Application Technique
Parameter Settings for PowerFlex Drives Using Sine-wave Filters,
dV/dt Filters, and Adjustable Voltage
PowerFlex 753 AC Drives, PowerFlex 755 AC Drives, and PowerFlex 700 AC Drives
About This Document
This document applies to PowerFlex® 753, 755, and 700 AC Drives.
This document provides information about key parameters that can be adjusted when applying Adjustable Voltage Control, a type of Volts
per Hertz (VHz) Control, through a filter at the output of a variable-frequency drive (VFD). Information is provided for the following types of
output filters:
• Sine-wave filter
• Derivative of voltage with respect to time (dV/dt) filters including:
- Inductor, and resistor (LR) dV/dt filter
- Inductor, resistor, and capacitor (LRC) dV/dt filter
The drive parameter settings that are described in this document can be used to:
• Modify stability gains.
• Modify modulation mode.
• Help prevent over reaction to the charging current into the capacitor branch of a sine-wave filter.
Topic Page
About This Document 1
Summary of Changes 2
General Information About Motor Control Methods for Each Type of Output
Filter
2
PowerFlex 753/755 Parameter Settings for Use with Sine-wave Filters 3
PowerFlex 753/755 Parameter Settings for Use with Adjustable Voltage
Application with a Sine-wave Filter
5
PowerFlex 753/755 Parameter Settings for Use with dV/dt Filters 7
PowerFlex 700 Parameter Settings for Use with Sine-wave Filters 9
PowerFlex 700 Parameter Settings for Use with Adjustable Voltage
Application with a Sine-wave Filter
13
PowerFlex 700 Parameter Settings for Use with dV/dt Filters 15
2 Rockwell Automation Publication PFLEX-AT002C-EN-P - April 2020
Parameter Settings for PowerFlex Drives Using Sine-wave Filters, dV/dt Filters, and Adjustable Voltage Application Technique
Summary of Changes
This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect
all changes. Translated versions are not always available for each revision.
Topic Page
Throughout: Removed information about parameter settings that are not
applicable.
Throughout
Added sections on parameter settings for applications using LR dV/dt filters. 7, 16