Patent ID: 11894180
Assignee: SUZHOU APPARATUS SCIENCE ACADEMY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 1:
2. The capacitive voltage transformer according to claim 1, wherein each of the volume matching devices is a corrugated expander, the corrugated expander comprises: a corrugated upper part, a gas-retaining part, and a corrugated lower part, the corrugated expander is connected to the breathing regulator on the upper cover plate or the lower cover plate;
alternatively, each of the volume matching devices comprises: an adjustable container and a pressure-adjusting plate that is capable of lifting up and down and is arranged in the adjustable container, the pressure-adjusting plate divides the adjustable container into an oil chamber and a gas chamber, a surface of the oil chamber is provided with a plurality of through holes for the oil chamber to communicate with the accommodating chamber, the gas chamber is filled with gas, and the gas chamber is connected to the breathing regulator on the upper cover plate or the lower cover plate;
alternatively, each of the volume matching devices is a deformable container, the deformable container comprises: a fixed frame and a deformable part arranged on the fixed frame, the deformable container is filled with gas, and the deformable container is connected to the breathing regulator on the upper cover plate or the lower cover plate.