Motor Parameter/Soft Start
Motor Parameter/Soft Start
(OP)
I inherited a motor model that was tested with and without soft start capabilities.
An input parameter requests a rated phase voltage, but they used the line voltage instead.
Could the soft start testing be an explanation for the use of Line Voltage?
I'm trying not to jump to the conclusion that the parameter was filled in wrong.(Additionally they reduced the starting current from 6pu to 2pu)
Any advice is appreciated.
An input parameter requests a rated phase voltage, but they used the line voltage instead.
Could the soft start testing be an explanation for the use of Line Voltage?
I'm trying not to jump to the conclusion that the parameter was filled in wrong.(Additionally they reduced the starting current from 6pu to 2pu)
Any advice is appreciated.
RE: Motor Parameter/Soft Start
The starting current has to be low enough to minimize the voltage dip but high enough to allow acceleration of the load inertia in a reasonable time frame. Generally, a higher current occurs for higher inertia loads.
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