What is electrical Distribution System?

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What is electrical power distribution systems?

The distribution system is the part of an electric system after the transmission system that is dedicated to delivering electric energy to an end-user.

Electric power distribution is the final stage in the delivery of electric power; it carries electricity from the transmission system to individual consumers. The network of lines that carries electricity from distribution substations to the homes of the consumer is called distribution lines. The distributed electricity is then used by the consumer.

Difference between Power Transmission and Power Distribution

Transmission and distribution refer to the different stages of carrying electricity over poles and wires from generators to a home or a business.

The primary distinction between the two is the voltage level at which electricity moves in each stage. Transmission is the “interstate highway” of electricity delivery. It refers to the part of electricity delivery that moves bulk electricity from the generation sites over long distances to substations closer to areas of demand for electricity. If the transmission is the interstate highway of the grid, distribution is the city street. It is the last leg of the delivery of electrical power from generation to the consumer. Power travels on the distribution system at a voltage level that can be delivered directly to a home or business.

Distribution System Types

Schneider Electric offers different distribution systems to fit your operating needs

Centralised Distribution Systems

■ For all continuous processes:

cement plants,
oil and gas,
petrochemicals,
steel,
paper, etc.

■ Centralised distribution system offers:

continuity of service,
combined distribution of power, control and monitoring circuits,
supervision, etc

Decentralised Distribution Systems

■ For manufacturing industries:

mechanical,
textiles,
lumber,
injection moulding,
electronics,
pharmaceuticals,
livestock, etc.

■ Decentralised distribution system lets you:

design installations without layout details,
upgrade without shutting down production,
get systems up and running sooner thanks to faster installation,
generate savings depending on the number of load

Combined Distribution Systems

Where the advantages of both centralised and decentralised distribution are required.

■ Commercial and service buildings:

offices,
stores,
hospitals,
exhibition halls, etc.

■ Infrastructures:

airports,
telecommunications,
data centres,
tunnels, etc.

■ Industrial facilities:

pharmaceuticals,
food processing, etc

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