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Time of issue:2021-12-02 12:05:45
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The main equipment of 220kV urban substation includes: 2 main transformers, 220kV GIS adopts single bus and double sections (4 outgoing lines (1 phase and 3 outgoing lines), 2 main transformer intervals, 1 subsection interval, 2PT interval), 35kV outgoing line 8 circuits (5 circuits in Phase 1), 14 circuits of 10kV outgoing lines adopt single busbar and double sections. The online monitoring system of 220kV urban substation mainly monitors the status of main transformer and 220kV GIS. The monitoring items of the main transformer include: online monitoring of dissolved gas and micro-water in oil, partial discharge monitoring, online monitoring of working condition information (top oil temperature, bottom oil temperature, load current, core ground current); monitoring items of 220kV GIS include: Partial discharge monitoring, on-line monitoring of circuit breaker operating characteristics, on-line monitoring of SF6 density micro-water, on-line monitoring of full current, resistive current and operating times of arrester leakage current.
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韦弗斯检测技术

Service Line:400-668-3536
Robte : 13585763546
Tel:+86-21-60195869
E-mail:SF6@winfoss.com

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Time of issue:2021-11-25 13:36:06

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