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Electrical Safety Program
Electrical Safety Program

... Interlock. An electrical, mechanical, or key-locked device intended to prevent an undesired sequence of operations. Isolating Switch. A switch intended for isolating an electric circuit from the source of power. It has no interrupting rating, and is intended to operate only after the circuit has bee ...
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Distributed Control of Inverter-Based Power Grids
Distributed Control of Inverter-Based Power Grids

... Electrical power is the bedrock of modern civilization, and the large-scale hierarchical structure of bulk generation, transmission, and distribution has served us well for more than one hundred years. Currently however, the landscape of energy production is shifting, as economic, environmental, and ...
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Electrical substation



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.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.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. 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.
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