Working principle and features
working principle:
The core of the inverter device is the inverter switching circuit, or simply the inverter circuit. The circuit completes the inversion function by turning on and off the power electroni.......
The spring testing machine can test static strength and dynamic fatigue performance of small springs and small metal and rubber materials. The test bench has large amplitude and fast response, and can perform full-closed control of load, displacement and speed control. The .......
Random Pulse Width Modulation Technology for Control and Protection of Asynchronous Motor Ding Hongbing, Shen Bing, Li Hongjiang (Department of Electrical Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China) Randomly changed the variable coefficient k proportional to .......
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Professor Chen Hongda an.......
Commonly used ore dressing equipment and beneficiation method for the purpose of mineral processing equipment
Reselection method
The re-election method is to classify minerals based on the difference in relative density of minerals (commonly referred to as.......
(Department of Electrical Engineering and Applied Electronic Technology, Tsinghua University, Beijing 100084, China) Theory, design and implementation of an asynchronous motor vector control scheme based on auto-disturbance rejection controller. The perturbation of the coupling terms and .......