Power Reduction At Increased Coolant Temperature; Power Reduction At Altitudes > 1000M Above Msl - Siemens SIMOVERT 6SE7024-1EB85-0AA0 Operating Instructions Manual

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14.1

Power reduction at increased coolant temperature

The rated current must be reduced according to Figure 14.2 for cooling medium temperatures exceeding 40°C.
Cooling medium temperatures > 50°C are not permissible.
permissible rated current
in %
100
90
80
75
70
60
10 20 30
Figure 14.2 Maximum permitted rated current depending on coolant temperature
14.2 Power reduction at altitudes > 1000m above MSL
The rated current must be reduced as shown in Figure 14.3 in the event of installation altitudes > 1000 m above
mean sea level. Installation altitudes > 2000 m above MSL (please enquire)
permissible rated current
in %
100
90
80
70
60
0 1000 2000
Figure 14.3 Maximum values for rated current and rated voltage depending on installation altitude
Siemens AG 6SE7087-6AC85-0AA0
Common Rectifier Operating instructions
Coolant temperature
in °C
40 50
3000 4000
Installation altitude
in m above sea level
permissible rated current
in %
100
90
80
70
60
0 1000 2000
Technical data
3000 4000
Installation altitude
in m above sea level
14-3
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