LED full -color display frequently trip? How to solve?

　　Frequent cards of full -color display are really outrageous. What is the reason for the frequent brake? The reason is that the layout of the leakage protector is unreasonable. Due to the particularity of the LED full -color display, such as the damage of the line, some electrical appliances, etc. Motoring, coupled with the fact that the leakage protector is not arranged according to the actual electricity consumption, this will cause the leakage protector frequently. In the face of this situation, how to solve it? In addition to strengthening management, the leakage protector needs to be reasonably arranged according to the actual situation. As a total protection of electrical fire hidden dangers and short -circuit of electrical appliances, the rated leakage electric operating current can be selected between 200 and 500mA, and the rated leakage action time can be selected 0.2 ~ 0.3s. This can improve the selective and reliability of the total leakage protector. In this way, the risk of frequent check -by -a -leakage protectors in the construction site can be reduced.

　　Secondly, the frequent card jumping for the full color display is also due to the lack of effective second or third -level leakage protection in the protection range. If not installed, damaged or improperly selected, it may cause the superior leakage protector to cut frequently. Because there are many metal conductors and wire connectors in the LED full -color display, if the wire insulation is not good, it will cause frequent leakage. Therefore Effectively reduce the frequent cards of the leakage protector.

　　Again, the limitations of the leakage protector itself can also cause the full color display screen to stick frequently. At present, the leakage protector we use currently uses the electromagnetic type and the electronic type are used in the main circuit of the main circuit of the electric sensor of magnetic induction voltage transformers. Leakage current, three or three -phase and four lines cannot be completely balanced in the magnetic ring. The three -phase electric load of the LED full -color display cannot be fully balanced. Under a large current or under high overvoltage, a certain electromotive force will be performed in the magnetic ring with a very high magnetic rate. To a certain degree, the leakage protector will be tripped. In addition, there is an area where the leakage protector is uncertain between the rated leakage power current and the rated leakage non -action current. When the leakage protector fluctuates in this area, the leakage protector may cause the leakage protector to jump irregularly without rules. Essence

　　Finally, the unreasonable selection of the leakage protector may also lead to frequent braking. The rated leakage electric action current used in the switch box exceeds 30mA or the leakage protector with a rated current of more than two times the rated equipment, and the use of a delayed leakage protector. Due to the increase in or protection sensitivity of the rated leakage power current current For the decline, the superior leakage protector may move, resulting in a trip.

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