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A.6 Drive Derating Data
The drive can be operated at above rated temperature, altitude and default carrier frequency by derating the drive capacity.
u
Carrier Frequency Derating
as the carrier frequency of the drive increases above the factory setting.
ND
10 (8)
15
0
HD
2
Drive
Rating
Carrier Frequency (C6-02)
200 V Class:
80% of HD
400 V Class:
60% of HD
Carrier Frequency Derating
Figure A.1 Carrier Frequency Derating
u
Temperature Derating
As the ambient temperature for the drive is increased above the drive specification the drive should be derated. Additionally
parameter L8-35 Installation Method Selection on page
should be set according to enclosure type and mounting method
.
n
Output Current Derating Due to Ambient Temperature
Set L8-12 and L8-35 according to the installation conditions when the ambient temperature is above the drive specification
or when drives are mounted side-by-side in a cabinet. The output current is derated as shown in
No.
Name
Description
Range
Def.
L8-12
Ambient
Temperature Setting
Adjust the drive overload (oL2) protection level when the drive is installed
in an environment that exceeds its ambient temperature rating.
-10 to 50
40 °C
L8-35
Installation Method
Selection
0: IP20/IP00 Drive
1: Side-by-Side Mounting
2: NEMA Type 1 Drive
3: Finless Drive or External Heatsink Installation
0 to 3
0
40
50
0%
30
o
35
50%
70%
80%
85%
100%
o
o
o
Drive
Rating
Ambient tem
p C
Parameter L8-12
Parameter L8-35 = 0 (IP20/IP00 Drive)
Parameter L8-35 = 2
(NEMA Type 1 Drive)
Parameter L8-35 = 1
(Side-by-side Mounting)
Parameter L8-35 = 3
(Finless Drive or External
Heatsink Installation)
-10
o
o
Figure A.2 Ambient Temperature and Installation Method Derating
A.6 Drive Derating Data
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual
351
A
Specifications