动作值

分析了IGBT驱动块过流保护所存在的问题。提出了一种能精确地设定过流保护临界动作值的方法，并作了详细的介绍。

This article has analyzed the problems which exist in over-current protection of IGBT and pro-posed a method which can set precisely critical operating value for over-current protection .

在中性点非有效接地系统中，允许接触电压为50V（地面），这是确定该装置动作值的主要依据。

In the neutral point effective ground system , the permissible touch voltage is 50 V ( on the ground ) , which serves as the main basis for the determination of the actuation value of the device .

电磁继电器动作值及返回值的自动检测

Automatic Measurement of Movement Value and Return Value of Electromagnetic Relay

电磁式继电器其动作值应测量继电器的冲击动作值。

Electromagnetic relay operating value shall be the impact operating value .

按设计的整定值，检验继电器实际动作值。

Check actual operation value of the relay according to set value .

模拟最高周围空气温度测定电磁式电器动作值

Measuring the operation value of electromagnetic devices in simulated maximum ambient air temperature

一般情况下瞬时动作值只考核上限。

In general conditions , only up limit is taken into account for instantaneous trip .

达系统设定保护动作值，而保护拒动时。

Protective devices are immovable when the protection value set by the system is reached ;

如果你的动作值一百万，但终结能力只值5分钱，那你这人我看也值不了几个钱。

If you 've got a million dollar move and a five-cent finish ... how much are you really worth ?

校核、调整热继电器的设定值，其动作值应符合被保护设备的容量。

Check and commission set value of thermal relay , the operation value shall comply with the capacity of protected equipment .

电流数据采样的离散性和采样初始时刻的不确定性是导致采样瞬时值电流差动保护动作值模糊区产生的根本原因。

The decentralization of sampled value and the uncertainty of sampled time bring forth the action fuzzy area of sampled value current differential protection .

该设计可以根据电网电压的波动调整动作值，从而保证电缆绝缘电阻的动作值不变；

The operating value of earth leakage protection can be changed with the mains voltage , but the operating value of cables insulation resistance is held the line .

由于气体继电器长期运行在高温度、强振动和大磁场的情况下，易造成其工况下降、动作值偏移整定值；且在其接线盒中积存水珠，使得气体继电器误动作。

A long period running , which is easy to create the conditions decline , the action value offset setting value ; and the accumulation of water droplets in the junction box , making the gas relay malfunction .

详细分析了微机保护中外部开关量输入电源使用不当所引起的问题，如安装调试时将外部接点输入光隔动作值设置偏低，制造时外部接点输入光隔动作值偏低等。

The problem caused by the improper use of power supply for the binary input of external contactors is analyzed in detail , such as the action threshold of external contactor OPT is set lower during commissioning or manufacturing .

本文概述了确定接地保护装置动作值的依据，介绍了矿变电所和采场两级选择性接地保护系统和电源中性点经高电阻接地的安全接地系统的设计与应用。

The paper outlines the basis for determining the action values of earthing protective device and describes the design and application of the two-stage selective earthing protective system in both mine 's power station and stope and the safe earthing system with neutral point earthing through high resistance .

传递给动作的值应该是以逗号分隔的值列表。

The value passed to the actions should be comma-delimited lists of values .

计算结果表明，转子偏心故障达到一定程度时，单元件横差不平衡电流会超过保护动作定值，引起单元件横差保护的动作。

The result shows single element transverse differential protection would operate when the eccentricity reach some extent .

本文的目的在于论述与安全有关的漏电保护的两个参数&动作电阻值和动作时间。

This paper is to demonstrate two parameters of earth-leakage protection relevant to safety-value of operating resistance and operating time .

自适应保护能够在线自动识别和诊断故障类型，并自动调整保护动作定值及特性。

Self-adaptive protection is able to identify and diagnose fault type automatically , then adjust fixed value and characteristic of protection .

通过设计模糊规则并确定动作先验值，完成初始模糊导航系统的构建。

Firstly , a initial fuzzy logic navigation system has been constructed by designing fuzzy rules and transcendent value of action .

为保证在降低动作电流值的情况下，保护不失选择性，新设计了基于双整定值的低电压闭锁。

A new low-voltage blocking , which is based on double-setting-value , is designed to ensure the selectivity when reducing the current setting value .

采用浮动门槛、正序电流制动和静稳破坏后提高动作门槛值的方法，来防止系统振荡时误启动。

Measures , such as the floating of threshold , braking by positive sequence current , driving up the threshold during power swing , etc are suggested to prevent the starting element from mal-operating during power swings .

通过对同步锁止机构牙嵌式离合器强度和接合特性的分析研究，确定了牙嵌式离合器允许的最高转速差，从而确定了动作限值的上限。

Through the analysis of the mechanical strength and the engaging characteristics of the dog clutch , the maximum difference of rotation speed between two parts of the dog clutch and hence the upper activation limit of the system are calculated .

对该故障，可通过防止干扰引起的误触发、改变保护动作设定值、增设逆变器起动专用DC/DC升压变换器等措施予以解决。

This paper discusses the mechanism of DC metro train failure , holds that some improvement measures , such as interference prevention , the change of the designed protection value , an increase in the number of inverter and DC / DC booster , shall be taken .

该组件显示由一个动作设置的值组成的表。

This component displays a table of values set by an action .

应用等速测力方法对正常青壮年髋关节运动功能的初步评价&Ⅰ.功能动作力量正常值及有关比值评价的意义

An evaluation for hip function in the adult by isokinetic testing : I

正常成人神经传导远端复合肌肉动作电位参数值正常范围的建立

Establishment of the normative ranges for nerve conduction values of distal compound muscle action potential

检查电磁式继电器的动作、返回值及返回系数应符合产品技术要求。

Check Electromagnetic relay operation , return value and return coefficient shall comply with product technology requirement .

当需要为另一个组件上的某个动作提供静态值时，这个组件比较方便。

This component is handy when you want to provide a static value to an action on another component .

不可把封盖顶部压塌或使其变形，以免动作温度变值或影响其他性能；

The cover shall show no cave-in or deformation resulting in operating temperature variation or bad influence on other performances .