Do you know what overload and overcurrent are?
Every electrical equipment used in the power grid or in our daily life will have a rated power, when the power of the equipment is higher than the rated power, we call it overload. Similarly, we call this protection over the rated power overload protection. Another point to mention here is that when the equipment…
What are the differences between shielded and unshielded cables for frequency converters, and how should they be chosen?
In the electrical system of the frequency converter, the choice of shielded and unshielded cables directly affects the operational stability of the equipment, today we will take Siemens’ senior engineers to provide you with a detailed analysis from the three dimensions of structure, characteristics and actual impact. 1. Structural difference: the “presence or absence” of…












