Appendix B Technical Data; What This Chapter Contains; Ratings; Capacity - INVT Goodrive 310-UL Series Operation Manual

GD310-UL series VFD
B.1 What this chapter contains
This chapter contains the technical specifications of the VFD, as well as provisions for fulfilling the
requirements for CE, UL, CUL and other marks.
B.2 Ratings
B.2.1 Capacity
VFD sizing is based on the rated motor current and power. To achieve the rated motor power given in
the table, the rated current of the VFD must be higher than or equal to the rated motor current. Also
the rated power of the VFD must be higher than or equal to the rated motor power. The power ratings
are the same regardless of the supply voltage within one voltage range.
Note:
1. The maximum allowed motor shaft power is limited to 1.5· PN. If the limit is exceeded, motor torque
and current are automatically restricted. The function protects the input bridge of the drive against
overload.
2. The ratings apply at ambient temperature of 40° C
3. It is important to check that in Common DC systems the power flowing through the common DC
connection does not exceed PN.
B.2.2 Derating
The load capacity decreases if the installation site ambient temperature exceeds 40° C, the altitude
exceeds 1000 meters or the switching frequency is changed from 4kHz to 8, 12 or 15kHz.
B.2.2.1 Temperature derating
In the temperature range +40 ° C–+50 ° C, the rated output current is decreased by 1% for every
additional 1 ° C. Refer to the below list for the actual derating.
Note: It is not recommended to use the VFD at an environment with the temperature higher than
50° C. If you do, you shall be held accountable for the consequences caused.

Appendix B Technical data

Derating coefficient (%)
100
90
80
60
40
20
-10 0 10 20
-227-
Temperature (℃)
30 40 50
Technical data