Method for improving quick-break protection performance of asynchronous motor
The invention discloses a method for improving quick-break protection performance of an asynchronous motor. The method comprises the steps that a device automatically optimizes a constant value; measuring the electrical quantity of the motor in operation; the quick-break protection constant value is...
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| creator | CHEN MING DUAN YANQING ZHANG NANHUI ZOU XUEXIANG LEI XINGYU SUN XI LI RUI YIN RAOFANG LUO XINYU ZHANG WEI YANG LIU TANG QIANG SHEN JI JIAO BO LI QINGXUAN OUYANG JINSONG ZI RONGTAO FENG MENG ZHANG XIAO CHENG PENG MIAO JI QIAN QINGWEI WU QINGRU FENG YAOYU CHEN JIONG YANG JINGHUA CHEN HAIXI ZHANG YONGMING LI HUI HU SHUYI SONG CHANGYONG ZHOU YING ZHU SHENG CHEN WENHAI PENG LIDAN SONG QINGLIN LIU HONGBING XIE TIANZHU ZHANG CHUNGANG XU YUE JIANG QIUNAN LI YINGZHUO LIU ZHIHONG ZHANG GUOWU XIE YIFENG CHEN DEKAI YANG SHOUQUAN YANG PENGJIE LI LEI |
| description | The invention discloses a method for improving quick-break protection performance of an asynchronous motor. The method comprises the steps that a device automatically optimizes a constant value; measuring the electrical quantity of the motor in operation; the quick-break protection constant value is continuously optimized, so that the device constant value is optimal; according to the method for improving the quick-break protection performance of the asynchronous motor, the purpose of reducing a quick-break protection current constant value is achieved, so that it is ensured that a fault is rapidly removed when the motor breaks down, and a novel nonlinear fractional order PID sliding mode surface is constructed in combination with a nonlinear function; the problems of low control precision, low response speed and the like of the traditional fractional order PID sliding mode surface in a sliding state are solved; a sliding mode reaching law is used by using a self-adaptive superhelix algorithm, so that the con |
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The method comprises the steps that a device automatically optimizes a constant value; measuring the electrical quantity of the motor in operation; the quick-break protection constant value is continuously optimized, so that the device constant value is optimal; according to the method for improving the quick-break protection performance of the asynchronous motor, the purpose of reducing a quick-break protection current constant value is achieved, so that it is ensured that a fault is rapidly removed when the motor breaks down, and a novel nonlinear fractional order PID sliding mode surface is constructed in combination with a nonlinear function; the problems of low control precision, low response speed and the like of the traditional fractional order PID sliding mode surface in a sliding state are solved; a sliding mode reaching law is used by using a self-adaptive superhelix algorithm, so that the con</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION |
| title | Method for improving quick-break protection performance of asynchronous motor |
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