GFR2D12100

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GFR2D12100 is a high-voltage, full-uplink digital line pre-distortion correction unit in the current digital static synchronous compensator (D-STATCOM) field. It is used for compensation in the transmission line where the transmission distance is long and the time delay is large, and it can significantly reduce the current harmonic distortion caused by the cascade line with phase delay. As a type of high-performance power line current delay compensator, GFR2D12100 can effectively eliminate the harmonic current of the power line, and improve the voltage waveform of the receiving end.

GFR2D12100 application field is mainly used for the following occasions:

• High-voltage transmission line current delay and power transfer compensation;
• Improve the quality of the distribution system and reduce harmonic distortions
• Compensation for long-distance current and voltage harmonics generated by variable speed generator set.
• Flickering effect compensation of power systems

GFR2D12100 working principle is based on the TMS320F2407 DSP controller. It uses DSP controller to sample and calculate the power signal, and then send it to the pre-distortion circuit, so that the pre-distortion circuit can accurately adjust the compensation current. It is this pre-distortion current that compensates for the distortion of the transmission line and improves the waveform distortion of the transmission line.

GFR2D12100 application can be divided into two steps, one is looking for distorted signal and the other is correction. When there is an abnormal signal in the power line, GFR2D12100 will detect this kind of distortion in time, and then supplement and correct the distortion in time according to the given correction method. The process of looking for distorted signal involves the sampling of the power signal, the algorithm analysis of the abnormal signal, the identification of the abnormal signal source, and the tracking of the abnormal signal. After the distorted signal is found, GFR2D12100 will take corresponding compensation measures according to the analysis result, so as to reduce and eliminate the distortion of the transmission line.

GFR2D12100 has a variety of control methods. It supports linear predictive programming, feedback control, pre-distortion correction and so on. According to the different characteristics of the power system power line, GFR2D12100 can choose the best compensation scheme, so as to achieve the best compensation effect.

GFR2D12100 is a type of advanced compensation device. It has the characteristics of fast sampling speed, high efficiency, small size and stable performance. Its application mainly includes high-voltage transmission line current delay and power transfer compensation, improvement of distribution system quality, elimination of long-distance current harmonics caused by variable speed generator set, flickering effect compensation of power systems, etc. In addition ,it also has many control methods. All these make GFR2D12100 widely used.

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