Joint test system and test method for partial discharge and breakdown under wide temperature range and variable air pressure

Through the integrated wide temperature-domain variable air pressure testing system, the sealing and safety problems of the existing test systems in extreme environments are solved, and the integration and efficient evaluation of local discharge and breakdown tests are achieved, which is suitable for insulation performance testing under complex operating conditions.

CN120405342APending Publication Date: 2025-08-01HARBIN UNIV OF SCI & TECH
9 Cites 5 Cited by

Patent Information

Application Number
CN202510527683.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

The existing test systems cannot conduct joint testing of local discharge and breakdown in a wide temperature range and variable air pressure environment, and there are insufficient sealing and safety risks, resulting in large deviations from the actual environment, complex testing procedures and high cumulative errors.

Method used

It provides a highly integrated joint test system for partial discharge and breakdown under variable air pressure with wide temperature range, including vacuum oven, partial discharge and pressure-resistant breakdown joint test module, explosion-proof cable joint and control module, with temperature and air pressure adjustment capabilities, and realizes the integration and safety improvement of partial discharge and breakdown test.

Benefits of technology

It realizes efficient electrical performance evaluation of insulating materials or devices in extreme environments, improves testing accuracy and safety, reduces errors, and is suitable for insulation performance testing under complex operating conditions.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses a partial discharge and breakdown combined test system and test method under wide temperature range and variable air pressure, which are suitable for evaluating the insulating properties of insulating materials, cables and power equipment under high and low temperature and different air pressure conditions. The system comprises a vacuum oven, a partial discharge and withstand voltage breakdown joint test module, an explosion-proof cable joint, a control module and a detection module, the vacuum oven can realize temperature regulation and control from-70 DEG C to + 200 DEG C and an air pressure environment of 10 <-3 > Pa, and the test module integrates a high voltage generator, a coaxial electrode and a partial discharge sensor. Partial discharge detection and breakdown voltage measurement can be completed in the same test environment. According to the test method, the electrical response characteristics of the insulating material under different working conditions are obtained through regulation and control of environment temperature and pressure, execution of a test process and data acquisition and analysis. The device is compact in structure and high in safety, and has the capabilities of joint testing, high-precision regulation and control and adaptability to complex environments.
Need to check novelty before this filing date? Find Prior Art