摘要
对谐波信号进行频谱分析是电力系统谐波检测中一项重要任务,精确的谐波检测是维护电网正常运行的前提。为实现谐波频谱数据的实时输出,设计了基于FPGA芯片的按频率抽取的基-2FFT算法。整个设计基于Verilog语言进行模块化设计,采用Stratix II系列FPGA芯片作为逻辑控制器,并使用Quartus II和Matlab软件工具仿真验证,仿真结果表明系统能实时准确地检测出谐波,对电网谐波分析与运行具有一定的实用价值。
Spectrum analysis of harmonic signal is an important task in the harmonic detection of power system and the accurate harmonic detection is the precondition of maintaining normal operation of the power network. For the achievement of real time output of harmonic spectrum,the base 2-FFT algorithm based on FPGA chip and extracted in accordance with frequency is designed. The complete design is subject to modular design based on the Verilog language ,the Stratix Ⅱ series FPGA chip is used as the logic controller and the simulation verification is performed by the Quartus Ⅱ and Matlab software sim- ulation tool. The simulation result shows that the system can real-time detect harmonics accurately and has a certain practical value for the harmonic analysis and operation of power grid.
出处
《电力电容器与无功补偿》
北大核心
2016年第6期100-104,共5页
Power Capacitor & Reactive Power Compensation
基金
国家自然科学基金(61104028)
