Novel relay protection device analog quantity acquisition module

The utility model provides a novel relay protection device analog quantity acquisition module which comprises an AD conversion module, the AD conversion module is connected with a mutual inductor through a filter, the AD conversion module is connected with an FPGA module through an SPI bus, the input end of the SPI bus is connected with the AD conversion module, the output end of the SPI bus is connected with the FPGA module, a control circuit is connected between the AD conversion module and the FPGA module, and the control circuit is connected with the FPGA module. The input end of the control circuit is connected with the FPGA module, and the output end of the control circuit is connected with the AD conversion module; the AD conversion module and the FPGA module are connected with the power supply module. The novel relay protection device analog quantity acquisition module provided by the utility model has diagnosis and monitoring characteristics including reset detection, overvoltage monitoring, undervol