What are the basic principles for selecting flexible cables?

I. What are the basic principles of selecting flexible cables? Current-carrying capacity:Current-carrying capacity is the value of current that the wear-resistant cable can withstand in use. Generally speaking, the current-carrying capacity refers to the larger current value. Therefore, when buying wear-resistant cables, you need to check whether the wear-resistant cables are degraded in the structural design. In this regard, as long as it is a regular cable, the product manual will have detailed instructions. In addition, you also need to check the insulation value and voltage resistance of the cable bow foot to see if it meets the application requirements. Toughness requirements:The conductors of highly flexible cables have high toughness requirements because the cables are in a dynamic working environment. In general, the thinner the conductor, the softer the conductor, the better the flexibility. However, this is limited because it also requires strong mechanical fatigue strength requirements. Impedance matching:Not only flexible cables, but also other types of cables generally have impedance requirements as long as they are in use to achieve signal transportation, especially in environments with high magnetic interference, the requirements for cable impedance matching are more stringent. It is important to know that if the impedance of the cable is not matched in the process of use, it is not serious, and the signal transmission may be intermittent. If the situation is serious, it will cause signal reflection, resulting in the signal can not be received.

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