Drive Derating Data; Drive Derating Data; Temperature Derating - YASKAWA CIMR-JC4A0002BAA Quick Start Manual

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

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 as illustrated in
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 if drives are side-by-side mounted in a cabinet. The output
current is derated as shown in
No. Name
Ambient
L8-12 Temperature
Setting
Installation
L8-35 Method
Selection
<1> This selection assumes that the drive is fitted with the NEMA Type 1 Kit option.
100%
85%
80%
70%
Drive
Rating
50%
0
Figure A.1 Ambient Temperature and Installation Method Derating
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
Figure A.1.
Description
Adjust the drive overload (oL2) protection level when the
drive is installed in an environment that exceeds its ambient
temperature rating.
0: IP20/IP00 Drive
1: Side-by-Side Mounting
<1>
2: NEMA Type 1 Drive
3: Finless Drive or External Heatsink Installation
Parameter L8-35 = 0 (IP20/IP00 Drive)
o o
o
30 35 40
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A.6 Drive Derating Data
Parameter L8-35 = 2
(NEMA Type 1 Drive)
Parameter L8-35 = 3
(Finless Drive or External
Heatsink Installation)
Parameter L8-35 = 1
(Side-by-side Mounting)
Ambient tem p C
Parameter L8-12
o
50
207
Figure A.1.
Range Def.
-10 to 50 30 °C
0 to 3 0
A
207