A Fast Synchrophasor Correction Method
A synchronized phasor and phasor technology, applied to measuring devices, measuring electrical variables, phase angles between voltage and current, etc., can solve the problem of inability to take into account real-time measurement performance, difficult compensation, phasor amplitude, angle Reduced accuracy and other issues, to ensure the real-time communication, improve the effect of computing speed
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[0054] Attached below figure 1 And attached figure 2 , to further elaborate the technical content of the present invention. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0055] Such as figure 1 and figure 2, the present invention provides a kind of quick synchrophasor correction method, and this method comprises the following steps:
[0056] (1) FPGA and CPU are connected by 32-bit or 64-bit parallel bus 1 in hardware, FPGA has an interrupt signal connected to the external interrupt pin of CPU, FPGA is connected to 1PPS signal of standard clock and B code time signal, FPGA passes Parallel bus 2 controls the AD chip;
[0057] (2) Define the sampling configuration register (CONFIG_REG), sampling buffer register (DATA_REG), DFT coefficient original register (DFT_COEF), filter coefficient register (FIR_COEF), and DFT result buffer register (DF...
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