查询词典 open circuit

First , measure the open circuit voltage and short circuit current to get the current system impedance, then force the apparent load impedance to match it to make the solar system working on maximum power point.

而如何有效的取得太阳电池的开路电压及短路电流，以便正确计算出太阳电池的内部阻抗则为本论文研究重点。

We use the single chip PIC18F452, as the center control circuit, and through the measurement of open circuit voltage and short circuit current to get the current system impedance, then force the apparent load impedance to match it to make the solar system working on maximum power point.

本论文使用阻抗匹配法的最大功率点追踪技术，将能有效预知下次的最大功率点位置，使系统维持工作在最大功率点上，达到最大功率输出的目的。

The voltage wave of open circuit is 1.2/50 μs and the current wave of short circuit is 8/20 μs , which are generated by the combination wave generator through calculating and simulating circuit parameters.

通过计算回路参数及仿真，此组合波发生器能够产生1.2/50μs 的开路电压波和8/20 μs 的短路电流波。

is applied to construct the three-dimension model for finite element analysis. Short circuit and open circuit of the field winding and the teeth and slots structure of the rotor are discussed. An appropriate three-dimensional mesh is made. The corner point problem of conductor is eliminated. Furthermore, a new memory structure for sparse complex matrix and a PCCG method based on it are introduced to save memory and computation time.

在汽轮发电机失磁异步运行转子三维涡流场数值计算模型中，应用了〓法建立了三维有限元计算模型，考虑了转子绕组的开、短路状态及转子齿槽结构，形成了合适的三维剖分网格，解决了三维电磁场有限元计算中角点奇异的问题，创立了一种新的稀疏矩阵的存储格式以及基于该格式的预处理复数共轭梯度法从而减少内存开销和加快了求解速度。

The objective of the thesis is to present newly developed AC driver and protection circuits for light emitting diode. The LED modules for each upper and low arm are with pulse-width modulation control in every half fundamental cycle. The indication and protection circuits act whenever short circuit and open circuit of LED module occur. Moreover, the current path is switched off when there is a short circuit of LED module.

目前一般白光发光二极体的驱动器，皆是使用直流电源驱动，本文利用发光二极体本身单向导通的特性，将发光二极体串接成桥式整流器的方式，只需控制流经中间路径的电流周期，就可达到调整发光二极体亮度之目的，并且增加发光二极体故障时的保护指示电路。

Finally, the experiment of detection of short circuit and open circuit of many kinds of cables are performed.

论文最后给出了对多种电缆进行短路、断路故障测试的实验的情况。

It has both open circuit and close circuit instructions.

它不仅具有开环指令，还具有闭环指令。

During the whole short-circuit depolarization process, the centers of positive charges and negative charges in the sample shifted to their nearer electrodes, respectively, whereas behaviors different from the short-circuit depolarization were seen in the later stage of the open-circuit depolarization, that is, the positive charges captured in the deep surface layer traps were detrapped and shifted to the rearer electrode.

在整个短路退极化过程中，试样中正、负电荷的中心分别向距它们较近的电极迁移，而在开路退极后期则表现为与短路时不同的行为、被表层深陷阱再俘获的电荷脱阱后向背电极迁移。

Model PMG series high efficient ball mill have been designed with the merits of open circuit grinding system and important renovations on traditional ball mills. Besides they have all the good advantages of open circuit mills, production capacity has been raised substantially, product becomes super fine and blains have been increased. It has provided a new type of grinding equipment for producing high strength grade cement with high output and super finess.

PMG 型系列高效球磨机是在开流粉磨系统所具有的优缺点中扬长避短而设计的高效球磨机，对传统的球磨机做了重大的改进，除具有开流粉磨系统一切优点之外，与同规格的球磨机相比， PMG 型系列高效球磨机产量有了大幅度的提高，且粉细、比表面积增大，实现高产、高细，为生产高标号水泥提供了一种新型的粉磨设备。

Adopting multiplexing technique and making use of communication line between CSC and CS to achieve simultaneous transmission of ISDN signal and electric power. According to the variation of circuit equivalent resistance to design detection circuit, which can judge that the line is short circuit or open circuit and the commercial power is working normally or failure. When the reserve power supply is working, the system judges its operation status by voltage and current detection circuit. Making use of the characteristic of the gas discharge tube to achieve suspension system detection of power line touching. Transmitting information collected up to PC by RS485 for the purpose of centralized monitoring.

采用复用技术，利用基站控制器和基站间的通信线路实现ISDN信号和电力的共同传输；根据线路等效电阻的变化设计探测电路，来判断开路、短路、市电供电、市电停电等情况；在后备电源工作时，通过电压、电流采样电路判断电源的运行情况；利用气体放电管的特性实现悬浮系统动力线搭接的检测；采用RS-485通信方式将采集到的现场信息上传以实现集中监控。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。