Derating; Derating At High Altitude; Derating At High Ambient Temperature; Derating Using Servo Drives With Shaft Seals - Danfoss VLT ISD 510 Design Manual

Specifications

6.1.6 Derating

6.1.6.1 Derating at High Altitude

Illustration 6.19 shows the derating factor when using the
servo drives above 1000 m.
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0 500 1000 1500
Installation altitude [m]
Illustration 6.19 Derating of Phase Output Current versus
Installation Altitude
NOTICE
®
The components of the VLT
ISD 510 System are only approved for installation at
altitudes up to 2000 m above sea level. Products used at
altitudes above 2000 m above sea level means that such
products are accepted "as is", and that Danfoss disclaims
all warranties of quality, whether express or implied,
including the warranties of merchantability and fitness
for particular purpose. For any such products, Danfoss
has no obligation to repair any damage to or defect in
the products, replace the products, or otherwise remedy
the products. Furthermore, Danfoss disclaims any liability
for damage to person or property caused by the
products due to the product being installed at altitudes
above 2000 m above sea level.
6.1.6.2 Derating at High Ambient
Temperature
Servo drive size Temperature derating factor
Size 1, 1.5 Nm 0.032 Nm/°C
Size 2, 2.1 Nm 0.048 Nm/°C
Size 2, 2.9 Nm 0.056 Nm/°C
Size 2, 3.8 Nm 0.081 Nm/°C
Table 6.7 Derating at High Ambient Temperature
MG36C102
Design Guide
2000 2500 3000 3500 4000
Integrated Servo Drive
Danfoss A/S © 08/2017 All rights reserved.
6.1.6.3 Derating using Servo Drives with
Shaft Seals
Servo drive size
Size 1, 1.5 Nm
Size 2, 2.1 Nm
Size 2, 2.9 Nm
Size 2, 3.8 Nm
Table 6.8 Derating using Servo Drives with Shaft Seals
6.1.6.4 Derating using Servo Drives with
Mechanical Holding Brake
Servo drive size
Size 1, 1.5 Nm
Size 2, 2.1 Nm
Size 2, 2.9 Nm
Size 2, 3.8 Nm
Table 6.9 Derating using Servo Drives with Mechanical Holding Brake

6.1.7 Connection Tightening Torques

Illustration 6.20 and Illustration 6.21 show the fixing screws
and mounting of the servo drives.
Illustration 6.20 Mounting of Size 1, 1.9 Nm, Size 2, 2.9 Nm,
and Size 2, 3.8 Nm Servo Drives
Derating
15%
11%
8%
4%
6
Derating
6%
5%
5%
5%
61
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