电气设备绝缘配合，依据国家行 . 翻译
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中文 】
电气设备绝缘配合，依据国家行业标准DL/T620—1997《交流电气装置的过电压绝缘配合》确定的原则进行。
各级电压等级的氧化锌避雷器按GB1032-2000《交流无间隙金属氧化锌避雷器》及DL/T804-2002《交流无间隙金属氧化锌避雷器的使用导则》中的规定进行选择。
根据《××省电力系统污区分布》（2008年），燕山大学西校区地处Ⅱ级污秽区。
110kV户外电气设备的外绝缘泄漏比取2.5cm/kV（系统最高运行电压），35kV、10kV户外电气设备外绝缘泄漏比取3.1cm/kV（系统最高运行电压），35kV、10kV户内电气设备外绝缘泄漏比取2.5cm/kV（系统最高运行电压），10kV穿墙套管和支柱绝缘子选用20kV户外电气设备的爬电比距，变压器套管外绝缘水平按Ⅳ级选取。
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英语 】
Insulation coordination of electrical equipment is carried out according to the principle determined by the national industry standard DL/T620-1997 "Overvoltage Insulation Coordination of AC Electrical Devices".
Zinc oxide arresters of all voltage levels are selected according to the provisions of GB1032-2000 "AC Gapless Metal Zinc Oxide Arrester" and DL/T804-2002 "Guidelines for the Use of AC Gapless Metal Zinc Oxide Arresters".
According to "Distribution of Pollution Zone in * Provincial Power System" (2008), the West Campus of Yanshan University is located in Grade II Pollution Zone.
The ratio of external insulation leakage of 110 kV outdoor electrical equipment is 2.5 cm/kV (maximum operating voltage of the system), the ratio of external insulation leakage of 35 kV and 10 kV outdoor electrical equipment is 3.1 cm/kV (maximum operating voltage of the system), the ratio of external insulation leakage of 35 kV and 10 kV indoor electrical equipment is 2.5 cm/kV (maximum operating voltage of the system), and the creepage ratio of 20 kV outdoor electrical equipment is selected for 10 kV through-wall bushing and post insulators. The outer insulation level of transformer bushing is selected according to grade IV.