The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electricalAngle changing phase control of DC brushless motor.
The measurement of dielectric loss angle is one of the main methods in the preventive tests for the insulation of electrical equipment.
电气设备绝缘预防性试验中的介质损失角正切的测量,则是一种使用较多而且对判断绝缘较为有效的方法。
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For the circular lightning stroke ratio of high towers and poles the electrical geometric model analysis and calculation are recommended with consideration of influence of tile Angle.