Method and device for determining lead angle, equipment, storage medium and circuit
The invention belongs to the technical field of brushless direct current motor control, and particularly relates to a lead angle determination method, device and equipment, a storage medium and a circuit. According to the invention, the current phase voltage of the brushless direct current motor is...
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| creator | ZHANG XIAOFEI WANG LI WU WANYAN HUANG RUNYU LI QING |
| description | The invention belongs to the technical field of brushless direct current motor control, and particularly relates to a lead angle determination method, device and equipment, a storage medium and a circuit. According to the invention, the current phase voltage of the brushless direct current motor is obtained; obtaining the current reference voltage of the brushless direct current motor; and determining the current lead angle of the brushless direct current motor according to the current phase voltage and the reference voltage. The problems that in the prior art, when the moving lead angle is in the no-load or low-rotating-speed state of the motor, the current delay angle is small, and due to the fact that lead angle compensation is too large, no-load vibration or low-rotating-speed load noise of the motor is obvious are solved, efficiency optimization of multiple working points of the brushless direct current motor is achieved, and the service life of the brushless direct current motor is prolonged. And no-loa |
| format | Patent |
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According to the invention, the current phase voltage of the brushless direct current motor is obtained; obtaining the current reference voltage of the brushless direct current motor; and determining the current lead angle of the brushless direct current motor according to the current phase voltage and the reference voltage. The problems that in the prior art, when the moving lead angle is in the no-load or low-rotating-speed state of the motor, the current delay angle is small, and due to the fact that lead angle compensation is too large, no-load vibration or low-rotating-speed load noise of the motor is obvious are solved, efficiency optimization of multiple working points of the brushless direct current motor is achieved, and the service life of the brushless direct current motor is prolonged. 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According to the invention, the current phase voltage of the brushless direct current motor is obtained; obtaining the current reference voltage of the brushless direct current motor; and determining the current lead angle of the brushless direct current motor according to the current phase voltage and the reference voltage. The problems that in the prior art, when the moving lead angle is in the no-load or low-rotating-speed state of the motor, the current delay angle is small, and due to the fact that lead angle compensation is too large, no-load vibration or low-rotating-speed load noise of the motor is obvious are solved, efficiency optimization of multiple working points of the brushless direct current motor is achieved, and the service life of the brushless direct current motor is prolonged. 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According to the invention, the current phase voltage of the brushless direct current motor is obtained; obtaining the current reference voltage of the brushless direct current motor; and determining the current lead angle of the brushless direct current motor according to the current phase voltage and the reference voltage. The problems that in the prior art, when the moving lead angle is in the no-load or low-rotating-speed state of the motor, the current delay angle is small, and due to the fact that lead angle compensation is too large, no-load vibration or low-rotating-speed load noise of the motor is obvious are solved, efficiency optimization of multiple working points of the brushless direct current motor is achieved, and the service life of the brushless direct current motor is prolonged. And no-loa</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Method and device for determining lead angle, equipment, storage medium and circuit |
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