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Inovance MD500-PLUS Series User Manual

Inovance MD500-PLUS Series
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Parameter Groups
‑102‑
Value Range:
0.00 Hz to F0‑12
Description
This parameter defines the minimum running frequency for the motor.
F0-15
Carrier frequency
Address:
0xF00F
Min.:
0.8
Unit:
kHz
Max.: 16 Data type: UInt16
Default:
6
Change: In real time
Value Range:
0.8 kHz to 16.0 kHz
Description
The carrier frequency of the AC drive determines the number of times that the
power switching device (such as IGBT) of the drive unit is turned on and off, so it
is also called the switching frequency. It mainly affects the following aspects:
The power loss of the power module IGBT is related to the carrier frequency. As
the carrier frequency increases, the power loss increases and the power module
heats up, which is unfavorable to the AC drive.
When the carrier frequency is high, the waveform of the secondary current output
by the AC drive is sinusoidal and smooth. In this way, the harmonic is low, but the
interference is relatively strong, and the vice versa. When the carrier frequency is
too low, the effective torque of the motor decreases, the loss increases, and the
temperature increases. On the contrary, when the carrier frequency is too high,
the loss of the AC drive itself increases, the IGBT temperature rises, and the
change rate dv/dt of the output voltage increases, which has great influence on
the insulation of the motor.
F0-16
Carrier frequency change with temperature
Address:
0xF010
Min.:
0
Unit:
‑
Max.: 1 Data type: UInt16
Default:
1
Change: In real time
Value Range:
0: No
1: Yes
Description
This parameter defines whether the carrier frequency changes with the
temperature.
F0-17
Acceleration time 1
Address:
0xF011

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Inovance MD500-PLUS Series Specifications

General IconGeneral
BrandInovance
ModelMD500-PLUS Series
CategoryDC Drives
LanguageEnglish

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