INVT Goodrive350 Series Operation Manual page 386

Goodrive350 IP55 High-ingress Protection Series VFD
Note: It is not recommended to use the VFD at an environment with the temperature higher
than 50° C. If you do, we shall not hold accountable for the consequences caused.
B.2.2.2 Derating due to altitude
When the VFD installation site altitude is lower than 1000m, the VFD can run at the rated
power. When the altitude exceeds 1000m, derate by 1% for each increase of 100m. When the
altitude exceeds 3000m, consult the local INVT dealer or office for details.
B.2.2.3 Derating due to carrier frequency
The VFDs in different power classes are different in carrier frequency. The rated power of a
VFD is defined based on the carrier frequency set in factory. If the carrier frequency exceeds
the factory setting, the power of the VFD is derated by 10% for each increased 1 kHz.
B.3 Grid specifications
Grid voltage AC 3PH 380V(-15%) – 440V(+10%)
According to the definition in IEC 61439-1, the maximum allowable short-circuit
Short-circuit current at the incoming end is 100 kA. Therefore, the VFD is applicable to
capacity scenarios where the transmitted current in the circuit is no larger than 100kA when
the VFD runs at the maximum rated voltage.
Frequency 50/60Hz±5%, with a maximum change rate of 20%/s
B.4 Motor connection data
Motor type Asynchronous induction motor or permanent-magnet synchronous motor
0–U1 (motor rated voltage), 3PH symmetrical, Umax (VFD rated voltage) at the
Voltage
field-weakening point
Short-circuit The motor output short-circuit protection meets the requirements of IEC
protection 61800-5-1.
Frequency 0–599Hz
Frequency
0.01Hz
resolution
Figure B-1 Temperature-based derating diagram
Derating coefficient (%)
100
90
80
60
40
20
-10 0 10
Temperature (℃)
20 30 40 50
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Technical data