Danfoss VLT AutomationDrive FC 300 Design Manual page 77

FC 300 Design Guide
B enclosures
For the B and C enclosures the derating also depends on the overload mode selected in par. 1-04
60 PWM - Pulse Width Modulation
Illustration 4.5: Derating of I
for enclosure B, using 60 PWM in High torque
MAX
mode (160% over torque)
Illustration 4.7: Derating of I
for enclosure B, using 60 PWM in Normal tor-
MAX
que mode (110% over torque)
C enclosures
60 PWM - Pulse Width Modulation
Illustration 4.9: Derating of I
for enclosure C, using 60 PWM in High torque
MAX
mode (160% over torque)
for different T
out AMB,
for different T
out AMB,
for different T
out AMB,
MG.33.B9.02 - VLT ® is a registered Danfoss trademark
SFAVM - Stator Frequency Asyncron
Vector Modulation
Illustration 4.6: Derating of I
out
for enclosure B, using SFAVM in High torque
MAX
mode (160% over torque)
Illustration 4.8: Derating of I
out
for enclosure B, using SFAVM in Normal torque
MAX
mode (110% over torque)
SFAVM - Stator Frequency Asyncron
Vector Modulation
Illustration 4.10: Derating of I
out
for enclosure C, using SFAVM in High torque
MAX
mode (160% over torque)
4. FC 300 Selection
for different T
AMB,
for different T
AMB,
for different T
AMB,
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