Transient ground electric wave and ultrasonic wave integrated partial discharge sensing device

• Main Authors: SU HAI, WU WEI, ZHANG ZHONGDA, XU LIUTING
• Format: Patent
• Language: Chinese; English
• Published: 10.01.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model discloses a transient earth electric wave and ultrasonic wave integrated partial discharge sensing device, which relates to the technical field of partial discharge, and comprises a switch cabinet body, a discharge source is arranged in the switch cabinet body, a switch cabinet gap is arranged at the side edge of the switch cabinet body, a support bottom plate is fixed at the bottom of the switch cabinet body, and the support bottom plate is fixed at the bottom of the switch cabinet body. A switch cabinet grounding impedance is arranged between the supporting bottom plates and is grounded, a supporting plate is fixed to the side edge of the switch cabinet body, a TEV detector is arranged on the supporting plate through a connecting cabinet body, a capacitive sensor is arranged on the connecting cabinet body, and the switch cabinet body is made of metal. And the connecting cabinet body is fixed on the supporting plate through a fixing structure. The device can be widely applied to internal in