Switching Frequency Derating; Output Frequency Derating; Fuses (Iec) - ABB ACS560 Hardware Manual

Check the network compatibility restrictions above 2000 m (6562 ft), see section
Installation site altitude (page
Above 2000 m (6562 ft), the maximum permitted potential difference between
the adjacent relays of the BREL-01 relay extension module (option +L511) decreases.
At 4000 m (13123 ft), it is 30 V.
￭

Switching frequency derating

The output current is calculated by multiplying the current given in the rating table
by the derating factor given in the table below.
Note: If you change the minimum switching frequency with parameter 97.02
Minimum switching frequency, derate according to the table below. Changing
parameter 97.01 Switching frequency reference does not require derating.
Frame
R0
R1
R2
R3
R4
R5
R6
R7
R8
￭

Output frequency derating

Output frequency derating applies for ratings up to ACS/ACH/ACQ580-01-106A-4
(R5). Inverter output current is limited by the following factor k below 5 Hz absolute
inverter output frequency f_abs.

Fuses (IEC)

gG as well as uR or aR fuses for protection against short-circuit in the input power
cable or drive are listed below. Either fuse type can be used for frames R0...R8 if
it operates rapidly enough. The operating time depends on the supply network
impedance and the cross-sectional area and length of the supply cable.
Note 1: See also Implementing thermal overload and short-circuit
protection (page
160).
Derating factor of the min. switch frequency
2 kHz
1
1
1
1
1
1
0.97
0.98
0.96
76).
4 kHz 8 kHz
1 0.65
1 0.67
1 0.67
1 0.65
1 0.73
1 0.71
0.83 0.66
0.88
0.81
Technical data 143
12 kHz
0.48
0.5
0.5
0.48
0.55
0.55
0.5
0.7 0.5
0.6 Not applicable
3AXD10000561047.xls