pole changing 中文意思是什麼
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Calculation of slot leakage reactance for 3 - phase pole changing double winding adjustable - speed asynchronous motor
雙繞組變極調速三相異步電動機槽漏抗的計算 -
The similarities and differences of high voltage heat changing resistance type starter and liquid resistance starter of moving pole plate for changing resistance
高壓熱變阻式與動極變阻式液體電阻起動器的異同 -
The influence analysis is achieved for maneuverability and stability of the coach - bus while the angel stiffness of it ' s lateral stable pole or the position of gravity center is changing
並討論了橫向穩定桿角剛度變化、重心位置變化對大客車操縱穩定性的影響。 -
This motor employs method of changing the pole numbers so as to carry out speed adjustment
採用單繞組變極方法實現速度變換。 -
Using two pole - pair slot - number phase graph to design two - layer pole - changing windings with far pole ratio
用雙極對槽號相位圖設計雙層遠極比變極繞組 -
The more poles mode, the unequal pole width mode ; the low - frequency slot harmonic modulation mode and the mode of changing end magnetic conductance are presented, and these designing method can efficiently weaken the end effect and decrease the wave of the thrust
提出的採用多極電機方式；初級與次級極距不等的方式；齒諧波低頻調制方式和改變電機兩端部磁導的方式等電機的設計原則和方法，都可有效地削弱端部效應，減小推力的波動。 -
Then the speed regulating pole change motor is designed based on the pole - changing principle
根據變極原理設計了螺桿泵用變極調速電動機。 -
On the one hand, distribution circuit is changing from overhead power line to cable line, it lead to reduce electromagnetism pollution, avoid the contravention between pole and tree, add the greenbelt of the city, and beautify the environment
尤其在城市，一方面，電網正逐漸由架空線換為電纜，使其減少電磁污染和避免桿樹矛盾，增加城市綠地，美化環境。
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