nader NDM3EU-400 Operating Instructions Manual page 14

文件编号
Doc. No.
司不能负责。
User should use internal and external accessories provided by Nader so as to endure their
quality; Nader should not be held reliable for purchase of accessories from other companies or
authorized modifications.
在执行维护操作前，必须先完成下列操作：
Follow following steps before conducting maintenance:
（1）使断路器分闸；
(1) Open the breaker;
（2）断开电源与断路器的连接（包括主电路、辅助电路） ；
(2) Disconnect power supply and breaker (including main circuit and auxiliary circuits)；
（3）将断路器从安装位置上卸下（一般用于插入式，固定式推荐也如此） 。
(3) Remove the breaker from its installation position (normally for plug-in installation; it is
recommended to do so for a fixing one).
断路器维护在正常操作条件下每年一次，在非正常条件下每半年一次，以下为维护内容：
Maintenance of breaker is carried out yearly under normal use and every six months under
abnormal use. The maintenance includes following procedures:
（1）再扣断路器，合、分断路器，在断路器合闸时用脱扣按钮使断路器脱扣，往复操作 5 次，断
路器应能可靠进行再扣、合、分、脱扣动作；
(1) Re-trip the breaker, close and open the breaker, use trip button to trip the breaker when it
is closed; repeat for 5 times to check that the breaker can reliably re-trip, open, close and trip;
（2）清除断路器表面及连接处的灰尘（用清洁、干燥的抹布擦拭） ；
(2) Clean dust on breaker surface and connections (wipe with clean and dry cloth);
（3）清洁隔弧板，如必要则需要更换隔弧板；
(3) Clean the flash barrier; replace it if necessary;
（4）绝缘测试（见 6.1）;
(4) Carry out insulation test (see Section 6.1);
（5）检查所有连接情况，用砂布擦除氧化物，用可溶解剂清洁，拧紧螺栓和螺母；
(5) Check condition of all connections. Wipe away oxidations with abrasive cloth and clean with
soluble agent. Screw bolts and nuts tight;
（6）控制器整定值与报警故障灯显示功能测试：应使用我公司的
器的 TEST 端口连接，检验各个设定参数，以保证参数设定与旋钮指示一致；
(6) Test of controller setting values: use a tester specialized for
connect with TEST terminal of the breaker. Check setting of each parameter to ensure that
parameter setting is consistent with knob indication;
（7）如果断路器还装有其它内、外部附件，应逐一检查各个附件，以确保其处于正常工作状态。
（按照 7 附件说明 详细内容进行测试）
(7) If other internal or external accessories are installed in the breaker, check them one by
NDT2920257
Edition
2019.12.31
文件控制
第 2 版
版次
Version 2
13
实施日期
Implementation date
NDM3EU 专用测试仪器与断路
NDM3EU provided by Nader to
2019-08-19