Centralized relay protection and fault recovery system and method

The invention relates to the field of power distribution network relay protection and fault recovery, and discloses a centralized relay protection and fault recovery system, which is applied to a power distribution line, and comprises a power distribution network main station and a power distribution acquisition terminal, and the power distribution network main station is electrically connected with an in-station switch of the power distribution line; the power distribution acquisition terminals are electrically connected with section switches or interconnection switches of a power distribution line in a one-to-one correspondence manner, and the distribution network master station communicates with the power distribution acquisition terminals through a wireless communication network; and the distribution network master station is used for acquiring the fault information acquired by the distribution acquisition terminal, controlling the corresponding section switch to disconnect the power supply of the fault p