Wideband online measuring system for corona current of high-voltage transmission line
A high-voltage transmission line and corona current technology, applied in signal transmission systems, digital measurement technology for measurement, instruments, etc., can solve the problems of difficult and flexible application, complicated manufacturing and installation of insulation devices, and high cost, and achieve strong flexibility , the effect of easy installation
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[0022] The broadband online measurement system for corona current of high-voltage transmission lines proposed by the present invention has a structural block diagram such as figure 1 Shown, including;
[0023] The remote unit is used to collect the corona current I of the high-voltage transmission line, and convert the corona current I to a digital signal after analog-to-digital conversion. The digital signal is transmitted to the local unit via radio waves. The remote unit is installed in High-voltage transmission lines;
[0024] The local unit is used to receive the digital signal from the remote unit and send the digital signal to the terminal computer;
[0025] The terminal computer is used to receive the digital signal of the local unit, display the corona current waveform of the high-voltage transmission line, and store it to complete the data storage and analysis.
[0026] The remote unit in the above broadband online measurement system includes:
[0027] The protection circuit ...
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