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A transmission management system, commonly called a TMS, is a suite of software tools used by system operators to monitor and manage the...
A key consideration in operating transmission is to avoid outages. Transmission outages can be caused by a variety of reasons including...
In markets where the system operations function has been moved to an Independent System Operator (ISO), the term transmission owner, or...
Gas transmission line pipe is typically 12 to 48 inches in diameter and constructed of 1/4- to 3/4-inch thick steel. Laterals off the...
Transmission rights are used by generators and/or marketers to ensure delivery of power to a point of sale. Given the current state of...
Transmission substations connect two or more transmission lines. In the case where the lines have the same voltage, the substation may...
A turbine is a machine in which the kinetic energy of a moving fluid causes a series of blades to spin, thus converting kinetic energy to...
An energy flow diagram shows the movement of energy used by a specific consumer or set of consumers from source to usage. In the example...
The natural gas delivery chain comprises three sectors: upstream (generally associated with the production aspect of the industry),...
Valves are required along the gas delivery system so that sections of the system can be isolated and shut down in the event of a leak or...
A VAR is a unit of measurement of reactive power. VARs occur when AC electric currents and voltage are not in phase. Current and voltage...
Bulk electric systems are operated to maintain voltage within specific predefined ranges. But with the occurrence of certain system...
Voltage regulators are adjustable step-up or step-down transformers that help maintain adequate voltage on long distribution lines. For...
Water turbines are used in hydroelectric power plants to convert the kinetic energy in flowing water to the mechanical energy of a...
A wind farm is a group of wind turbines that generate electricity in a common location. A wind farm may also be called a wind power...
A wye distribution line describes a specific configuration of a three-phase line. If a system designer has specified a three-phase line,...
There are generation technologies other than renewable generation that can provide energy without emissions. To recognize these, some...