Analysis and improvement of burnt down phenomenon of circuit breaker closing coil and contactor

A fault treatment of closing coil burning of actuator in sf_6 circuit breaker

一起SF6断路器机构合闸线圈烧毁故障的处理

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Fault analysis of and improving measures for field breaker closing coil burning

灭磁开关合闸线圈烧毁的事故分析及改进

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An electronic management display system of grounding status in substation is studied, which is to prevent two kinds of mal-operation of closing grounding-switch and articulating earth-line, sending the electricity by taking electricity with grounding switch and closing earth line.

为防止在变电站中带电合接地刀闸、挂接地线与带电接地刀闸、接地线合闸送电2类误操作事故，研制了一种变电站接地状态电子管理显示系统。

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Through the practice of near shaft-control net at Xinqiao Mine, the optimization of the lay-out of near shaft-net is discussed and the countermeasures for the false closing phenomenon that may exist in the closing line for ranging are proposed.

通过新桥矿业近井点控制网的测设，讨论了近井网布设的优化问题，同时对测距闭合导线有可能存在的伪闭合现象提出了有针对性的对策。

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Analysis and Countermeasure to the Malfunction of Protection during Closing in 10 kV Line

10kV线路合闸时保护误动的分析及对策

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Discussion about choice of the methods of closing circuit line in the 110 kV automatic back-up power supply device

浅谈110kV备自投合闸回路的接线方式选择

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Briefly introduces the lighting requirement of car headlamp, narrates the surveying method of the upper beam, lower beam and group lamp ′ s character, also the train thought of confirming and how to make the light and shade closing line.

简述汽车前照灯的照明要求，叙述了对远光、近光以及灯具组照明特性的测量方法，说明等照度曲线、明暗截止线的判识和制取的思路。

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Anastomotic bleeding occurred in 3 patients and rectovaginal fistula in 2. In the 6 patients who received Hartmann's procedure, the average distance from cutting and closing line to anal verge was 2.8 cm.

吻合口出血3例（3/40,7·5%），直肠阴道瘘2例（2/18,11·1%）。行Hartmann术6例，直肠切割闭合处平均距肛缘2·8cm。

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Generally the component of closing head type is manufactured and deformed by machining after compress.

一般的封头型零件都是冲压成型后再经机加工而成。

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Study and application of key techniques for scheme of river closing by narrow dike with high hydraulic indexes for Jinping Hydropower Station ⅱ

锦屏二级水电站高水力学指标窄戗堤截流方案关键技术研究与应用

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Harmonic suppression, non periodic and non closing in straightness profile error that bring about harmonic component distortion in slide error motion measurement are analyzed in detail.

分析了经典频域三点法测量直行部件运动误差时所存在的谐波抑制，直线度误差的非周期性、非封闭性以及端点不连续而引起的高阶谐波分量失真等方法误差。

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Otherwise, it should be checked from one known point to another with proportional anti-symbol allocation between closing error and the length of side.

否则，应从一已知点出发测至另一已知点以资校核，此时其闭合差应与导线边长成正比反符号进行分配。

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Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.

多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。

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Geometric Meaning of the Formula Used in a Closed Connection Traverse for Computing Closing Error of Azimuth

附合导线方位角闭合差计算公式的几何意义

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The closing error shall meet the requirements of3.2.8.

闭合限差应符合3.2.8条的规定。

provided by jukuu

Below latter should realize the function: The data acquisition, the electric quantity initialization function, opening machine and closing machine function and power failure protection function.

单项智能电表远传抄表系统应实现以下功能：数据采集、电量预置功能，开关机功能和掉电保护功能。

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The leverage of synchronously closing machine is important for multilayer hot-press in forestry industry because its closing precision directly affects product's quality.

杠杆式同时闭合机构是人造板工业中多层热压机的重要装置之一，其闭合精度直接影响到产品质量。

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Display processor loop closing machine, industrial, for bottles, cans and other containers

显示处理机封闭系统工业用封口机，用于封瓶，及其他容器

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The utility model relates to a door opening and closing machine of a swing door.

本实用新型涉及一种平开门开关门机。

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Special industrial sewing machine, bag closing machine.

特种工业缝纫机，封包封袋设备。

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