The center of the optical fiber is usually a core made of glass, and the core is surrounded by a glass envelope with a lower refractive index than the core, so that the optical signal injected into the core is reflected by the cladding interface, so that the optical signal can propagate in the core.......
Read MoreThe thin optical fiber is encapsulated in a plastic sheath so that it can be bent without breaking. Generally, the transmitting device at one end of the optical fiber uses a light-emitting diode or a laser beam to transmit light pulses to the optical fiber, and the receiving device at the other end ......
Read MoreIn the power system, the system works under the rated voltage under normal conditions, and the voltage deviation is very small. All electrical equipment is working normally. However, when the system is struck by lightning or malfunctions, the system voltage will rise a lot, and the grid voltage will......
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