ABB C87-11006 使用范围

产品标题：ABB C87-11006 电源数字量控制卡

型号：ABB C87-11006 

品牌：ABB

质保：七天验收期，质保期一年
发货期：1-3个工作日

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产品详情资料

 变化，通过不同跨度长度的线路的平均张力
和加载。整个部分将作为一个整体对负载和温度变化作出反应
跨度此单跨称为主导跨或等效跨。在本标准中，平均值
span用作刻线span的近似值。
4.6张力当电线/导线锚定在支架上时，保持其远离地面a
导线/导体中产生的力会将支架拉向一个方向
另.4.7极限强度
极限强度是指当载荷为
逐渐增加，直到发生破裂或失效，例如ACSR
导线极限强度将随着负荷的逐渐增加，直到铝绞线
断裂。4.8垂度垂度是连接支撑点的线下方导线的垂直距离。这个
该术语通常是指水平跨度上的大垂度出现在跨度中间。
4.8.1初始空载弧垂
初始空载垂度或架线垂度是指在应用
外部负载。
4.8.2终空载弧垂
它是指钢丝在承受适当的大负荷后的垂度
期间，然后卸下负载。
4.9横向荷载
 ut the line of varying span lengths with changes in temperature
and loading. The section as a whole will react to load and temperature changes as a single
span. This single span is referred to as ruling or equivalent span. In this standard the average
span is used as an approximation for ruling span.
4.6 TensionWhen a wire / conductor is anchored at supports which keep it clear above the ground a
force is generated in the wire / conductor which tends to pull the supports towards one
another.4.7 Ultimate Strength
Ultimate strength is the maximum load which a material will sustain when the load is
gradually increased until the rupture or failure takes place, for example in case of ACSR
conductor ultimate strength will be the load gradually increased until the Aluminum strands
rupture.4.8 SagSag is the vertical distance of the conductor below the line joining the points of support. The
term usually refers to the maximum sag which on a level span occurs at mid-span.
4.8.1 Initial unloaded sag
Initial unloaded sag or stringing sag means the sag of a wire prior to the application of an
external load.
4.8.2 Final unloaded sag
It means the sag of wire after it has been subject to its maximum loading for an appropriate
period and then the load removed.
4. 

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