1100kV GIS设备的分段绝缘试验方法

Segmented Insulation Test Method for 1100 kV GIS Equipment

提出一种用于特高压泉城站1100kV气体绝缘组合电器(GIS)的分段绝缘试验方法。首先,分析主回路绝缘试验方法,详细阐述试验原理、加压程序、试验步骤和试验结果的判定方法。然后,基于电气主接线图提出试验的分段方法。最后,给出试验的估算方法,包含各试验阶段的估算值、试验容量估算值和电缆选择。所提出的方法能够为特高压泉城站1100kVGIS设备的主回路绝缘试验提供参考。

A segmented insulation method for 1 100 kV gas insulated switchgear （GIS） equipment in Quancheng ultra-high voltage （UHV） substation is put forward. First, the insulation test method of the main circuit is given and then the test principle, voltage program, test procedures and the test result determination method are explained in detail. Then, the segmentation method is presented based on electrical wiring diagram. Finally, the estimation method of the insulation test is outlined, including estimation in each test step, the test capacity estimation and the cable selection. The proposed method is efficient and reliable to accomplish the insulation test method of the main circuit for 1 100 kV GIS equipment in Quancheng substation.