Electric Power Generation, Transmission, and Distribution eTool
Unqualified employees are not permitted to work on electric power generation, distribution, or transmission installations, and the "269" standard does not apply to the electrical safety
Substation fences. Conductive fences around substations shall be grounded. When a substation fence is expanded or a section is removed, fence sections shall be isolated, grounded, or bonded as necessary to protect employees from hazardous differences in electric potential.
Substation Types: Although, there are generally four types of substations there are substations that are a combination of two or more types. A step-up transmission substation receives electric power from a nearby generating facility and uses a large power transformer to increase the voltage for transmission to distant locations.
Other installations at an electric power generating station, as follows: Fuel and ash handling and processing installations, such as coal conveyors, Water and steam installations, such as penstocks, pipelines, and tanks, providing a source of energy for electric generators, and Chlorine and hydrogen systems;
Oterwise, the power goes to a distribution substation. Distribution substations are located near to the end-users. Distribution substation transformers change the transmission or subtransmission voltage to lower levels for use by end-users. Typical distribution voltages vary from 34,500Y/19,920 volts to 4,160Y/2400 volts.
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