Power grid partial discharge monitoring equipment based on gas detection

• Main Authors: WANG YING, MA TAO, DENG CONG, YANG BOTAO, XIE QINHU, WANG QIGUANG, XIE WENHUA, MA BOHUI
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention relates to the technical field of partial discharge monitoring, in particular to power grid partial discharge monitoring equipment based on gas detection, which comprises a power supply, a plurality of monitoring devices, an alarm and a remote host, the monitoring devices are arranged on a cable at equal intervals, and a gas sensor is sequentially connected with a gas sensor, a signal amplifier, an A/D conversion module and a microprocessor of the monitoring devices; the microprocessor is connected with an alarm and a remote host through a network; the gas sensor is used for detecting gas generated by high temperature of the rubber part due to partial discharge; the signal amplifier amplifies the detection signal, filters the amplified signal and transmits the filtered signal to the A/D conversion module; the A/D conversion module converts the detection signal into an electric signal and feeds the electric signal into the microprocessor; and the microprocessor calculates the received electric si