Fpga-based Electrical Energy To Focus On Research And Design, Acquisition System

Along with science's and technology's development, the electrical energy demand increases day by day, and the existence question of the electrical energy gathering are also getting more and more in the building of residence and the apartment and so on.However the commonly used electrical energy gathering plan often takes the microcomputer or digital signal processor (DSP) as controller. As the controller, it controls the analog to digital converter (ADC), the memory and other peripheral circuit's work. But because the microcomputer is affected by own instruction cycle and processing speed influence, it is difficult to meet the multi-channel high speed data gathering system's request. DSP may realize the high speed data acquisition, but raising its speed, the system also increases the cost.Field Programmable Gate Array (FPGA) is characterized by the high clock rate, the internal small delay, the speed and efficient. The FPGA flexible forms can be integrated in the external control, coding and the interface circuit. FPGA is better than microcomputer and DSP with the high-speed data acquisition. This article is a multi-user system electrical energy on collecting based on FPGA.This article briefly introduces the electrical energy development process. Aimed at induction watt-hour meter and full electronic watt-hour meter, this article compares and analyzes the basic principle of electric energy measurement. The multi-user system electrical energy on collecting is based on FPGA, it analyzes structure of the electrical energy measuring IP, and it introduces the principle of the filter in the IP.The stress of the article is that it analyzes the electric energy collection system and filter. The filter include the Finite Impulse Response (FIR) filter and the Infinite Impulse Response (IIR) filter. Every module is designed by the VHDL method, and it is designed and simulated in the MATLAB and the Quartus II.