880 (400 V)
2881 (400 V)
2882 (400 V)
Table 1.9 Brake Resistors - Horisontal Braking - 10% Duty Cycle
22
Design Guide
P R R
motor min
[kW] [Ω] [Ω]
0.37 275 300
0.55 185 200
0.75 135 145
1.1 91 100
1.5 66 70
2.2 44 48
3.7 22 27
0.55 747 850
0.75 558 630
1.1 370 410
1.5 260 270
2.2 185 200
3 135 145
4 99 110
5.5 74 80
7.5 52 56
11 35 38
15 26 28
18.5 21 22
P R
motor min
[kW]
[Ω]
0.37 275
0.55 185
0.75 135
1.1 91
1.5 66
2.2 44
3.7 22
0.55 747
0.75 558
1.1 370
1.5 260
2.2 185
3 135
4 99
5.5 74
7.5 52
11 35
15 26
18.5 21
Danfoss A/S © Rev. May/2014 All rights reserved.
P Therm. relay
rec b, cont.
[A]
[kW]
0.2 0.8
0.2 0.9
0.3 1.3
0.45 2
0.57 2.7
0.96 4.2
1.4 6.8
0.2 0.5
0.3 0.7
0.45 1
0.57 1.4
0.96 2.1
1.13 2.7
1.7 3.7
2.2 5
3.2 7.1
5.0 11.5
6.0 14.7
8.0 19.1
R P
rec b, cont.
[kW]
[Ω]
300 0.1
200 0.1
145 0.1
100 0.1
70 0.2
48 0.2
27 0.36
850 0.1
630 0.1
410 0.1
270 0.2
200 0.2
145 0.3
110 0.45
80 0.57
56 0.68
38 1.1
28 1.4
22 1.7
Order no. Cable cross-
section
[mm 2 ]
175U3096 1.5
175U3008 1.5
175U3300 1.5
175U3301 1.5
175U3302 1.5
175U3303 1.5
175U3305 1.5
175U3308 1.5
175U3309 1.5
175U3310 1.5
175U3311 1.5
175U3312 1.5
175U3313 1.5
175U3314 1.5
175U3315 1.5
175U3316 1.5
175U3236 1.5
175U3237 2.5
175U3238 4
Order no. Cable cross-section
2
[mm ]
175U3006 1.5
175U3011 1.5
175U3016 1.5
175U3021 1.5
175U3026 1.5
175U3031 1.5
175U3326 1.5
175U3001 1.5
175U3002 1.5
175U3004 1.5
175U3007 1.5
175U3008 1.5
175U3300 1.5
175U3335 1.5
175U3336 1.5
175U3337 1.5
175U3338 1.5
175U3339 1.5
175U3340 1.5
MG27E402