Technical data
108
Motor connection
Voltage (U
2
) 0 to U
1
, 3-phase symmetrical, U
max
at the field weakening point
Frequency DTC mode: 0 to 3.2 · f
FWP
. Maximum frequency 300 Hz.
f
FWP
=
f
FWP
: frequency at field weakening point; U
Nmains
: mains (input power) voltage;
U
Nmotor
: rated motor voltage; f
Nmotor
: rated motor frequency
Frequency resolution 0.01 Hz
Current See section IEC data.
Power limit 1.5 · P
hd
, 1.1 · P
N
or P
cont.max
(whichever value is greatest)
Field weakening point 8 to 300 Hz
Switching frequency 3 kHz (average). In 690 V units 2 kHz (average).
Maximum recommended
motor cable length
Sizing method Max. motor cable length
DTC control Scalar control
according to I
2N
and I
2hd
R2 to R3: 100 m (328 ft)
R4 to R6: 300 m (984 ft)
R2: 150 m (492 ft)
R3 to R6: 300 m (984 ft)according to I
cont.max
at
ambient temperatures below
30°C (86°F)
according to I
cont.max
at
ambient temperatures above
30°C (86°F)
R2: 50 m (164 ft) Note: This applies to units with EMC filter
also.
R3 and R4: 100 m (328 ft)
R5 and R6: 150 m (492 ft)
Note: With cables longer than 100 m (328 ft), the EMC Directive requirements may not be
fulfilled. See section CE marking.
Efficiency
Approximately 98% at nominal power level
Cooling
Method Internal fan, flow direction from bottom to top.
Free space around the unit See chapter Mechanical installation.
Degrees of protection
IP20 (UL open type). See chapter Planning the cabinet assembly.
U
Nmains
U
Nmotor
· f
Nmotor
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