Utilities around the world face increasing pressure to deliver reliable, highly efficient electric power at affordable rates and with minimum environmental impact. At the electrical substation, the demand for “smart grid” technologies using Ethernet-based automation processes is transforming operations, enabling faster and more reliable power conversion, transmission and distribution systems. In response, leading power equipment suppliers are introducing faster equipment, including switches and routers, which in turn require the use of optical fiber, the only transmission medium capable of the extremely high bandwidth – information-carrying capacity – and transmission speed required by the smart grid. An understanding of fiber optic applications and product performance will help operators achieve the high bandwidth, durability and ease of use they need for today’s substation automation.

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