What are the distribution modes of low-voltage distribution system? What are the advantages and disadvantages?

Radial distribution, trunk distribution.

1. Advantages: The radially distributed loads receive electricity independently and do not affect each other. When a line fails, it will not affect the normal power supply of the line. Trunk power supply is adopted for trunk power distribution, so there is no need to lay a large number of cables and switch cabinets, which saves costs.

2. Disadvantages: Radial type requires more cables, switch cabinets and power distribution equipment. Trunk type When the trunk line fails, it will affect the power supply of multiple loads.