Online frequency and power factor measurement
based on FPGA
Abstract: This design realizes primarily is on-line diagraph that charged barbed wire net to base on programmable logic machine piece( FPGA) frequency and power factor.It used the method of Up-down. Firstly choose devices to measure and examine the charged barbed wire net’s signal,to measure the signal , amplify , strain wave , compare. Then realize the on-line diagraph that charged barbed wire net with the piece FPGA . In the digital measuring adopt the VHDL to program and design.This system based on the piece FPGA to make the center of controlling.It makes the whole system simplified very much. At the same time it also can reach the same technical indicator. The flexible scene can altering, can dispose ability again, very convenient to various kinds of improvement of the system. Having a high speed, accurate, reliable, such advantages as anti-interference is better and programmable with the scene.
Key words: FPGA; VHDL ;Frequency; Power factor