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Research on Key Technologies for Measuring the Recovery Rate and Gas Measurement of SF6 Gas On-site Maintenance Surface
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Research on Key Technologies for Measuring the Recovery Rate and Gas Measurement of SF6 Gas On-site Maintenance Surface
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Research on Key Technologies for Measuring the Recovery Rate and Gas Measurement of SF6 Gas On-site Maintenance Surface
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Conference Proceeding
Research on Key Technologies for Measuring the Recovery Rate and Gas Measurement of SF6 Gas On-site Maintenance Surface
2023
Overview
Carrying out full lifecycle management of SF6 gas recovery, purification, and recycling, developing new digital control technologies, and eliminating SF6 gas emissions from the source are of great significance for achieving the “dual carbon” goal. Given the low level of digital control of SF6 gas at present, especially in the situation, the SF6 gas recovery rate, the effective volume of the gas chamber, and gas weight cannot be accurately measured at an on-site inspection surface, this paper carries out research on SF6 gas recovery rate measurement at on-site inspection surface and key technologies of gas measurement. An intelligent online monitoring device such as SF6 gas recovery rate and effective chamber volume of high voltage electrical equipment was developed, which can quickly identify SF6 gas density, recovery rate, effective chamber volume, weight, and other parameters in high voltage electrical equipment, and evaluate the detection methods such as gas recovery rate and effective chamber volume. The results show that when the recovery rate was about 96.5%, the maximum positive deviation between the recovery rate measured by the detection device and that measured by the weighing method was 0.32% and the maximum negative deviation was -0.24%, both of which are less than 0.50%. When the container to be tested was 1000 L, the maximum indication error was -1.51%, which can meet the requirements of digital control in the SF6 gas recycling and reuse process of high-voltage electrical equipment.
