PM250 Power Module
Hardware Installation Manual, 01/2016, A5E36265179B-AA
53
Power loss of the Power Modules
The power loss values specified are typical values. You will find further information on the
Internet at: Power loss data for partial load operation
(https://support.industry.siemens.com/cs/ww/en/view/94059311)
Overload capability of the inverter
Overload capability is the property of the inverter 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"
Constant load between the accelerating phases of the drive
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
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
Rated power based on the HO 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 the "SIZER" engineering software to select the inverter.
You will find additional information about SIZER on the Internet: Download SIZER
(http://support.automation.siemens.com/WW/view/en/10804987/130000).
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