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APPENDIX
– Dynamic Braking Resistor Selection
178
Appendix
Dynamic Braking Resistor Selection
Drive Model
Power
Dissipation kW
(Worm Gear)
Resistor Value
Range
(Worm Gear)
Power Dissipation
kW
(Planetary Gear)
Resistor Value
Range
(Planetary Gear)
HPV900-4008-2E1-01
0.8
162
- 53
1.7
77
- 53
HPV900-4012-2E1-01
1.2
109
- 32
2.5
52
- 32
HPV900-4016-2E1-01
1.6
80
- 32
3.4
38
- 32
HPV900-4021-2E1-01
2.4
53
- 16
5
25
- 16
HPV900-4027-2E1-01
3.2
40
- 16
6.8
19
- 16
HPV900-4034-2E1-01
4.0
33
- 8
8.5
16
- 8
HPV900-4041-2E1-01
4.8
27
- 8
10
13
- 8
HPV900-4052-2E1-01
6.4
20
- 8
14
9
- 8
HPV900-4065-2E1-01
8.0
16
- 5.3
17
7.7
- 5.3
HPV900-4072-2E1-01
9.6
13
- 5.3
20
6.3
- 5.3
HPV900-4096-2E1-01
12.0
11
- 4
25
5.2
- 4
Note:
460 V, Regeneration dc bus voltage = 800V
Table A2. 1 - 460V Brake Resistor Recommendations
Drive Model
Power
Dissipation kW
(Worm Gear)
Resistor Value
Range
(Worm Gear)
Power Dissipation
kW
(Planetary Gear)
Resistor Value
Range
(Planetary Gear)
HPV900-2025-2E1-01
1.2
27
- 8
2.5
13
- 8
HPV900-2031-2E1-01
1.6
20
- 8
3.4
9.5
- 8
HPV900-2041-2E1-01
2.4
14
- 4
5
6.4
- 4
HPV900-2052-2E1-01
3.2
10
- 4
6.8
4.7
- 4
HPV900-2075-2E1-01
4.0
8.3
- 2.7
8.5
3.9
- 2.7
HPV900-2088-2E1-01
4.8
6.8
- 2.7
10
3.2
- 2.7
HPV900-2098-2E1-01
6.4
5
- 2
14
2.4
- 2
Note: 230 V, Regeneration dc bus voltage = 400V
Table A2. 2 - 230V Brake Resistor Recommendations
Assumptions for Brake Resistor Recommendations
1) Peak regenerative requirement is: (Cube KW) * 2.5 * (Gear Efficiency) * (Motor Efficiency). This
occurs at start of deceleration under maximum overhauling load (for counterweight < 50%, this is
full load car, start of decel going down). From peak regen power the maximum resistor is
calculated as: R = V
dc
2
/ P
peak
2) Motor efficiency is 95%, jerk out is assumed to be infinite
3) 250% regenerative torque limit
4) Worm gear efficiency = 45%; planetary gears = 95%
5) For power dissipations, a 50% duty cycle is assumed (i.e. elevator runs continuously up and down
but regenerates 50% of the time). Also, 100% regenerative power required. Average power =
(Cube KW) * 1.0 * (Gear Efficiency) * (Motor Efficiency) * 0.5
6) Minimum resistor values based on 100% of device rated current.