SF6 Leak Alarm Monitoring Technology for LoRa-based Gas Insulated Switchgear
编号:147
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更新:2022-05-17 09:47:37
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摘要
Effectively monitoring the sulfur hexafluoride (SF6) gas leakage of a gas-insulated Switchgear is important to ensure the safety of substation staff and the environment. At present, the SF6 leak alarm device needs to connect the power and communication lines to transmit the monitoring data of sensor module to the host. However, some drawbacks, such as difficulty in installing the monitoring module, immovability, and difficulty in maintenance, are encountered in this process. In this study, a SF6 leak alarm monitoring technology based on long range technology is proposed and developed, and relevant tests are conducted. LoRa transmission effective of 100%, and the measurement error of oxygen sensor and SF6 sensors are within ±1% and ±2%. Test results show that the test parameters of the proposed device meet the test requirements in this field.
关键词
Gas insulated Switchgear (GIS); LoRa; SF6 leakage; Online monitoring; Sensor
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