Electrical substation | Wikipedia audio article
Channel: wikipedia tts
Date: 02/01/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Electrical_substation


00:01:37 1 Types
00:02:15 1.1 Transmission substation
00:03:59 1.2 Distribution substation
00:06:15 1.3 Collector substation
00:07:51 1.4 Converter substations
00:08:36 1.5 Switching station
00:11:12 1.6 Railways
00:12:00 1.7 Mobile substation
00:12:46 2 Design
00:12:56 2.1 Elements of a substation
00:15:30 2.2 Location selection
00:17:04 2.3 Design diagrams
00:21:17 2.4 Automation
00:23:05 2.5 Insulation
00:24:27 2.6 Structure
00:25:48 3 See also
00:26:26 4 References and further reading



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SUMMARY
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A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages.
Substations may be owned and operated by an electrical utility, or may be owned by a large industrial or commercial customer. Generally substations are unattended, relying on SCADA for remote supervision and control.
The word substation comes from the days before the distribution system became a grid. As central generation stations became larger, smaller generating plants were converted to distribution stations, receiving their energy supply from a larger plant instead of using their own generators. The first substations were connected to only one power station, where the generators were housed, and were subsidiaries of that power station.