Delta VFD-E

Chapter 4 Parameters|
Revision Jan. 2009, 06EE, SW--PW V1.12/CTL V2.12 4-71
the AC motor drive will decrease the carrier frequency automatically according to the following
figure. If output current is 100% * rated current, the carrier frequency will decrease from 15kHz
to 12kHz.
Mounting method
Method
A
120mm
120mm
50mm
50mm
150mm
150mm
50mm
50mm
Frame B & CFrame A
Frame A
Method B
Frame B & C
 The relation between rated current and carrier frequency
40%
50%
60%
For 115V/230V Series
80%
90%
100%
2kHz
4kHz 8kHz
10kHz
12kHz
14kHz
15kHz6kHz
70%
Rated Current (%)
Carrier
Frequency
50 with mounting method A ℃
40 with mounting method B ℃
35 with mounting method A ℃
25 with mounting method B ℃
25 with mounting method A ℃
15 with mounting method B ℃