Delta EB3000 Series User Manual page 445

Chapter 12 SpecificationsEB3000
Carrier Frequency Derating Curve
DPWM (Discontinuous Pulse Width Modulation)
120
100
80
60
40
20
0
2
The rated output current derating (%) of DPWM for different carrier frequencies:
DPWM (Default)
Carrier Frequency (kHz)
10
11
12
13
14
15
DPWM Derating Rule
4 6
Carrier Frequency (kHz)
220V/1φ
Single-phase 220V
2
3
4
5
6
7
8
9
8 10
VFD040ED43B
Derating Ratio (%) VS. Carrier Frequency (kHz)
VFD040ED43B
100
100
100
100
100
100
100
100
100
97
94
91
88
85
12-8
12 14
440V/3φ
Three-phase 440V
Other Models
100 100
100 100
100 100
100 100
100 100
100 100
100 100
100 94
100 88
94 84
89 79
84 75
79 72
75 69
16