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A circuit is an intentional close-looped path through which electrons move to provide energy. As you can see in the illustration, the...
A circuit breaker, sometimes simply called a breaker, is an electrical switch that can be automatically or manually operated and reset....
The electric transmission and distribution systems require equipment to protect against a wide variety of electrical conditions that can...
The citygate is the intersection between the mainline transmission system owned by a natural gas transmission or pipeline company and the...
A closure is a cap that threads or clamps at the open end of pipe. When blowdown stacks are installed in gas pipeline systems, a closure...
The ready availability of low-cost coal historically made coal-fired generation a favorite of many utilities around the world. Most...
A coal steam turbine burns coal to create steam. Here's how this process works: Since coal typically arrives at a power plant via barge...
Cogeneration (which is a form of combined heat and power) uses a single fuel source to create two forms of energy: typically electricity...
Coincident peak demand is the demand of a customer or group of customers at the time of the electric or gas system’s peak demand. The...
Combined heat and power, or CHP, is the concurrent production of useful thermal energy (heating and/or cooling) and electricity or...
A highly efficient way to use gas to generate electricity is to combine a gas combustion turbine with a steam turbine in a power plant...
Compressors and related equipment on a gas transmission system are contained in compressor stations. Stations consist of one or more...
Concentrated solar power (CSP) technology uses the energy in sunlight in a very different manner. It concentrates sunlight to create...
There are several uses for the term conductor within the electric industry. From a scientific standpoint, a conductor is any material...
Transmission congestion occurs when there is insufficient transmission capacity to simultaneously accommodate all requests for...
A contingency is an unexpected failure or outage of a system component such as generator, transmission line, circuit breaker, or other...
Conventional natural gas is produced from a well drilled into a geological formation in which the reservoir and fluid characteristics...
A key cause of pipe failure in steel pipelines is corrosion. Without proper corrosion protection, every steel pipe will eventually...
A cubic foot, or cf, is the most common unit of measurement of gas volume. One cf of natural gas is the amount of gas required to fill a...
A current transformer (CT) is used to reduce the current or voltage of an electric circuit so that the electric flow can be...
