STATCOM based on direct current control reference -

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STATCOM based on direct current control reference current testing and implementation

The system should also have a hardware diagnostic and self-recovery, namely the establishment of surveillance programs run. Online diagnosis of running the program At the same time gives the If the short period of time accumulated (3) analog input signal preprocessing and signal interconnect technology. The small business field there due to the strong magnetic field is usually the opening and closing machine, for signal transmission in the near disruption of power cable, do not want is the thermocouple effect, ground potential causes poor noise source. Signal preprocessing system designers must take measures and adopt a reasonable signal to noise limit connectivity to allow the range to make the data acquisition and processing device can adapt to various working environments. Such as signal filtering,[link widoczny dla zalogowanych], commonly used in the analog input channels plus the input RC low-pass filter can be achieved very good results; the input of the filter with overvoltage protection circuit to prevent malfunction due to maintenance personnel in series high damage components; thermocouple signal should have disconnected checking,[link widoczny dla zalogowanych], in case of non-signal acquisition and processing signals; in the signal source to ask where strong common mode interference can be between the signal and the signal source and a computer room transformer for isolation and other measures to isolate components of programs, and so on. (4) device inside the ground. Device should be set within two floating ground plate, namely, computer and computer logic to protect the land. The former internal logic supply data acquisition device, the external dedicated ground network. Equipment, shielding the latter,[link widoczny dla zalogowanych], external plant land. 4 Conclusion In this paper, computer monitoring system Geheyan Hydropower Plant,[link widoczny dla zalogowanych], for example, illustrates the impact of computer monitoring system, reliable operation of hydropower plant universal factors, and the reliability of hydropower technology to improve monitoring system measures proposed countermeasures. If the operation of the power production to solve these problems, then the computer monitoring system reliability will be greatly improved and will also run in electric power production to play a greater role. Mouth

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