Method for designing internal interface of real-time emulator of active power distribution network based on multi-FPGA (field programmable gate array)

Abstract

A method for designing an internal interface of a real-time emulator of an active power distribution network based on multi-FPGA (field programmable gate array) comprises the following steps: 1) downloading information of each subsystem into the corresponding FPGA and initializing parameters of the internal interface; 2) setting emulation time t to be equal to 0 and starting emulation; 3) propelling the emulation time forwards by one step length, wherein t is equal to t plus delta t; 4) performing emulation calculation on each FPGA; 5) after performing serialization and channel distribution on to-be-transmitted data of each FPGA, converting the data into high-speed serial data by a high-speed transceiver and transmitting to the target FPGA; 6) receiving the high-speed serial data and converting into parallel data by the high-speed transceiver to further complete data splicing and deserialization; and 7) judging whether the emulation time reaches emulation ending time or not, ending emulation if the emulation time reaches the emulation ending time, otherwise, returning to the step 3). By the method, correctness and high efficiency of data communication in the emulator are realized while stability and universality of the internal interface of the emulator are guaranteed, and foundation is laid for real-time emulation of the active power distribution network based on multi-FPGA.

Description

technical field [0001] The invention relates to an interface design method of a real-time simulator of an active distribution network. In particular, it relates to a method for designing an internal interface of a real-time simulator of an active power distribution network based on multiple FPGAs. Background technique [0002] With the massive access of various resources on the distribution side such as distributed power sources, energy storage devices, and microgrids, the organizational structure and operating characteristics of active distribution networks have undergone major changes. The new characteristics of the active distribution network make it quite different from the traditional distribution system in terms of planning and design, operation optimization, protection control, simulation analysis, etc. At the level of simulation analysis, various distributed power sources, energy storage, power electronic devices and other new equipment widely connected to active po...

AI Technical Summary

Problems solved by technology

Real-time simulators based on serial processors are limited by the signal processing speed and physical structure, and the real-time simulation computing power is relatively limited. At the same time, the data transmission delay between multiple processors limits the choice of simulation step size.

Images