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Technical data
6.3 Overload capability of the converter
6.3
Overload capability of the converter
Overload capability is the property of the converter to temporarily supply a current that is
higher than the rated current to accelerate a load. Two typical load cycles are defined to
clearly demonstrate the overload capability: "Low Overload" and "High Overload"
Definitions
Base load
Constant load between the accelerating phases of the drive
Low Overload
• LO base load input current
Permissible input current for a "Low
Overload" load cycle
• LO base load output current
Permissible output current for a "Low
Overload" load cycle
• LO base load power
Rated power based on the LO base load
output current
If not specified otherwise, the power and current data in the technical data always refer to a
load cycle according to Low Overload.
We recommend using the "SIZER" engineering software to select the converter.
You can find additional information about SIZER on the Internet:
(http://support.automation.siemens.com/WW/view/en/10804987/130000)
56
Download Sizer
High Overload
• HO base load input current
Permissible input current for a "High
Overload" load cycle
• HO base load output current
Permissible output current for a "High
Overload" load cycle
• HO base load power
Rated power based on the HO base
load output current
Hardware Installation Manual, 06/2020, A5E37800827C AD
Power Module PM240P-2
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