![background image](http://html.mh-extra.com/html/vlt/fc-322/fc-322_design-manual_1042923074.webp)
B enclosures
60 AVM - Pulse Width Modulation
Illustration 3.5: Derating of I
out
for different T
AMB, MAX
for
enclosure B, using 60 AVM in Normal torque mode (110%
over torque)
SFAVM - Stator Frequency Asyncron Vector Modulation
Illustration 3.6: Derating of I
out
for different T
AMB, MAX
for
enclosure B, using SFAVM in Normal torque mode (110%
over torque)
C enclosures
Please note: For 90 kW in IP55 and IP66 the max. ambient temperature is 5
°
C lower.
60 AVM - Pulse Width Modulation
Illustration 3.7: Derating of I
out
for different T
AMB, MAX
for
enclosure C, using 60 AVM in Normal torque mode (110%
over torque)
SFAVM - Stator Frequency Asyncron Vector Modulation
Illustration 3.8: Derating of I
out
for different T
AMB, MAX
for
enclosure C, using SFAVM in Normal torque mode (110%
over torque)
D enclosures
60 AVM - Pulse Width Modulation, 380 - 480 V
Illustration 3.9: Derating of I
out
for different T
AMB, MAX
for
enclosure D at 480 V, using 60 AVM in Normal torque mode
(110% over torque)
SFAVM - Stator Frequency Asyncron Vector Modulation
Illustration 3.10: Derating of I
out
for different T
AMB, MAX
for
enclosure D at 480 V, using SFAVM in Normal torque mode
(110% over torque)
Automation VT Drive FC322 Design Guide
3 VLT Automation VT Drive Selection
MG.20.X1.22 - VLT
®
is a registered Danfoss trademark
73
3
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