1.
critical rate of fall of commutating current
换向电流临界下降率
2.
three - phase commutator motor
三相交流换向器电动机
3.
To reverse the direction of(an alternating electric current)each half - cycle to produce a unidirectional current.
变换电流方向颠倒每一半周（交流电流的）方向，以产生单方向性电流
4.
"Alternating current (AC): Flow of electric charge that reverses periodically, unlike direct current."
交流电:周期性换向的电流,和直流电不一样。
5.
Discussion about the method of back-EMF commutation for brushless DC motor
无刷直流电机反电势换向方法的探讨
6.
AC commutatorless and brushless motor
交流无刷无换向器电动机
7.
A Study on Improving the Performance of Pole Change of High-speed Direct-current Motor;
高速直流电动机改善换向性能的研究
8.
crossed parallelogram
平行四边形电流换向器方向转动的曲柄
9.
(electricity) of a current that reverses direction at regular intervals.
（电学）指按有规则的间隔变换方向的电流。
10.
Commutation Study of DC Motor for Automotive Fuel Pumps
汽车电动燃油泵用直流电动机换向研究
11.
The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
无刷直流电机是一种没有机械换向器和电刷的直流电机。
12.
A principle of the SCR uninterrupted contacting commutator for the DC motor
可控硅无间断接触直流电机换向器原理
13.
Research on Commutation Process and Angular Position Detection of Permanent Magnet Brushless DC Motor;
永磁无刷直流电动机换向及位置检测研究
14.
Design of a Seawater Hydraulic Solenoid Cartridge Directional Valve
大流量插装式海水液压电磁换向阀的设计
15.
Research of the Bi-directional DC-DC Converters Based on Current-Fed Half-Bridge Topology;
基于电流源型半桥拓扑的双向直流变换器技术研究
16.
Brush Abrasion and Commutation Research of 270V High-voltage Rare-earth Permanent Magnet DC Motors
270V高压稀土永磁直流电动机电刷磨损与换向研究
17.
COMPUTATION OF THE POTENTIAL OF A POINT CURRENT SOURCE IN LAYERED EARTH WITH ARBITRARY ANISOTROPY BY USING OF THE FAST HANKEL TRANFORMATION
用快速汉克尔变换计算各向异性层状介质中点电流源的电位响应
18.
commutator stone
换向器磨石, 整流子磨石