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隔离开关安装注意事项有哪些谁知道?

浏览:43次 | 提问时间: 08-06 11:46
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3个答案
情天长恨 08-06 11:46

1.按设计要求,在指*置预埋好开关座的底脚螺栓和*作机构的支架。用人力或起吊工具将开关本体吊到安装位2,用水平仪找正、找平后将其紧固。         2.配置延长轴。若开关的联动轴需要延长时,可加装延长轴。延长轴用轴套与开关传动轴相连接,并应增设轴承支架支撑,支持轴承间的距离,不应大于lm。在延长轴末端100mm处,也应安装轴承支架。            3.安装*动机构。先将*动机构固定在支架上,然后按传动轴的位It   f固定*作杆的长度,并在*作相的两端焊上直径为12^-16mm、长75^-100mm的螺栓,以便于调节*作杆的长度。         4.将开关底座及*动机构接地。            艾驰商城是国内最专业的MRO工业品网购平台,正品现货、优势价格、迅捷配送,是一站式采购的工业品商城!具有10年工业用品*商务领域研   究,以强大的*通道建设的优势,以及依托线下贸易交易市场在工业用品行业上游供应链的整合能力,为广大的用户提供了传感器、图尔克传感器、变频器、断路   器、继电器、PLC、工控机、仪器仪表、气缸、五金工具、伺服电机、劳保用品等一系列自动化的工控产品。

衣襟带花 08-06 11:55

隔离开关安装注意事项                    (1)*作隔离开关时,应先检查相应回路的断路器确实在断开位置,以防止带负荷拉、合隔离开关.  (2)线路停、送电时,必须按顺序拉、合隔离开关.停电*作时,必须先拉断路器,后拉线路侧隔离开关,再拉母线侧隔离开关.送电*作顺序与停电顺序相反.这是因为发生误*作时,按上述顺序可缩小事故范围,避免人为使事故扩大到母线.  (3)隔离开关*作时,应有值班人员在现场逐相检查其分、合闸位置、同期情况、触头接触深度等项目,确保隔离开关动作正确、位置正确.  (4)隔离开关一般应在主控室进行*作.当远控电气*作失灵时,可在现场就地进行手动或电动*作,但必须征得站长或技术负责人的许可,并在有现场监督的情况下才能进行.  (5)隔离开关、接地*闸和断路器之间安装有防止误*作的电气、电磁和机构闭锁装置.倒闸*作时,一定要按顺序进行.如果闭锁装置失灵或隔离开关和接地*闸不能正常*作时,必须严格按闭锁的要求条件检查相应的断路器、*闸位置状态,只有核对无误后,才能解除闭锁进行*作

梦未来再见你 08-06 12:03

需要事项如下:  (1)负荷隔离开关的主*片和辅助*片的动作顺序应该是:合闸时辅助*片先闭合,主*片后闭合;分闸时主*片先断开,辅助*片后断开。  (2)开关分闸后,*片张开的距离应符合*厂的要求,如达不到要求时,可改变*作拉杆在扇形板上的位置,或调整拉杆的长度。  (3)在开关的主*片上有一个小塞子,合闸时应正好插入灭弧装置的喷嘴内。*作时喷嘴不应激烈碰撞,否则应处理。  (4)如果安装带有熔断器的负荷开关,安装前应检查熔断器的额定电流是否与设计相符,安装时熔断器管应紧密地插入钳口内。

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