Power electric transformer is a static electrical equipment, is used to a certain value of the AC voltage (current) becomes the same frequency as the other one or more different voltage values (current) device.
2013年11月14日星期四
Best action time and contact pressure, and find ways to reduce bounce conditions
In recent years, a variety of industrial automation equipment and installations further , systematic direction. Therefore, the requirements for electromagnetic contactor is further increased, but it is sometimes due to a failure of the electromagnetic contactor will be greatly affected the entire system , so they requested that the electromagnetic contactor under normal conditions of use in a variety of movements, in the long term during use and high reliability. To meet this requirement , the electromagnetic contactor must first understand the movement of the movable mechanism and the mechanism involved in the movement of each part of the material and
mcb circuit breaker of size , and then analyzes the impact strength of the parts . Then obtain the optimal operating time and contact pressure , and find ways to reduce bounce conditions . In the study of these problems when trying to understand changes in a complex electromagnetic suction force
electric transformer and spring . Use these forces to analyze the movement of the movable body and the impact of stress that has become an important issue. This view has not yet been studies. Focuses on the operation of the electromagnetic contactor dominant characteristic of the movement mechanism of the movable contacts and the main mechanism of impact stress generated . First, in different sizes and mechanical constant test experiments and analysis, to understand electromagnetic suction force generating mechanism and spring . Further analysis of these results with the movement of the movable body , compared with the experimental results .
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