The following paper discusses the design of transformer station in highway tunnel from the arrangement of tunnel transformer station and the selection of its place, setting of transformer’s capacity, power fixed-number of transformer station, and high and low voltage primary wiring in transformer station, in order to ensure the operating safety of tunnel.

Contemporary Electric Arc Furnace Capacity and Input Power;

Compensation for the input power of marine gearings;

The impact of input power of soliton in the Photonic crystal fibers on the pulse evolution;

Electrical source output power of curve and application;

Analysis of relationship of the output power with Erbium-doped fiber length and coupler ratio for Erbium-doped fiber ring laser;

A fixed output power laser supply with improved power factor;