Method and system for controlling wound rotor synchronous motor
AssigneeHyundai Motor Company
InventorKyung Su KIM
Life of this patent
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Abstract
The present disclosure provides a system for controlling a wound rotor synchronous motor including: a current/voltage determiner configured to determine optimum rotor current using a map from real-time motor operating information and to determine and output a rotor voltage according to the determined optimum rotor current, and a temperature estimator configured to calculate and output a rotor coil temperature from the rotor voltage and the optimum rotor current output from the current/voltage determiner using a rotor coil temperature estimation equation set from a correlation equation between the rotor voltage and the rotor coil temperature for each rotor current.
Claims16
A system for controlling a wound rotor synchronous motor, comprising:
- a current/voltage determiner configured to determine an optimum rotor current using a map from real-time motor operating information, and configured to determine and output a rotor voltage based on the optimum rotor current;
- and
- a temperature estimator configured to calculate and output a rotor coil temperature from the rotor voltage and the optimum rotor current output from the current/voltage determiner based on a rotor coil temperature estimation equation, wherein the rotor coil temperature estimation equation is a correlation equation, for each of a plurality of a rotor current, between the rotor voltage and the rotor coil temperature.
A method of controlling a wound rotor synchronous motor, comprising:
- determining an optimum rotor current using a map from real-time motor operating information and determining a rotor voltage based on the optimum rotor current;
- and
- calculating a rotor coil temperature from the rotor voltage and the optimum rotor current based on a rotor coil temperature estimation equation, wherein the rotor coil temperature estimation equation is a correlation equation, for each of plurality of a rotor current, between the rotor voltage and the rotor coil temperature.
Dependencies are inferred from the claim text.