What is electricity transmission?
Electrical transmission is the technical name of the movement of mass electricity from places generating power to local subsystems. This designation separates it from the distribution of electricity, the name of force, when it moves from local subsystems to customers. There are several methods to move energy from one place to another, but the most common are overheads that are owned by the Society for Energy Distribution. Because it is impossible to actually store electricity for a long time, one of the key points for the transmission of electrical power corresponds to the energy supply for energy demand.
In most cases, the power lines that are used to transmit electrical power can be easily detected. These are electric lines that are stronger and higher than the standard pole lines. The electrical power transmission range is often supported by a metal pole or a metal grid rather than a standard wooden pole. These lines are occasionally buried underground, especially in urban, but relative costs and potentialThe risks of underground lines reduce this practice.
The main line of electrical power transmission is built differently than standard power lines. The internal conductor is more of an aluminum than copper. This makes the line lighter and cheaper without sacrificing energy conductivity. The conductive strands are sometimes intertwined with steel wires to increase their strength, but it is usually done only in areas where the line will be under constant stress. The wires are non -insulated, so they are placed so high in the air.
Most electrical power transmission is performed using a three -phase AC current. This type of energy transmission works well for shorter distances, but requires very expensive hardware. A single -phase alternating current is common when the strength goes directly to the consumer, such an electrified transport system rather than a local subsystem. At long distances or when sending a cable with water is preferred methodsand direct current with high voltage.
The biggest point of concern for the electrical power transmission system is to adapt the supply and demand for energy. It is necessary to use all the power sent to the power grid. If this is not the case, this may result in overload and power outages at the weakest point in the distribution chain. If the grid requires more energy than it is supplied, the results of the outage in areas with high use.
To combat this problem, most energy grids use several redundant electrical power transmission methods. The strength has other grids on which it can jump if necessary, and there are several different places from which the local grid can draw energy. This means that if one grid has too much or too little energy, it can match adjacent systems. If this system is overloaded, the results are often a large blackout sometimes result in thousands or even millions of people without power.