The necessity of installing the residual current fire alarm system was analyzed.
分析了设置剩余电流火灾报警系统的必要性。
The particle track technology is applied to establish the three-dimensional Lagrangian residual current model.
利用标识质点跟踪技术,建立了三维拉格朗日余流模型。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电,必须加装剩余电流动作保护装置。
This paper compared and analyzed right and wrong practices of residual current protective devices in the selection and installation, etc., some considerations in application are proposed.
该文对剩余电流保护器在选型和安装等方面,进行正确与错误做法的对比分析,提出应用中几点注意事项。
The influences of climate, residual current, life and reliability are the major problems existing in the practical uses of oxygen sensors, and here we have different solutions for each of them.
电化学氧传感器在其实际应用中存在着气候影响、残余电流以及寿命与可靠性等问题,针对这些具体问题,人们也在实际运用中采取了不同的方法加以解决。
The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
结果表明:由于焊接电流过大,使焊缝产生淬火马氏体组织及较大的焊接残余应力,导致镀锌氢脆敏感性增加,造成吸油盘发生氢脆开裂。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
文中详细论述了剩余电流动作保护装置的参数选用,安装要求,低压电网接地方式及安装施工要求等。
Field test results and application experience show that thyristor-controlled arc-suppression coils are of quick response, small residual current and good service effects.
现场试验结果及使用经验表明,晶闸管调节消弧线圈响应速度快、残流小,实际运用效果良好。
The IDB 2 type residual current operated protection tester was introduced.
介绍了IDB2型剩余电流动作保护测试仪。
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
Near the critical point of the RLC-circuit, the residual voltage waveform changes form non-oscillating attenuation mode to distinct across zero oscillating mode when the peak current increases.
在RLC回路临界点附近,随着冲击电流峰值的增大,残压波波尾从非振荡衰减过渡到大幅度的过零振荡;
The structure of the membrane electrode for the dissolved oxygen meter has been studied and improved to obtain more rapid response and suppress the residual current.
本文研究和改进了溶解氧测定仪膜电极的结构,提高了测定的响应速度,减小了残余电流。
Aiming at the installation necessity of residual current fire alarm control system in building, the residual current fire alarm control system based on CAN bus was designed.
针对在建筑内安装剩余电流火灾报警控制系统的必要性,设计了基于CAN总线的剩余电流火灾报警控制系统。
The counteracted current by going through the notch filter based on adaptive filter technique is proposed to eliminate the residual fundamental wave and its harmonic wave.
文中提出,背景电流抵消后让信号通过基于自适应滤波技术的陷波器,可去除背景中残留的基波及谐波电流的影响。
Residual strength of current status of damages is estimated in good time, and emergency schedules can be taken suitably.
在船舶营运中应用,可以对当前破损状态及时地估算出其剩余强度,从而采取合适的相应应急措施。
The reduction of the residual current of the ground-fault point is beneficial to the extinction of the grounding arc and to the reduction of the intermittent arc grounding over voltage.
减小接地故障点的残流有利于接地电弧的瞬间熄灭及降低间歇性电弧接地过电压。
A case study shows that the are suppression coil with non-linear V-I characteristics will seriously affect the grounding residual current during high resistive grounding fault.
以实例分析出伏安特性非线性的消弧线圈将严重影响高阻接地时的接地残流。
The differences and relation between the residual current monitor, residual current operated circuit breaker and residual current operated protective relay were introduced.
介绍了剩余电流监视器与剩余电流断路器、剩余电流继电器的区别和联系。
It also designs and develops the parameters of residual current collection, as well as other show and control circuits.
其次进行了剩余电流等数据信息的采集,以及其它显示、控制电路的设计。
The residual dollar value of a futures, option, or leverage trading account, assuming it was liquidated at current prices.
一个期货、期权或以保证金形式交易的账户在假设以目前的市场价格平仓后以货币形式计算的账户余额。
Putting the three-phase lines and middle line of the electrical circuit through the zero current transformer, the residual current signal will be converted into the voltage signal.
将电气线路的三相线及中线通过零式电流互感器后,零式电流互感器会把剩余电流信号转换为电压信号。
Establish the fuzzy set based on modulus component, three phases and residual current, which can distinguishing unbalance faults from power swing rapidly and reliably.
建立了基于模分量大小和三相及零序电流大小的模糊数学模型,能快速准确的识别振荡中发生的不对称故障。
Several different protection ways for earth fault are introduced and discussed from earth-fault protection, zero-sequence protection, residual current protection and other aspects.
介绍了接地故障保护的几种不同方式,从接地故障保护、零序电流保护、剩余电流保护等方面进行了论述,指出只有与等电位联结相结合,才能完善保护作。
A mumerical model of tidal current in the offshore area of Laizhou is constructed, and a Lagrange residual model is constructed on its basis.
建立莱州市近岸海域潮流数值模型,并在此基础上建立了拉格朗日余流模型。
With an increase of the frequency and temperature, the eddy current loss and residual loss contributed to the total loss at the low induction.
随着频率的升高,即使在磁感应强度较低时,涡流损耗和剩余损耗的影响不容忽视,且两者都随温度的升高而升高。
The standards and application scopes of residual current alarming system were introduced. The causes that electrical current induced fire were put forth.
介绍了剩余电流火灾报警系统的相关规范及适用范围,阐述了剩余电流引起火灾的原因。
The residual vibration fatigue life of TC4 plate blade subjected to Foreign Object Damaged (FOD) is investigated by means of eddy current excited vibration fatigue tests.
采用电磁涡流激振的振动疲劳试验,对TC4材料制成的平板叶片受外物损伤后的剩余振动疲劳寿命进行了研究。
Submersible pump in order to prevent the work in the underwater leakage accidents caused by electric shock should be equipped with residual current protection switches.
为防止潜水泵在水下工作时漏电而引发触电事故,应装有漏电保护开关。
Submersible pump in order to prevent the work in the underwater leakage accidents caused by electric shock should be equipped with residual current protection switches.
为防止潜水泵在水下工作时漏电而引发触电事故,应装有漏电保护开关。
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