Pan fydd foltedd ymchwydd yn digwydd, mae'r amddiffynwr ymchwydd yn datgysylltu'r cyflenwad pŵer ar unwaith. Mae'r math hwn o amddiffynnydd ymchwydd is particularly intelligent, complex, and naturally more expensive, and is generally rarely used. This kind of amddiffynnydd ymchwydd is generally made of current sensor. The composition of the control board and the lock. The purpose of the current sensor is to detect whether the grid voltage has fluctuations in the amddiffynnydd ymchwydd. When the control board loads the surge voltage data signal of the current sensor, the lock is operated immediately, as the conduction of the actuator control circuit. There is another amddiffynnydd ymchwydd electrical circuit, which does not disconnect the power circuit when the amddiffynnydd ymchwydd is generated, but embeds the surge voltage, digesting and absorbing the kinetic energy of the amddiffynnydd ymchwydd. This type of circuit is usually placed inside a circuit board, such as a switching power supply circuit. Surge protector class 1. Cross-border marketing is between the live wire and the neutral wire, that is, the differential mode suppression power circuit. The second and third level jumpers of the amddiffynnydd ymchwydd are the live wire neutral-to-ground and the neutral-to-ground, that is, common mode suppression. Differential mode amddiffynnydd ymchwydds are used to embed, digest and absorb surge voltages between live and neutral. Likewise, common mode amddiffynnydd ymchwydds are also used to embed live-neutral-to-ground surge voltages. Generally speaking, for amddiffynnydd ymchwydds with lower requirements, the assembly of amddiffynnydd ymchwydds is sufficient, but common mode surge protection must be added in some places with stronger regulations.

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Amser postio: Jul-02-2022