PM511V08 3BSE011180R1使用范围

产品标题：PM511V08 3BSE011180R1电源数字量控制卡

型号：PM511V08 3BSE011180R1

品牌：ABB

质保：七天验收期，质保期一年
发货期：1-3个工作日

产品图片展示

产品详情资料

SEC配电施工标准
日期：2004年10月G第9页，共304.10页纵向荷载纵向荷载是由于导线张力产生的不平衡拉力。
端子和截面结构设计用于断线条件。4.11垂直荷载支撑、横担、绝缘子、配件、导线紧固件和
基础应为其自身重量加上其支撑的附加重量
包括所有导线和拉线。拉线中大张力的垂直分量
也应包括在垂直荷载中。
4.12铺设方向
导线扎带的铺设方向必须与
所应用的导体。
5路线测量
确定短正确线路路线的测量是首要需要。任何
现场或办公室工作中可能未被发现的错误将导致额外支出
在线路施工的后期。调查时应格外小心，
在不超过4km的路段进行中压线路剖面的平整和绘制。一
相邻路段之间应重叠0.5km。如果是复合线，
低压线的剖面也应与中压线的剖面一起绘制。为了经济施工，应选择短可行的路线。提出更多建议
应避免角度位置。线路路线尽可能沿着道路，
运输轨道和街道，以便线路易于施工，
检查、巡视和维护。
应考虑规划地点和其他预期的未来发展。
应仔细调查，以获得人口、其他公用设施、树木、，
河道和任何其他障碍物。该数据可以由其他信息补充，如
可从市政当局、公路管理局和公用事业记录中获取。
应避免靠近化工厂和污染区的路线，因为
绝缘子闪络SEC DISTRIBUTION CONSTRUCTION STANDARD
DATE: October 2004GPage 9 of 304.10 Longitudinal LoadingLongitudinal loading is the resultant unbalanced pull due to the tensions in the conductor.
Terminal and section structures are designed for broken wire conditions.4.11 Vertical LoadingVertical loads upon supports, crossarms, insulators, fittings, conductor fastenings and the
foundations shall be their own weight plus super imposed weight which they support
including all conductors and stays. Vertical component of the maximum tension in stays
shall also be included in vertical loading.
4.12 Lay Direction
The lay direction of the conductor tie must be the same as that of the outer layer of the
conductor to which it is applied.
5 ROUTE SURVEY
Survey for ascertaining the shortest correct possible route of line is the primary need. Any
mistake in the field or office work which may pass undetected shall cause extra expenditure
at an advanced stage during construction of the line. Utmost care should be taken in survey,
leveling and plotting the profile of the MV line route in sections of not more than 4km. An
overlap of 0.5km shall be provided between adjacent sections. In case of composite lines,
the profile of LV line should also be plotted with that of MV line.For economical construction the shortest practicable route be selected. Proposing more
angle positions should be avoided. As far as possible the line route be along the roads,
transport tracks and streets so that the line should be readily accessible for construction,
inspection, patrolling and maintenance.
Planned sites and other expected future developments be taken into consideration.
Careful survey should be made to obtain accurate data of population, other utilities, trees,
wadis and any other obstructions. This data can be supplemented by other information as
available from Municipality, Highway Authorities and Utilities record.
Route near to Chemical plants and Pollution areas should be avoided due to the likelihood of
insulator flash ove

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专注于DCS、PLC、机器人控制系统、大型伺服四大系统领域。

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