Distributed relay protection testing device and method

The embodiment of the invention discloses a distributed relay protection test device and method, the distributed relay protection test device comprises a test control host and at least two distributed test devices, and the test control host is in communication connection with each distributed test device through a first communication network; wherein the first communication network is a 5G SA network, the distributed relay protection device comprises a relay protection device and at least two interval protection devices, and the relay protection device is in communication connection with the test control host through a second communication network and is in communication connection with each interval protection device through a third communication network. And the interval protection equipment establishes communication connection with the distributed testing devices in a one-to-one correspondence manner through the second communication network. According to the embodiment of the invention, the relay protectio