Motor Connection; Efficiency; Cooling; Degrees Of Protection - ABB ACS800-U4 Hardware Manual

108

Motor connection

Voltage (U )
2
Frequency
Frequency resolution
Current
Power limit
Field weakening point
Switching frequency
Maximum recommended
motor cable length

Efficiency

Cooling

Method
Free space around the unit

Degrees of protection

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