• 最后结合实例总结了相关保护计算方法

    Setting calculation method of line differential protection and calculation examples are given as well.

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  • 广东省几个地区继电保护定值检查发现问题进行了分析总结

    The problems discovered in relay protection setting inspection in some regions of Guangdong Province are analyzed and summarized.

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  • 针对电网局部变化保护定值影响通过采用窗口技术提高了在线计算速度

    According to the impact of local change of power network on relay setting, by use of window technique the computing speed of on-line setting is quickened.

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  • 采用分布式计算技术研究实现了基于集群计算机保护定值在线校核并行计算方法

    By means of distributed computing technology, a parallel computing method based on the computer cluster for online relay setting check is studied and developed.

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  • 通过可视化方法使用户可以直观进行故障分析结合自己的经验进行保护定值

    By the visual method and experience, users can analyse faults to get the relay setting calculation.

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  • 通过计算及试验指出合理调整弧线系统参数配合可以降低保护定提高运行可靠性

    It is pointed out that the proper adjustment of arc suppression coil and coordination of system parameters may reduce the setting values and improve the running reliability.

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  • 为了清楚描述自适应技术继电保护定值计算管理中发挥作用我们建立一个完整定值计算和系统来进行说明。

    In order to clearly describe action of adaptive technology in relay protective Settings calculation and management, we set up an integrated management system.

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  • 通过编制一整套完整发电厂继电保护定值计算管理系统验证自适应技术在继电保护定值计算和管理中的有效性实用性

    After programming an integrated relay protective Settings calculation and management system for power plant, the validity and practicability of adaptive relay protective Settings theory is proved.

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  • 电流继电器继电保护装置负载电流超过时,继电器动作。

    An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.

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  • 检查保护装置是否正确保护系统投入

    Inspection of the protection device for setting the right values, the protection system inputs.

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  • 结果比较构成保护判据

    The result and fixed value make of protection criterion.

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  • 探讨电力系统线路定值保护实现原理方法

    The principle and methods of transmission line non-setting protection are discussed sufficiently.

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  • 原则正常方式整电流电压目的保证保护可靠性前提下增大瞬时速断保护保护范围

    The new principle calculates current and voltage setting values, which are greater than normal values, to increase protection scope under the condition of assured protection reliability.

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  • 现场运行接地保护误发信号时有发生,一些单位使保护运行可靠从而大幅度提高

    In site operation, stator grounding protection often gives false signal, therefore some units raise the setting value greatly for the dependability of protection.

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  • 确保反应堆安全基础尽量扩大电厂运行区域反应堆停堆保护系统设计以及定值原则

    The principle of reactor trip protection system design and setpoint determination is that power plant operation range should be extended as large as possible on the basis of plant safety guaranteed.

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  • 主要原因锅炉安全阀二次保护回路设计缺陷,再加上安全阀起跳回座运行定值相重叠造成

    The main reasons were due to the defect in the design of safety valve secondary circuit and the overlap of the service rating and the setting for safety valve popping and reseating.

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  • 为了满足通用性要求系统部分设计了通用计算保护录入两个系统。

    The system designs general fixed value calculation system and new relay protection recording system in protection setting part to meet the demand of universality.

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  • 分析轨道交通直流牵引供电系统的直流设备电压框架保护装置轨道电位限制装置时间配合存在的问题及解决办法

    It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.

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  • 文章对此现象进行分析,并提出提高辅机保护建议

    Such problem is investigated and some Suggestions for improving protection set value are proposed.

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  • 同时给出控制器在380V电压调节器样机上试验结果。 试验结果表明:设计TVR控制器能很好实现调压操作、故障保护定值设置显示功能。

    The test results on380V voltage regulator are given, which show that the TVR controller implements well the functions of voltage regulation, fault protection, setting management, display and so on.

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  • 通过适当地选择S采样差动保护电流互感器(TA)饱和的影响具有一的抵御能力,工程实际具有良好应用前景。

    Sampling value differential protection can guard against TA saturation by selecting appropriate value of S, and it has a well application value in engineering.

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  • 阐明地铁直流牵引供电系统电气保护设置重要性,着重论述地铁电气保护设置的主要原则。

    The significance of electrical protection and definite value of DC traction power supply system for metro is illustrated.

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  • 计算书主要设计中的参数短路电流保护的整进行计算

    Calculated book is the parameter, short-circuit current and protective to worth surely to carry out calculation.

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  • 介绍ABB公司励磁系统限制分析北京热电分公司1发电机进相运行时的动作情况以及ABB励磁系统低励限制失磁保护之间的关系。

    In this paper, the author introduced the fixed value setting of underexcited limitation in ABB excitation system. And also analyzed the condensive operation of No. 1 generating unit.

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  • 高中系统,充电保护电流躲过最小运行方式故障电流整要求瞬时动作

    In high-middle voltage power system, the current setting of the charge-protection always bases on the fault current in the minimal operation mode, and the break should be snapped action.

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  • 四边形方向圆特性阻抗继电器躲线路最大潮流能力进行了详细分析,提出了距离保护负荷限制电阻原则和整方法给出了整建议

    It puts forward the setting principle and method of load limiting resistor of backup distance protection and gives the propositional setting value of load limiting resistor.

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  • 分析了比率制动式发电机纵保护制动特性计算不同比率制动特性的定值曲线对应等效闭锁

    The restrained characteristic of ratio differential protection is analyzed. The equal block angle for the ratio differential protection is calculated.

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  • 断路器短路保护特性不可示。

    Short-circuit protective characteristics of HFB-150 can not be adjusted. Its setting values are listed in the following table.

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  • 断路器短路保护特性不可示。

    Short-circuit protective characteristics of HFB-150 can not be adjusted. Its setting values are listed in the following table.

    youdao

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