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Three-phase asynchronous motor is one of the most frequently used motors. Inter-turn short circuit fault is a kind of fault with high probability. If the real-time monitoring of motor operation，health and safety evaluation of the operation，will be able to timely stop losses，reduce losses. An inter-turn fault diagnosis method was proposed based on extended Clarke transform and fault characteristic factor Q，analyzed the characteristics of Clarke vector of inter-turn fault of motor，modulated the Clarke vector of inter-turn fault of motor，and obtained the DC component of symmetrical component and the AC component twice the fundamental frequency in the three-phase current. The ratio of the amplitude of the component to the DC component was used as the fault characteristic factor Q to diagnose the inter-turn fault. Clarke vector spectrum was studied by characteristic factor Q，so as to judge the motor fault，and theoretical simulation and prototype test were carried out.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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