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铁道部电化工程局电务设计处根据现场工人创造的不停电电缆测试原理,试制成功利用继电器的顺序动作,完成电缆对地绝缘和线间绝缘的组合式电缆绝缘测试盘。组合式电缆绝缘测试盘采用11台安全型继电器JWXC_1-1700,组成一个组合(取消一块侧面端子板),安装在组合架上。测试盘由双刀双钮子开关、24伏表示灯及兆欧表组成,安装在组合架或分线盘上。测试可分自动测试和手动测试两种。
According to the uninterruptible power cable test principle created by the workers in the field, the trial manufacture successfully utilized the sequence operation of the relay to complete the combined cable insulation test disc for the insulation of the cable to the ground and the insulation between the cables. Modular cable insulation test tray with 11 safety relays JWXC_1-1700, form a combination (to cancel a side terminal board), mounted on the combination of rack. Test disc by the double-pole double-button switch, 24-volt light and megger table, mounted on the composite rack or sub-plate. Test can be divided into automatic test and manual test two.