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      2. Home >  Main Business >  Testing Services
        High-voltage Switchgear Equipment

        EETI has established domestic advanced high voltage and large capacity testing laboratory, and can provide clients with product certification testing, quality supervision and inspection, commissioned test and technical evaluation testing service for high-voltage switchgear and control gear.

        In the high voltage electrical testing field, EETI, for the very first time in China, has adopted high current test power source with a measurement and control system combined with several groups of large capacity impulse generators and 220kV grade high-voltage test special lines, which can meet large capacity electrical power source required by carrying out 35kV, 220kV and 550kV, 1200kV(under building) and various levels of high-voltage electrical short circuit tests. This testing system has the advantage of flexibly adjusting test voltage and testing current according to the requirement of tested products. Also EETI can meet the test requirements of a wide variety of different client groups, and greatly shorten test cycles and improve the efficiency of providing test reports.

        • Detection capability
        • Goods and services in the field
        • Direct Test—three-phase 40.5kV/50kA、24kV/80kA、12kV/250kA、AC420V/500kA、DC440V/320kA

          High current test---long-term thermal current 35kA

          High voltage insulation test—550kV, 1200kV

          Synthetic Test: 550kV 63kV full pole

          Three-phase: 252kV 63kA and below

          Three-phrase synthetic test: 1200kV/150kA(WIP)

          Capacitive current making and switching test:------40.5kV and lower three-phase back to back 2000A,72.5kV ~ 252kV single phase back to back 2000A

          Power-frequency withstand voltage---2400kV

          Impulse withstand voltage—7200kV

        Suzhou Electrical Apparatus Science Research Institute Co.,Ltd.
        Address: No.5 Qianzhu Road, Yuexi, Wuzhong District, Suzhou 215104, CHINA
        Branch Address: No. 7 Yonghe Street, Binhe Road, New District, Suzhou 215011, CHINA
        Phone: +86-512-69551355
        Email: eservice@eeti.cn
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