但是有一个故障:电流超限,电源板无法工作,造成饥饿的食客瞬间恐慌。
But there's a hitch: the electrical circuit has overloaded, and the power strip isn't working, causing momentary panic among the hungry diners.
短路电流限制技术已成为故障保护的一个研究热点。
The fault current limiting technology has become a hotspot of fault protect research.
根据我们的经验,可能是电流转换时的发生故障。
Based on our experience, it might be a malfunction in the current converter.
对系统总体设计方案进行了研究分析,硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
在大功率晶体管逆变器——电动机驱动系统中,它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制,而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
本程序应用多端口网络方程和故障端口边界方程联立求解的方法,计算电力系统各种多重故障及任意不对称运行的电压和电流。
In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.
由于CMOS集成电路中的故障和制造缺陷是多种多样的,其中有些故障既不能被电压测试也不能被稳态电流测试方法检测出来。
Due to the diversity of the faults and manufacturing defects in CMOS IC, some of the faults can neither be defected by voltage test nor by IDDQ test.
动态电流监测器能瞬时反映出负载跳变状态,更容易判断手机板的故障部份。
Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily.
利用线模电流的小波变换系数进行测距,不仅不受故障电阻的影响,也不受故障起始角的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
由于电力系统容量和并网规模的扩大,导致系统故障电流迅速增加。
The increase of electric power and growing transmission networks leads to very high short circuit currents.
将提取的暂态零序电流故障特征作为条件属性,信号增强倍数作为决策属性,构成一个决策系统。
The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.
通过比较两者平均动态电流的大小,我们能够区分出故障电路和无故障电路。
By comparing the average transient power supply currents, we could distinguish a fault circuit from a fault free circuit.
提出了一种基于网格分形和自适应形态滤波器识别励磁涌流与内部故障电流的新方法。
Based on grille fractal and self-adaptive morphological filter, a novel approach to identify inrush current and internal fault current is presented.
该电阻器的阻值要保证被测装置发生故障时的短路电流不会超过开关卡上任一组继电器的最大电流指标。
The value of this resistor is chosen such that, in the event of device failure, the short circuit current will not exceed the maximum current specification of the relays on either set of switch cards.
为降低大容量输电系统的短路电流水平,提出一种基于饱和电抗器的串联谐振式故障限流器。
With a view to reducing the short circuit current level of large capacity transmission systems, an in-series resonant type FCL based on saturated inductor is presented.
因此,小电流接地系统线路故障的快速自动定位对于提高供电可靠性、减少停电损失具有重要的意义。
Therefore, locating fault position fastly and automatically is significant to improve the power supply reliability and reduce the outage loss.
经改进控制回路后有效根除了真空泵电流波动的故障。
The trouble of fluctuating current for vacuum pump has thoroughly been removed through an improvement of controlled circuit.
针对集成电路测试中模拟和混合电路的测试问题,提出了一种基于小波分析的电流测试实现混合信号电路故障诊断的方法。
How to test the analogue and mixed-signal circuits has become very critical to the IC testing, a novel fault diagnosis method based on current testing is proposed for mixed-signal circuits.
防止大的短路电流烧伤故障点。
该文简要分析了在现场接线中存在的几种常见的保护死区故障,即:各类断路器与断路器电流互感器之间的死区故障。
In this paper, several common protection dead-zones that exist in the spot connection are analyzed briefly, including faults between circuit breakers and ct of circuit breaker.
通过分析产生电流越限和电缆故障的各种原因,画出报警设计的逻辑图。
It shows the logic diagram of alarm design by analyzing reasons of current spillage and cable malfunction.
然后在线路首端注入电流,通过探测器检验几个分支上是否有电流流过,检测到电流的即为故障点所在的分支。
After injecting current into the head of line, the detector can check whether these branches flow current, the fault branch is that the current has flowed.
本文对变频器的过电流跳闸和过载跳闸的故障原因进行了分析,并介绍了如何判断的具体方法。
This paper analyzed the reason of trip for over current and overload in VVVF. And introduced how to determine on these fault.
介绍了利用故障电压和故障电流计算故障回路电抗值的电抗法故障点定位的原理。
The theory of fault locating by calculating the reactance of feeder line with measured fault current and voltage is introduced.
介绍一种小电流接地故障监测系统的构成、工作原理及现场应用情况。
The structure, work principle and field application of a monitoring system for earth fault in non-solidly earthed network are presented.
瞬态电流测试可以检测一些用电压测试和稳态电流测试不能检测的故障。
Dynamic current testing can detect some faults that cannot be detected by voltage based test method and quiescent current test method.
提出了在异步电动机供电不平衡的情况下平衡相间电流的方法,给出了晶闸管故障检测的方法。
Ways of balancing the phase current of an induction motor operating with unbalanced supply and fault diagnostics of the thyristors are discussed.
为了限制逆变器桥臂直通短路时故障电流的上升率,可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
为了限制逆变器桥臂直通短路时故障电流的上升率,可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
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